LG Laptop Motherboard Schematic Diagram

58
www.laptop-schematics.com LCD CONN PAGE18 CRT CONN VCC_VID USBPWR(5V) USBPWR(5V) FSB 100MHz IDE-P VCC5B_CRT AC’97 INTERFACE RS200M INTB# H8 DIMM CONN. REAR PAGE30 PAGE 4-7 PCI_REQ0#/PCI_GNT0# PCI_REQ2#/PCI_GNT2# AVCC5 PAGE 40 PAGE37 AMP MONO INTC# PIO VCC3M page28 FIXED BAY ADM1032ARM 3.3V SPEAKER PAGE47 VCC1_8B(CORE) VCC2_5A(MEMORY) DDR 133MHz 5V CODEC USB1 DDR TWO VCC2.5A MAX6510 (SECONDARY) AC’97 RTC BCM5901 THERMAL PAGE13-15 VCC_LCD(3.3V) VCC3B,VCC2_5B,VCC1_8B PAGE 1- 3 PAGE 40 page30 PAGE41 PAGE38 HDD PAGE31 3.3V FLASH PCI1510 PAGE16 AD22 PAGE17 SIDE RJ45 VCC3B,VCC3M BLOCK DIAGRAM PAGE36 CD,DVD,COMBO ISA VCC5B VCC5B,VCC5M_1535 VCC3AUX VCC3AUX,LAN1.2V,LAN2.5V ATA INTERFACE POWER S/W PAGE25 PCI INTERFACE 3.3V 33MHZ VCC5B M1535+ CONN. (PRIMARY) PAGE41 INT_MIC ROM 12V VCC5M_1535 PAGE21 FAN CONN VCC5B INTEL P4P-M PAGE45 AMPVCC(5V) PAGE22 PAGE34 CPU_COREVCC TRACK POINTER 5V PAGE9-10 VOLUME S/W page27 LPC VCC3B, 33MHz VCC5B AUDIO USB0 SENSOR PAGE24 CDC VCCSW,VCC5_H8 AD23 INT. KBD CPU_COREVCC EEPROM ATA INTERFACE IDE-S VCC5B CARD BUS PAGE37 www.laptop-schematics.com

Transcript of LG Laptop Motherboard Schematic Diagram

Page 1: LG Laptop Motherboard Schematic Diagram

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.com

LCD CONN

PAGE18

CRT CONN

VCC_VID

USBPWR(5V)

USBPWR(5V)

FSB 100MHz

IDE-P

VCC5B_CRT

AC’97 INTERFACE

RS200M

INTB#

H8

DIMM CONN.

REAR

PAGE30

PAGE 4-7

PCI_REQ0#/PCI_GNT0# PCI_REQ2#/PCI_GNT2#

AVCC5

PAGE 40

PAGE37

AMPMONO

INTC#

PIO

VCC3M

page28

FIXED BAY

ADM1032ARM

3.3V

SPEAKER

PAGE47

VCC1_8B(CORE)VCC2_5A(MEMORY)

DDR 133MHz

5V

CODEC

USB1

DDR TWO

VCC2.5A

MAX6510

(SECONDARY)

AC’97

RTC

BCM5901

THERMAL

PAGE13-15

VCC_LCD(3.3V)

VCC3B,VCC2_5B,VCC1_8B

PAGE 1- 3PAGE 40

page30

PAGE41

PAGE38

HDD

PAGE31

3.3V

FLASH

PCI1510

PAGE16

AD22

PAGE17

SIDE

RJ45

VCC3B,VCC3M

BLOCK DIAGRAM

PAGE36

CD,DVD,COMBO

ISA VCC5B

VCC5B,VCC5M_1535

VCC3AUX

VCC3AUX,LAN1.2V,LAN2.5V

ATA INTERFACE

POWER S/W

PAGE25

PCI INTERFACE 3.3V 33MHZ

VCC5B

M1535+

CONN.

(PRIMARY)

PAGE41

INT_MIC

ROM

12V

VCC5M_1535

PAGE21

FAN CONN

VCC5B

INTEL P4P-M

PAGE45

AMPVCC(5V)

PAGE22

PAGE34

CPU_COREVCC

TRACK POINTER

5V

PAGE9-10

VOLUME S/W

page27

LPC VCC3B, 33MHz

VCC5B

AUDIO

USB0

SENSOR

PAGE24

CDC

VCCSW,VCC5_H8

AD23

INT. KBD

CPU_COREVCC

EEPROM

ATA INTERFACE

IDE-S

VCC5B

CARD BUS

PAGE37

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Page 2: LG Laptop Motherboard Schematic Diagram

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ADDRESS LINES

CONTROL

DATA LINES

PART1/3

2 3 4 5 6

A

B

C

D

A

B

C

D

R576 should be placed near PinH6 within 0.5inch.

R589 should be placed near PinAB25 within 0.5inch.

1 2 3 4 5 6

1

30

124

124

24 25

41

0

36

124

345354

124

19

4 12

12

20

3

0

29

56

4 12

TP4573TP4587

1%

51

R576

F4

RSP#AB2

Y3TESTHI10

TESTHI8U6

TESTHI9W4

J6TRDY#

33

124

TP4588

P23

W23DSTBP3#

F3HIT#HITM#

E3

IERR#AC3

W5INIT#

LOCK#G4

V6MCERR#

REQ0#J1K5

REQ1#REQ2#

J4J3

REQ3#REQ4#

H3

AB25RESET#

RS0#F1G5

RS1#RS2#

DBI1#DBI2#

P26V21

DBI3#

DBSY#H5

DEFER#E2

DP0#J26K25

DP1#DP2#

K26L25

DP3#

H2DRDY#

E22DSTBN0#

DSTBN1#K22

R22DSTBN2#

DSTBN3#W22

DSTBP0#F21

J23DSTBP1#

DSTBP2#

D53#

D54#

V24

W26

D55#

D56#

Y26

W25

D57#

D58#

Y23

Y24

D59#

B24D6#

D60#

Y21

AA25

D61#

D62#

AA22

AA24

D63#

D7#C23C24

D8#D9#

B25

DBI0#E21G25

N25

C21D4#

R21

D40#

D41#

P24

R25

D42#

D43#

R24

T26

D44#

D45#

T25

T22

D46#

D47#

T23

D48#

U26

U24

D49#

D5#D22

D50#

U23

V25

D51#

D52#

U21

V22

D24#D25#

G26H24

D26#D27#

M21L22

D28#D29#

J24

D3#A25

K23D30#D31#

H25

M23

D32#

D33#

N22

P21

D34#

D35#

M24

N23

D36#

D37#

M26

N26

D38#

D39#

B22

G22D10#D11#

H21C26

D12#D13#

D23J21

D14#D15#

D25H22

D16#D17#

E24G23

D18#D19#

F23

A23D2#

F24D20#D21#

E25F26

D22#D23#

D26L21

K4L6

A5#

A6#

K1L3

A7#

A8#

M6L2

A9#

ADS#G1

ADSTB0#L5R5

ADSTB1#

AC1AP0#AP1#

V5AA3

BINIT#G2

BNR#BPRI#

D2

H6BR0#

B21D0#D1#

A21#

A22#

T2U1

A23#

A24#

P6U3

A25#

A26#

T4V2

A27#

A28#

R6W1

A29#

K2

A3#

A30#

T5U4

A31#

A32#

V3W2

A33#

A34#

Y1AB1

A35#

A4#

A10#

M3M4

A11#

A12#

N1M1

A13#

A14#

N2N4

A15#

A16#

N5T1

A17#

A18#

R2P3

A19#

A20#

P4R3

3844

7

37

8

NORTHWOOD

U5

4

48

R596 49.91%

51

124

2

2 12 13

4 26

4

5

124

58 52

17

50

4

R598 56

124

39

4

6

29

4 12

4046

11

12

32

22

1

16

CPU_COREVCC

124

61

12

3

2

20

49

10

27

R589

51.1

1%

62

2311

4 12

18

14

15

57

18

45

3

28

124

10

124

8

31

28

124

30

47

124

124

59

16

21

55

27

9

9

4 12

3 14

23

1

6

63

13

124

124

7

2

17

124

124

22

4 1225

42

4 12

5

21

1

24

13

60 35

26

0

15

31

19

HD#(0:63)

H_REQ#(0:4)

H_DBSY#

12

CPU_COREVCC

124

43

124

H_DSTBP2#H_DSTBN2#

H_DSTBP3#H_DSTBN3#

IERR#

H_BNR#

H_DRDY#H_DEFER#

H_BPRI#

H_LOCK#

H_TRDY#

H_RS2#H_RS1#H_RS0#

H_DSTBP1#H_DSTBN1#

CPU_INIT#

H_BREQ0#

HA#(3:31)

H_ADS#

DBI#(0:3)

H_ADSTB0#H_ADSTB1#

H_DSTBP0#H_DSTBN0#

H_HIT#H_HITM#

CPURESET#

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Page 3: LG Laptop Motherboard Schematic Diagram

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PART2/3

HOST CLK

C

2

D

Locate close to CPU

51 3

Placement : 3" from CPU (Max)

Place near PinAA26 within 1.5inch.

6

1 2

1

3 54

4

A

B

C

D

A

B

2 572 57

2

C637

33uF2

200R569

2

1% R61351

232

2 15

2 13

TP4931

200R564

R584

1%

100

FI-B2012-4724.7uHL518

57

1% 49.9R607

2

F17

VCC83

F19

VCC84

F9

VCC85

VCC9

AA12

VCCAAD20

VCCIOPLLAE23

A5VCCSENSE

VCCVIDAF4

AE5VID0

AE4VID1VID2

AE3AE2

VID3VID4

AE1

VSSAAD22

A4VSSSENSE

2

VCC69

D17

A8

VCC7

D19

VCC70

VCC71

D7

D9

VCC72

VCC73

E10

E12

VCC74

VCC75

E14

E16

VCC76

VCC77

E18

E20

VCC78

E8

VCC79

AA10

VCC8

VCC80

F11

F13

VCC81

VCC82

F15

B15VCC54

B17VCC55

B19VCC56VCC57

B7B9

VCC58VCC59

C10

A20

VCC6

C12VCC60VCC61

C14C16

VCC62VCC63

C18

C8

VCC64

VCC65

C20

D11

VCC66

VCC67

D13

D15

VCC68

A16

VCC4

VCC40AE6

VCC41AE8AF11

VCC42VCC43

AF13AF15

VCC44AF17

VCC45VCC46

AF19AF2

VCC47VCC48

AF21AF5

VCC49

VCC5

A18

VCC50AF7AF9

VCC51VCC52

B11

VCC53B13

VCC25AC18

VCC26AC8

VCC27AD11AD13

VCC28VCC29

AD15

VCC3

A14

AD17VCC30VCC31

AD19AD7

VCC32VCC33

AD9AE10

VCC34VCC35

AE12AE14

VCC36VCC37

AE16AE18

VCC38VCC39

AE20

AA14

VCC10

AA16

VCC11

AA18

VCC12

VCC13

AA8

AB11

VCC14

VCC15

AB13

AB15

VCC16

VCC17

AB17

AB19

VCC18

VCC19

AB7

A12

VCC2

AB9

VCC20

VCC21

AC10

AC12VCC22VCC23

AC14AC16

VCC24

Y4STPCLK#

D4TCK

C1TDITDO

D5

TESTHI0AD24

TESTHI1AA2AC21

TESTHI2TESTHI3

AC20AC24

TESTHI4TESTHI5

AC23

B3THRMDA

C4THRMDCTHRMTRIP#

A2

F7TMS

TRST#E6

VCC1

A10

ITP_CLK1AD26

D1LINT0_INTR

E5LINT1_NMI

C3PROCHOT#PWRGOOD

AB23

RSVD0A22

RSVD1AD2

RSVD2AD3

AF3RSVD3

AF24RSVD4

RSVD5AF25

RSVD6AE21

A7RSVD7

SKTOCC#AF26

SLP#AB26

SMI#B5

AD6BSEL0BSEL1

AD5

L24COMP0COMP1

P1

DBR#AE25AD25

DPSLP#

B6FERR#

A6GHI#

F20GTLREF0

AA21GTLREF1

F6GTLREF2

AA6GTLREF3

IGNNE#B2

ITPCLKOUT0AA20AB22

ITPCLKOUT1

AC26ITP_CLK0

U5

A20M#C6

AF22BCLK0

AF23BCLK1

BPM0#AC6AB5

BPM1#BPM2#

AC4BPM3#

Y6AA5

BPM4#BPM5#

AB4

BC848A

Q504

23

1

NORTHWOOD2

300R606

R602

572

CPU_COREVCC

2 15

132

R597

1K

75 R562

15 45

49.91%

15

CPU_COREVCC

R572 200

3

1

TP4947

TP4948

VCC3B

2

200R567

KRC103S-T1(NC)22-22

Q222K

22K

*

2

572

22

TP4944

2

2

1K

R612

1uF

C647

2

TP4444

2

2 13

1K

R614

2 40

R43 300

2

VCC3B

56

R5422 7

200R610

R599 200

2

*

2

R533

470

2 13

CPU_COREVCC

152

2

49.9

R581

1%

13

TP4930

232

R561 56

2 15

2 57

220pF

C651

*

2

51 R6081%

R563 200

2

1% 51.1R582

1%

R593 200

13

2 23

2

2132 13

39 R559

TP4466

2

2

2 15

2

1K

R595

TP4932

TP4933

152

2 40

1322

TP4949

TP4950

TP4943

152

TP4945

TP4946

TP4383

2 402 40

152

51.11%R575

150 R568

4.7uHFI-B2012-472

L517

Q505

BC848A2

3

1

TP4384

1% R59151

2

132

2

1 12 13

CPU_COREVCC

132132

572572 2

2

2

2 57

TP4938

22

152

2

TP4929

TP5846

TP5847

2

VCC_VID

TP4926

TP4927

2 7

R6111%

C664

220pF

CPU_COREVCC

300

R534

51

40

2 57

TP4941

TP4934

572

2 7

2 40

TP5849

TP5851

2

2

2

TP4923

TP4924

TP4928

CPU_COREVCC

TP4935

TP4936

2 7

TP4939

TP4940

TP4942

5722 57

200R594

680

132

2 57

2

152

2 40

1K

152

TP4468

R560

2

152

2 72 7

572

R609

TP5850

2

TP4925

TP5852

R566 56

TP5848

TP5845

R605150 *

1 2

TP6083

TP4952

TP4951

2

2 72 7

SN74AHC14

U513

VCC=VCC3B, GROUND=GROUND

1% R56527.4

152

TP4920

TP4921

TP4922

33uF

C6452

1

TP4919

152

132

2 13

VCC_VID

470R541

CPUCLK_ITP#

CPU_TDOCPU_TMS

CPU_TRST#

TP4937

TP4465

PM_CPUPERF#THERM_ATHERM_C

CPU_THRMTRIP#CPU_BPM5#CPU_BPM4#CPU_BPM1#CPU_BPM0#

MASTER_RESET#CPU_DPSLP#CPU_PWRGOOD

CPU_SLP#CPU_TCKCPU_TDI

CPUCLK_ITPCPUCLK_BCLK#

CPU_A20M#CPU_FERR#CPU_IGNNE#

CPU_INTRCPU_NMICPU_SMI#

CPU_STPCLK#CPU_VID4CPU_VID3CPU_VID2CPU_VID1CPU_VID0

CPU_TCK

CPU_SLP#

CPU_PWRGOOD

CPU_THRMTRIP#

THERM_A

CPU_BPM4#CPU_BPM5#

CPU_FERR#

THERM_C

CPU_DPSLP#

PM_CPUPERF#

CPU_IGNNE#

CPU_A20M#

CPU_STPCLK#CPU_SMI#CPU_NMICPU_INTR

A20GATE

CPU_A20M#

CPUCLK_BCLK

CPU_VID0CPU_VID1CPU_VID2CPU_VID3CPU_VID4

CPU_BPM0#CPU_BPM1#

CPU_TDO

MASTER_RESET#

CPUCLK_ITP#CPUCLK_ITPCPUCLK_BCLK#CPUCLK_BCLK

CPU_TRST#CPU_TMS

CPU_TDI

CPU_VID4

COMP1_CPUCOMP0_CPU

1535_FERR#

CPU_FERR#

CPU_TCKCPU_TRST#

CPU_TDICPU_TDOCPU_TMS

MASTER_RESET#

1535_FERR#

CPU_VID0CPU_VID1CPU_VID2CPU_VID3

CPU_BPM5#CPU_BPM4#CPU_BPM1#CPU_BPM0#

CPU_FERR#

CPU_THRMTRIP#

CPU_IGNNE#CPU_A20M#CPU_INTRCPU_NMICPU_SMI#CPU_STPCLK#CPU_DPSLP#CPU_SLP#CPU_INIT#

CPU_PWRGOOD

PM_CPUPERF#

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Page 4: LG Laptop Motherboard Schematic Diagram

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PART3/3

4 6

A

B

C

A

B

1 2 3 4 5 6

1 5

D

2

C

3

C670

10uF

C626

0.47uF

C663

0.47uF

C592

10uF

C655C625

0.47uF

10uF

C46

10uF

10uF10uF

C58

10uF

C60C590

CPU_COREVCC

C48

10uF

C669

10uF10uF

C589

C591

10uF

C672

C56

10uF

0.47uF

C627

10uF

C628

10uF

10uF

C622

0.47uF

C661

10uF

0.47uF

C662 C660

0.47uF

C657

*0.47uF

C583C643

0.47uF*

C638

0.47uF0.47uF

C582

*0.47uF

C584

**

C641

0.47uF*

10uF

*

C633

10uF

10uF

C668C44

10uF

C671

C618

10uF

C45

10uF

C624

0.47uF

C621

10uF10uF

C653

10uF

C667

C595

10uF

0.47uF

C659

10uF

C55

10uF

10uF

C47

C57

10uF

C596

0.47uF

C623

VSS91

C5

C7

VSS92

VSS93C9

VSS94D10D12

VSS95VSS96

D14D16

VSS97VSS98

D18D20

VSS99

10uF

C594

VSS77

B18

VSS78

B20

B23

VSS79

VSS8A26

VSS80

B26

B4

VSS81

VSS82

B8

C11

VSS83

VSS84

C13

VSS85

C15

C17

VSS86

VSS87

C19

C2

VSS88

VSS89

C22

VSS9A3

C25

VSS90

AE7

VSS62

AE9

VSS63

VSS64

AF1

VSS65

AF10

AF12

VSS66

VSS67

AF14

AF16

VSS68

VSS69

AF18

A24VSS7

AF20

VSS70

VSS71

AF6

AF8

VSS72

VSS73

B10

B12

VSS74

VSS75

B14

B16

VSS76

AD16VSS48VSS49

AD18

A19VSS5

VSS50AD21AD23

VSS51AD4

VSS52VSS53

AD8AE11

VSS54VSS55

AE13

VSS56AE15AE17

VSS57VSS58

AE19AE22

VSS59

VSS6A21

AE24VSS60VSS61

AE26

VSS33AC11AC13

VSS34VSS35

AC15

VSS36AC17AC19

VSS37VSS38

AC2AC22

VSS39

A17VSS4

AC25VSS40VSS41

AC5

VSS42AC7AC9

VSS43VSS44

AD1AD10

VSS45AD12

VSS46VSS47

AD14

AA4VSS19

A13VSS2

VSS20AA7

VSS21AA9

VSS22AB10AB12

VSS23VSS24

AB14AB16

VSS25AB18

VSS26VSS27

AB20AB21

VSS28VSS29

AB24

VSS3A15

VSS30AB3AB6

VSS31AB8

VSS32

VSS168

U25

U5

VSS169

VSS17AA23

VSS170

V1V23

VSS171

VSS172

V26

V4

VSS173

W21

VSS174

VSS175

W24

W3

VSS176

VSS177

W6Y2

VSS178

VSS179

Y22

AA26VSS18

Y25

VSS180

VSS181

Y5

VSS153

N6P2

VSS154

VSS155

P22

P25

VSS156

VSS157

P5

VSS158

R1R23

VSS159

AA19VSS16

VSS160

R26

R4

VSS161

VSS162

T21

T24

VSS163

VSS164

T3T6

VSS165

VSS166

U2U22

VSS167

VSS139K24

VSS14AA15 K3

VSS140VSS141

K6L1

VSS142VSS143

L23L26

VSS144VSS145

L4M2

VSS146VSS147

M22M25

VSS148VSS149

M5

VSS15AA17

N21VSS150VSS151

N24N3

VSS152

F5VSS124VSS125

F8G21

VSS126VSS127

G24G3

VSS128

G6VSS129

AA13VSS13

VSS130H1H23

VSS131VSS132

H26H4

VSS133VSS134

J2VSS135

J22J25

VSS136VSS137

J5K21

VSS138

AA1VSS11

E19VSS110VSS111

E23E26

VSS112

E4VSS113

E7VSS114VSS115

E9F10

VSS116VSS117

F12F14

VSS118VSS119

F16

VSS12AA11

F18VSS120VSS121

F2F22

VSS122VSS123

F25

VSS1A11

A9VSS10

VSS100D21D24

VSS101VSS102

D3D6

VSS103VSS104

D8VSS105

E1E11

VSS106VSS107

E13E15

VSS108VSS109

E17

10uF

C656

NORTHWOOD

U5

10uF 10uF

C654

10uF

C620

C59

TP4668

10uF

C593 C597

10uF

TP4667

C43

10uF

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.com

Page 5: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

CPU

PART 1/5

Place 220pF caps closely to RS200M

65

3

1 2 3 4

1 2 4 5

A

B

C

D

A

C

B

3

121

27

17 14

23

1

7

20

121

32

12

17

61

1

19

121

3

30

12

11

220pF

C158

58

121

12

16

25

CPU_COREVCC

11

C159

220pF

44

22

18

27R173 1% 62

30

38

8

23

6

48

4

2

121

121

454 15

3

36

24

9

60

18

63

15

59

1%R122 10

10

21

34

46

8

121

121

26

VCC3B

29

13

55

6

L24

M25

P4_REQ0#

P4_REQ1#

N23

P4_REQ2#

R21

M26

P4_REQ3#

P4_REQ4#

L26

P4_RS0#M21K21

P4_RS1#P4_RS2#

K22

P4_TRDY#J21

V24P4_VREF

POWERGOODD6

SUSSTAT#AA8AB6

SYSRST#

121

P4_DBI1#

B22

P4_DBI2#

P4_DBI3#

F16

P4_DBSY#J23

P4_DEFER#L23

L25P4_DRDY#

P4_DSTBN0#G22

P4_DSTBN1#C25E19

P4_DSTBN2#P4_DSTBN3#

D16

P4_DSTBP0#G23C24

P4_DSTBP1#P4_DSTBP2#

D19E16

P4_DSTBP3#

P4_HIT#K26L22

P4_HITM#

P4_LOCK#F15A19

P4_D54#P4_D55#

B18B17

P4_D56#C18

P4_D57#A18

P4_D58#P4_D59#

C17

P4_D6#G25

E15P4_D60#P4_D61#

C16F14

P4_D62#P4_D63#

B16

H24P4_D7#P4_D8#

F25G26

P4_D9#

P4_DBI0#

H21

C26

P4_D39#

J25P4_D4#

P4_D40#E18

P4_D41#A22C22

P4_D42#C21

P4_D43#B21

P4_D44#P4_D45#

A21

P4_D46#D18F17

P4_D47#P4_D48#

C19A20

P4_D49#

P4_D5#J26

P4_D50#B20B19

P4_D51#E17

P4_D52#P4_D53#

D22B26

P4_D25#P4_D26#

B24

P4_D27#C23A24

P4_D28#P4_D29#

A25

H25P4_D3#

D23P4_D30#P4_D31#

A26

P4_D32#E21

P4_D33#E20F18

P4_D34#P4_D35#

F20D20

P4_D36#P4_D37#

D21A23

P4_D38#F19

H23

P4_D10#G21F23

P4_D11#F24

P4_D12#P4_D13#

H22F22

P4_D14#P4_D15#

F26F21

P4_D16#P4_D17#

E25

P4_D18#B25

P4_D19#E23

H26P4_D2#

D24P4_D20#

E26P4_D21#P4_D22#

D26E24

P4_D23#P4_D24#

P4_A30#P4_A31#

V21

P4_A4#P22M23

P4_A5#P4_A6#

N26

P4_A7#N25M22

P4_A8#P25

P4_A9#

K24P4_ADS#

P23P4_ADSTB0#P4_ADSTB1#

U23

P4_BNR#K25

P4_BPRI#L21J22

P4_BR0#

E14P4_CPURST#

J24P4_D0#P4_D1#

N22

P4_A16#N21T24

P4_A17#P4_A18#

T26R24

P4_A19#P4_A20#

R22R23

P4_A21#T25

P4_A22#P4_A23#

U26T21

P4_A24#P4_A25#

U25

P4_A26#U22U24

P4_A27#P4_A28#

T22

P4_A29#V25

M24P4_A3#

U21

RS200M

U510

C15COMPCLKVDDCOMPCLKVSS

D15

COMPVDDV23V22

COMPVSS

P24P4_A10#P4_A11#

P21R26

P4_A12#P26

P4_A13#P4_A14#

R25

P4_A15#

33

5

121

1

121

121

42

0

121

12

0

21

12

15

1%

49.9

R176

121

10

121

51

121

121

57

121

75R121 1%

28

121

121

4

50

49.9R165 1%

23

28

56

CPU_COREVCC

41

31

121

24

7

29

31

27

454

16

454 23

25

14

3029274 13454 15

TP4670

TP4671

13

52

R178

3029274 13

121

2

39

45

47

26

20

1%

100

5

22

35

49

9

19

121

1uF

C162

37

54

TP4822

TP4823

53

121

40

TP4669

TP4825

43

121

SUSTAT#PCIRST#_PCI

TP4672

TP4673

121

H_DSTBN0#

H_DSTBP1#

H_DSTBN1#

H_DSTBP2#

H_DSTBN2#

H_DSTBP3#

H_DSTBN3#

HVREF

SUSTAT#

NB_PWRGD

HD#(0:63)

PCIRST#_PCI

DBI#(0:3)

NB_PWRGD

H_BREQ0#

H_REQ#(0:4)

H_ADSTB1#H_ADSTB0#

HVREF

H_RS1#H_RS2#

H_DSTBP0#

H_TRDY#

H_ADS#

CPURESET#

H_LOCK#

HA#(3:31)

H_BNR#

H_BPRI#

H_DBSY#

H_DEFER#

H_DRDY#

H_RS0#

H_HITM#H_HIT#

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Page 6: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

MEMORY BUS

PART 2/5

4

2 4

PLACE AS CLOSE AS TO PIN AC6 OF U510C

D

B

31

1

A

B

C

3

0

12

NO_CONNECTION

1

2

5 6

A

0

27

1

TP5668

468

161412101513119

TP5664

0

RN507

22

13572

R288 22

27

26

37

44

TP5651

2

63

13572468

161412101513119

12101513119

22

RN513

13572468

1614

36

2

5

105

41

27

22

RN512

0

5

61

1

6

7

30

58

TP5638

52

19

DDRREF

TP5634

22R294

26

25

12

5

33

10

32

TP5677

1

45

6

5

TP5617TP5618

TP4845

23

4

7

1K

R201

2

17

28

TP4844

TP5670

36

TP5672

TP5666TP5667

15

TP5669

TP5662TP5663

39

TP5665

TP5646TP5645

0

TP5649

5

TP5647

TP5652

TP5656

TP5650

12119 10

TP5653TP5654

56

135

11

22R290

TP5642

52

21

7

55

TP5640

R300 22

TP5636TP5637

32

TP5639

TP5633

54

TP5635

TP5680

TP5630

5

TP5632

TP5679

18

TP5620

TP5676

TP5624

TP5678

21

TP5621TP5622

TP4843

3

24

5

6

21

6

TP5673TP5674

43

44

4

16

9

TP5671

22R289

36

29

40

31

TP5644

TP5658

TP5648

TP5660TP5661

R299 22

TP5657

R292 22

TP5655

14

23

51

5

5

48

42

TP5643

3

22

7

31

42

355

TP5641

5

5

53

38

4

5

TP5628TP5629

15

TP5631

TP5625TP5626

TP5619

50

6

7

TP5623

34

50

6

54

22

9

22

0

5

14

2

5

TP5675

58

59

3

40

10

53

30

R286 22

4

32

34

R291 22

22R297

28

TP5659

11

12

46

3

R202 1K47

0.1uF

C174

14

8

48

24 24

25

R203 0

5

1

18

57

56

13

41

61

1

*

22

34

38

37

17

TP5627

7

16

R293

33

4

22R285

9

10

0

51

30

4

3

19

DDRREF_NB43

49

5

55

121110

10

28

39 2

9

62

45

31

35

52

5

59

55

26

2

46

13

62

3

0

56

8

12

25

6

57

0

63

59

41

47

7

23

49

47

60

8

DDRREF_NB

43

37

VCC2_5A

22R287

11

3

22R295

51

60

3

5

29

7

6

1211109

2

12119 10

TP4829

58

72468

161412101513119

20

4

16

22

RN514135

12101513119

20

5

12

38

RN511

22

13572468

1614

18

3

TP4835

19

45

5

46

54

48

17

12

6

2

8

29

14

5

95

5

95

R284 22

5

5

57

111095

4

95TP4839

62

TP4841

42

12101513119

7 7

35

22

13572468

1614

1357

151311916141210 RN509

40

RN508

22

2468

C173

0.1uF

105

111095

DDR_WE#AB21

W23TESTMODE

5

5

2

1

63

1195

DDR_DQ61AB24AA25

DDR_DQ62DDR_DQ63

W24

DDR_DQ7AE10

DDR_DQ8AB7AB8

DDR_DQ9

DDR_DQS0AF7AC8

DDR_DQS1DDR_DQS2

AC12AE13

DDR_DQS3DDR_DQS4

AC15AE17

DDR_DQS5AD25

DDR_DQS6DDR_DQS7

Y24

DDR_RAS#AF20

DDR_VREFAC6

DDR_DQ47AD18AE24

DDR_DQ48DDR_DQ49

AE25

AF6DDR_DQ5

Y22DDR_DQ50

AD26DDR_DQ51DDR_DQ52

AD24

DDR_DQ53Y21

AC24DDR_DQ54

AC25DDR_DQ55DDR_DQ56

AB23AB26

DDR_DQ57DDR_DQ58

Y25W25

DDR_DQ59

AE9DDR_DQ6

DDR_DQ60AC26

DDR_DQ32AA14AC14

DDR_DQ33DDR_DQ34

AA16AA17

DDR_DQ35DDR_DQ36

AB14

DDR_DQ37AA15AB16

DDR_DQ38AC16

DDR_DQ39

DDR_DQ4AE6

DDR_DQ40AF15

DDR_DQ41AF16AF17

DDR_DQ42DDR_DQ43

AD17AE15

DDR_DQ44DDR_DQ45

AE16AE18

DDR_DQ46

AA13DDR_DQ18DDR_DQ19

AC13

AD10DDR_DQ2

DDR_DQ20AA11AA12

DDR_DQ21DDR_DQ22

AB13AD14

DDR_DQ23AF11

DDR_DQ24DDR_DQ25

AE12

DDR_DQ26AD12AF12

DDR_DQ27DDR_DQ28

AF13AF14

DDR_DQ29

DDR_DQ3AF10

DDR_DQ30AD15AE14

DDR_DQ31

AB12DDR_DM2DDR_DM3

AD13

DDR_DM4AB15AE19

DDR_DM5AE26

DDR_DM6AB25

DDR_DM7

AD6DDR_DQ0DDR_DQ1

AE7

DDR_DQ10AB10AC10

DDR_DQ11DDR_DQ12

AC7

DDR_DQ13AB9

AA10DDR_DQ14

AC9DDR_DQ15

AB11DDR_DQ16DDR_DQ17

AC11

DDR_CK1#AF22

AB22DDR_CK2

DDR_CK2#AA22

DDR_CK3AC17

DDR_CK3#AB17

DDR_CK4AE23

AF23DDR_CK4#

AA23DDR_CK5

Y23DDR_CK5#

AE11DDR_CKE

DDR_CS0#AC22AA21

DDR_CS1#AF21

DDR_CS2#AF24

DDR_CS3#

DDR_DM0AD9AA9

DDR_DM1

AC18DDR_A11

AB18DDR_A12DDR_A13

AC21AD22

DDR_A14

AB19DDR_A2

AC20DDR_A3

AE21DDR_A4DDR_A5

AD20

DDR_A6AE20AD19

DDR_A7DDR_A8

AC19AA18

DDR_A9

DDR_CAS#AD23

AE8DDR_CK0

AD8DDR_CK0#

DDR_CK1AE22

1

4

RS200M

U510

DDR_A0AB20AA19

DDR_A1

DDR_A10AA20

1

11105

111095

TP4838

20

13572468

161412101513119

TP4832

95

RN510

22

5

39

33

TP4830

15

61

TP4836

TP4837

TP4826

TP4827

TP4828

3

6

53

95

95

TP4840

TP4834

105

1

49

13

2

50

0

11105

TP4833

44

95

22R298

TP4842

105

TP4785

60

TP4831

105

11109511

1195

DDR_CKE

MCLK2

MCLK5

MCLK2#

MCLK5#DDR_CS0#DDR_CS1#DDR_CS2#DDR_CS3#

NB_DM(0:7)

NB_MD(0:63)

4

105

MCLK0

MCLK0#

MCLK1

MCLK1#

MCLK3

MCLK3#

MCLK4

MCLK4#

DDR_CAS#DDR_RAS#

DDR_WE#

MCLK5#

DDR_MAA(0:14)

DDR_DM(0:7)

NB_DQS(0:7)

DDR_DQS(0:7)

DDR_CAS#DDR_RAS#

DDR_WE#DDR_CKE

MCLK2

MCLK5

MCLK2#

DDR_CS0#DDR_CS1#DDR_CS2#DDR_CS3#

MCLK0

MCLK0#

MCLK1

MCLK1#

MCLK3

MCLK3#

MCLK4

MCLK4#

DDR_MD(0:63)

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Page 7: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

AGPPCI

PART 3/5

1 5

B

5

2

C

D

3

4 6

B

A

D

C

21

4

A

3

13

6

306 13

25

R144

10K2

277

27

6

TP5956TP5957

30

0

30

3

301912 13 27 29

13

TP4867

33R132

10K

R145

TP4866

30

22

* 10KR143

TP4874

13

8

TP4877

12

C84 0.1uF

TP4873

120 OHM

HH-1M1608-121JTA

L15

TP4868

TP4869

24

6

13 6

24

TP4865

296

TP4859

6

23

21

24

24

13

3029 27

30

TP4858

VCC3B

13

6

*

TP5955

6

6

1

TP4878

TP4514

22R159

30

TP4862

TP4863

29

63029 2713

R137

10K

6

11

15

45

14

302913 6 27

10

26

9

136VCC3B

28

1

*C83 10uF

13 27 29

3

30

22R158

TP5958

TP5959

31

306

6

TP4875

TP4876

17

20

296 13

156

TP4872

30

30

TP4879

TP4512

246

AB5PCI_STOP#

PCI_TRDY#AB1

0

2

15

457

7

136

PCI_BREQ3#;PCI_CLK3T5

AD3PCI_CBE0#PCI_CBE1#

AC1

PCI_CBE2#AA3Y1

PCI_CBE3#

PCI_DEVSEL#AB4

PCI_FRAME#AA4

V2PCI_GNT0#PCI_GNT1#

V1U2

PCI_GNT2#PCI_GNT3#;_PCI_CLK4

T6

PCI_IRDY#AA5

AB3PCI_PAR

PCI_SBGNT#R4T2

PCI_SBREQ#

PCI_SERR#AB2

W2PCI_AD26PCI_AD27

W6V6

PCI_AD28PCI_AD29

V5

AF4PCI_AD3

PCI_AD30W1

PCI_AD31V4

PCI_AD4AF3

PCI_AD5AE4AE3

PCI_AD6AC4

PCI_AD7PCI_AD8

AE2

PCI_AD9AE1

V3PCI_BREQ0#

U5PCI_BREQ1#PCI_BREQ2#

U6

AC3PCI_AD11PCI_AD12

AD1

PCI_AD13AE5AC5

PCI_AD14AC2

PCI_AD15PCI_AD16

AA1

PCI_AD17AA2

PCI_AD18Y2

AA6PCI_AD19

PCI_AD2AD5

Y5PCI_AD20PCI_AD21

Y4Y6

PCI_AD22PCI_AD23

W5

PCI_AD24W4W3

PCI_AD25

AGP_SBSTB#;RESERVED7E2F3

AGP_SBSTB;RESERVED6

P5AGP_SERR#;GPIO7

AGP_ST0;RESERVED5C2E6

AGP_ST1;SSOUTC1

AGP_ST2;SSIN

P4AGP_STOP#;GPIO3

P6AGP_TRDY#;GPIO2

AGP_VOLTAGE_DETECTB1

AGP_VREF4X;TMDS_VREFR3

AGP_WBF#;RESERVED2F6

T4INTA#

R6PCI_ACTIVE_REQ#

PCI_AD0AA7

PCI_AD1AF5

AD2PCI_AD10

N6AGP_DEVSEL#;GPIO6AGP_FRAME#;GPIO5

M6

AGP_GNT#;AGP_BUSY#D5

N5AGP_IRDY#;GPIO1

AGP_PAR;GPIO4R5E5

AGP_PIPE#;RESERVED1AGP_RBF#;LVDS_DIGON

D3

D4AGP_REQ#;STP_AGP#

AGP_SBA0;LCD_CNTL0;GPIO8D1

AGP_SBA1;LCD_CNTL1;GPIO9E3

AGP_SBA2;LVDS_BLOND2E1

AGP_SBA3;HPDAGP_SBA4;CLK_RUN#

F2F1

AGP_SBA5;RESERVED3AGP_SBA6;RESERVED4

G2

AGP_SBA7;LCD_CNTL2;GPIO10G1

AGP_AD31;VID2F5

P1

AGP_AD3;TMDD10

P3

AGP_AD4;GPIO0

AGP_AD5;TMDD7

N2N3

AGP_AD6;TMDD9

N1

AGP_AD7;TMDD8

L1

AGP_AD8;TMDD5

AGP_AD9;TMDD6

L3

AGP_ADSTB0#;IDCK+M1M2

AGP_ADSTB0;IDCK-

AGP_ADSTB1#;RESERVED0H4

AGP_ADSTB1;VPCLK0H5

AGP_CBE#0;TMDD4M3

AGP_CBE#1;HSYNCH1M5

AGP_CBE#2;VHREFAGP_CBE#3;XVID5

J6

L6

AGP_AD17;XVID0

L5

AGP_AD18;VVSYNC

L4

AGP_AD19;XVID6

AGP_AD1;TMDS_SCL

R2

K5AGP_AD20;XVID4AGP_AD21;VID7

K6

AGP_AD22;XVID3K4

AGP_AD23;XVID1J5

AGP_AD24;VID4H6

AGP_AD25;VID0J4G3

AGP_AD26;XVID2G5

AGP_AD27;VID6AGP_AD28;VID1

G6

AGP_AD29;XVID7G4

P2

AGP_AD2;TMDD11

F4AGP_AD30;VID5

RS200M

U510 R1

AGP_AD0;TMDS_SDA

L2

AGP_AD10;TMDD3

AGP_AD11;TMDD1

K3

AGP_AD12;TMDD2

K2J2

AGP_AD13;TMDS_DE

AGP_AD14;TMDD0

J3H2

AGP_AD15;VSYNC

M4

AGP_AD16;VID3

33R134

6

13

R154

1K

R152

10K

TP4857

0.1uF

C130

1%

6

TP4516

TP4880

10K

R1515

16

1K

R150

1%

6

*

TP4861

6

C128

0.1uF

3GND

7S0

6S1

SSCC5

SSCLK4

VDD2

XIN;CLK1

8XOUT

13

TP4860

3029 2713 630613 2729

U6

SM560

4

VCC3B

6 24

27613

R157 22

TP4864

19

18

VCC3B

PCI_REQ0#PCI_REQ1#PCI_REQ2#

PCI_GNT0#PCI_GNT1#PCI_GNT2#PCICLK_MP

ENAVDDAGPSTP#

AGP_BUSY#ENABKL#

SSOUTSSIN

TP4513

PCI_AD(0:31)

PCI_C_BE#(0:3)

ENABKL#SSOUTSSINPCICLK_CB

PCI_PARPCI_DEVSEL#PCI_FRAME#PCI_IRDY#PCI_TRDY#

INTA#PCI_STOP#

PHOLD#PHLDA#

CLKRUN#

AGPSTP#AGP_BUSY#

AGP_VREF4X

SSINSSOUT

PCICLK_H8

PCICLK_MP

PCI_TRDY#

PCI_STOP#PCI_SERR#

PHOLD#PHLDA#

PCI_PAR

PCI_IRDY#

PCI_GNT2#PCI_GNT1#PCI_GNT0#

PCI_FRAME#PCI_DEVSEL#

PCI_REQ2#PCI_REQ1#PCI_REQ0#

PCI_ACT_REQ#

INTA#

AGP_VREF4X

ENABKL#

ENAVDD

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.com

Page 8: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

CLK GEN

SVID

LVDS

CRT

PART 4/5

C

1

4

AA

Locate Near CPU

52

D

B

C

3

5

D

B

NEED TO CHANGE THE REFERENCE VALUEFOR NEXT REVISION

2

1

3 64

Locate Near NB

TP4900

0.1uF

C708

VCC1_8B

33

R600

1%TP4892

R649 1% 499

C95

0.1uF

VCC3B

ID-MCC-125B

X502 14.318MHZ12 3

4

220 OHMHH-1M2012-221JT

L522

L526

TP4894

75R641

C703

1uF

220 OHMHH-1M2012-221JT

L14HH-1M2012-221JT

220 OHM

56R124

56R133

R160 0*

10uF

C6970.1uF

C85

7 24

1%R139 33

TP4884

22R166

7 24

TP4883

1uF

R136 0

C704

10uF

C705

22

7 24

VCC3B

33R1091%

45

TP4881

R170

7

7 24

2

0R642

6

7 24

1%

R603

33

257

2

TP4846

7 13

7

TP4895

TP4917

TP4918

6

7

TP4901

TP4902

TP4891

*

C695

1uF

TP4849

TP4850

725

TP4854

220 OHM

7 24

TP4848TP4852

7

7 24

7

L525HH-1M2012-221JT

C690

10pF

68pF

C86

10pF

C706

TP4899

725

TP4910

TP4911

R148 22

TP4885

713

7 24

0.1uF

C709

*

36

7

TP4893

7

77 24

7 24

24

0R130

7 24

725

7

R126 56

C694

10uF

7

R656

7

TP4882

7

7

7

1M

TP4897

TP4898

TP4886R131 56

VCC1_8B

725TP4896

*R108 22

R149 22

7 24

C711

0.1uF

R161

10K

VCC1_8B

TXOUT_U1+B6

TXOUT_U1-C6A7

TXOUT_U2+TXOUT_U2-

A6

U1USBCLK

G14V3.3_2

XTLINB12B11

XTLOUT

D9Y_G

7

2

7

B14SYS_FBCLKOUTSYS_FBCLKOUT#

B13

W22THERMDIODE_NTHERMDIODE_P

W21

TXCLK_L+A5

TXCLK_L-A4

B7TXCLK_U+

C7TXCLK_U-

A3TXOUT_L0+

A2TXOUT_L0-

B3TXOUT_L1+

C3TXOUT_L1-TXOUT_L2+

B4C4

TXOUT_L2-

TXOUT_U0+C5

TXOUT_U0-B5

LVSSR0E7F7

LVSSR1

OSCF12

E12PCICLK_NB

PCICLK_STOP#U4

U3PCI_CLK_F

PLLVDD0A12

PLLVDD1A14

A13PLLVSS0

A15PLLVSS1

R2SETB9

REDE10

REF27;PCICLKSB15

RSETB10

C14SYSCLK

SYSCLK#D14

C10BLUE

E9COMP_B

F13CPUSTOP#

C_RC9

DACHSYNCF11

F10DACSCLDACSDA

F9

E11DACVSYNC

C12EXT_MEM_CLK;AGP_FBCLKOUT

GREEND10

D13HCLKINHCLKIN#

E13

F8LPVDD

LPVSSD7

D8LVDDR0LVDDR1

E8

U510

RS200M

A9A2VDD

C8A2VDDQ

A8A2VSSN

B8A2VSSQ

AGPCLKIN;AGP_FBCLKINC13

AGPCLKOUTD12

A10AVDD

AVSSNA11C11

AVSSQ

7

TP4906

7

7

2

7 24

1uF

C699

6

57

TP5861

7

22pF

C880

TP5857

TP5858

TP5859

TP4909

TP5855

TP5856

R128 33

TP4914

C707

10uF

TP4912

L523HH-1M2012-221JT

220 OHM

TP5860

C713

0.1uF

15

VCC2_5B

22R141

7

257

7

77

7

TP4890

TP4904

TP5862

7 24

TP5864

7

TP4853

R966 1

TP4908

TP4907 45

TP4916

TP4847

TP4851

7

7

7

713

725

TP5863

TP4888

730

7TP4889

TP4913

C712

0.1uF

TP4887

7 240.1uF

C710

22R110

VCC1_8B

R140 22

TP4915

TP4903

R125 715

6

7

R601 0

57

* 0R604

*

1uF

C698

7

10uF

C702

PI74ST1G126

U8

VCC=VCC3B, GND=GROUND

2

1

4

7

TP5854

R127 0

TP5865

TP5866TP5867

TXOUT_L0+

VCC1_8B_LPVDDVCC1_8B_LVDDR

DDCKDDDA

NB_CPUSTP#PCIRST#_LPC

CPUSTP#

TP5853

TXOUT_U2+TXOUT_U2-TXCLK_U+TXCLK_U-

TXOUT_L0-TXOUT_L1+TXOUT_L1-TXOUT_L2+TXOUT_L2-TXCLK_L+TXCLK_L-

SYSFBCLK

PCICLK_1535PCICLK_H8PCICLK_CB

PCICLK_LAN

PCICLK_LANCLK_USB48CLK_SB14CLK_AC14

TXOUT_U0+TXOUT_U0-TXOUT_U1+TXOUT_U1-

SYSFBCLK#SYSFBCLK

PCIRST#_LPC

NB_CPUSTP#CPUSTP#

PCICLK_H8

CRT_REDCRT_GREENCRT_BLUECRT_VSYNCCRT_HSYNC

SYSFBCLK#

CLK_USB48

CLK_AC14CLK_SB14

CPUCLK_ITP

CPUCLK_BCLKCPUCLK_BCLK#

CPUCLK_ITP#

VCC2_5B_A2VDD

VCC1_8B_PLLVDD

VCC1_8B_AVDD

VCC1_8B_LVDDR

SYSFBCLKSYSFBCLK#

CPUCLK_NB#CPUCLK_NB

VCC1_8B_LPVDD

VCC1_8B_LVDDR

PCICLK_1535

PCICLK_CB

TXOUT_U1+

TXOUT_U2-TXOUT_U2+

TXCLK_U-TXCLK_U+

CRT_REDCRT_GREENCRT_BLUE

CRT_HSYNCCRT_VSYNC

VCC1_8B_LPVDD

NB_CPUSTP#

DDCKDDDA

PCISTP#

CLK_NB14

TXOUT_L0-TXOUT_L0+

TXOUT_L1-TXOUT_L1+

TXOUT_L2-TXOUT_L2+

TXCLK_L-TXCLK_L+

TXOUT_U0-TXOUT_U0+

TXOUT_U1-

www.laptop-schematics

.com

Page 9: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

POWER

PART 5/5

31 2

A

D

4 5

1

6

2 3 4 5 6

A

B B

C

D

C

0.1uF

C96

C104

*

0.1uF

C94

C166

0.1uF

0.1uF

0.1uF

C168

0.1uF

C100

C171

0.1uF

VCC3B

C135

0.1uF

TP4959

TP4955

C82

0.1uF

0.1uF

0.1uF

C116

VCC1_8B

TP4953

C145

CPU_COREVCC

*

C132

0.1uF

C129

0.1uF

C121

0.1uF

*

0.1uF

C114

*

C120

0.1uF

0.1uF

C131

C176

0.1uF

CPU_COREVCC

*

0.1uF

C139

AA24VDRM16

Y7VDRM2VDRM3

Y18Y17

VDRM4Y14

VDRM5VDRM6

Y13Y12

VDRM7VDRM8

W20V20

VDRM9

VPCI0

AF2

VPCI1

Y3T3

VPCI2

U7

VPCI3

V7

VPCI4

VPCI5

W7

U16

VDD_CORE34

VDD_CORE35

U17

VDD_CORE4

K16

VDD_CORE5

K17

L10

VDD_CORE6

L11

VDD_CORE7

VDD_CORE8

L12

VDD_CORE9

L15

Y9VDRM0VDRM1

Y8

VDRM10AF9AF25

VDRM11VDRM12

AF18

VDRM13AD7AD21

VDRM14VDRM15

AA26

VDD_CORE2

K12

R12

VDD_CORE20

VDD_CORE21

R15

R16

VDD_CORE22

R17

VDD_CORE23

VDD_CORE24

T10

VDD_CORE25

T11

T12

VDD_CORE26

T15

VDD_CORE27

VDD_CORE28

T16

VDD_CORE29

T17

K15

VDD_CORE3

U10

VDD_CORE30

VDD_CORE31

U11

VDD_CORE32

U12

U15

VDD_CORE33

VCPU6

M20

N20

VCPU7

VCPU8

W26

P20

VCPU9

K10

VDD_CORE0

VDD_CORE1

K11

L16

VDD_CORE10

L17

VDD_CORE11

VDD_CORE12

M10

M11

VDD_CORE13

M12

VDD_CORE14

VDD_CORE15

M15

VDD_CORE16

M16

M17

VDD_CORE17

VDD_CORE18

R10

R11

VDD_CORE19

AF19GND9

G10V3.3_0V3.3_1

G11

V5.0T1

VAGP_GPIO0H7K7

VAGP_GPIO1VAGP_GPIO2

L7

H3VAGP_TMDS0VAGP_TMDS1

K1P7

VAGP_TMDS2A16

VCPU0

VCPU1

G16

G18

VCPU2

VCPU3

G19

H20

VCPU4

J20

VCPU5

GND64

T14

T23

GND65

GND66

U13

U14

GND67

U20

GND68

GND69

Y20

AD4GND7

GND70

AD11

Y19

GND71

Y16

GND72

GND73

Y15

Y11

GND74

GND75

Y10

GND76

AD16

T20

GND77

AF8GND8

J1GND5

GND50

P10

P11

GND51

P12

GND52

GND53

P13

GND54

P14

P15

GND55

P16

GND56

GND57

P17R7

GND58

GND59

R13

Y26GND6

GND60

R14

R20

GND61

T7

GND62

GND63

T13

L20GND35

D11GND36

M7GND37

M13GND38

M14GND39

N4GND4

G17GND40GND41

N7N10

GND42

N11

GND43

N12

GND44

N13

GND45

N14

GND46

GND47

N15

GND48

N16

N17

GND49

B23GND20

D25GND21

G8GND22

G9GND23

G12GND24

G13GND25

G15GND26

G20GND27

J7GND28

G7GND29

AC23GND3

K13GND30

K14GND31

K20GND32

L13GND33

L14GND34

RS200M

U510

A1GND0

A17GND1

N24GND10

V26GND11

D17GND12

K23GND13

AF1GND14

C20GND15

G24GND16GND17

AF26E22

GND18B2

GND19

E4GND2

C136

0.1uF

0.1uF

C142

0.1uF

C81

0.1uF

C119

0.1uF

VCC2_5A

0.1uF

C151

2

1

0.1uF

C109

C123

C80

0.1uF

47uF

C737

C157

0.1uF

C90C101

0.1uF

0.1uF

TP4957

*

0.1uF

C140

VCC2_5A

C152

0.1uF

TP4956

C161

TP4954

TP4958

0.1uF

C133

0.1uF

0.1uF0.1uF

C143

VCC1_8B VCC3B

C147

0.1uF

C149

C156C155

0.1uF

C102

0.1uF

0.1uF

C746

47uF2

1

0.1uF

C98

C148

0.1uF

C163

0.1uF 0.1uF

C165

0.1uF

C111

C144

0.1uF

C172

0.1uF

0.1uF

0.1uF

C146

2

1

0.1uF

C108

C125

0.1uF

47uF

C750

C747

47uF2

1

C141

C117

0.1uF

0.1uF

C134

VCC3B

C105

0.1uF

C93

0.1uF

0.1uF

C122

C175

0.1uF

VCC5B

0.1uF

C126C92

0.1uF

C153

C160

0.1uF

0.1uF

C89

0.1uF

0.1uF

*

C124

0.1uF

C749

47uF2

1

C99

0.1uF

C127

0.1uF

C118

*

C91

0.1uF

0.1uF

C110

0.1uF

C97

www.laptop-schematics

.com

Page 10: LG Laptop Motherboard Schematic Diagram

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.com

PART1/2

PART2/2

1

A

Lay out note: Place capacitors between and near DDR connector if possible.

D

2 43 5 6

1 2 3 4 5 6

C

B

C

A

B

D

0.1uF

C226

51

DDRREF_DIMM

11

35

0.1uF

C225

44

C786

16V

22uF

3

11

0.1uF

C212

4

47

18

5

24

42

13

49

53

0.1uF

C210

56

16

9

3

17

DDRREF VCC2_5A

C197

0.1uF

7

11

26

19

12

10

22uF

16V

C781

C218

0.1uF

6

2

C199

0.1uF

C196

0.1uF

63

6

61

DQS4133147

DQS5DQS6

169183

DQS7DQS8

77

118RAS#

RESET;DU86

S0#121

S1#122

SA0194

SA1196198

SA2195

SCL193

SDA

WE#119

DQ55DQ56

177181

DQ57DQ58

187189

DQ59

DQ614

DQ60178182

DQ61188

DQ62DQ63

190

DQ71819

DQ8DQ9

23

DQS011

DQS12547

DQS2DQS3

141145

DQ41DQ42

151

DQ43153

DQ44142

DQ45146152

DQ46154

DQ47163

DQ48165

DQ49

DQ58

DQ50171175

DQ51DQ52

164

DQ53166172

DQ54176

6567

DQ27DQ28

5660

DQ29

DQ317

66DQ30DQ31

68127

DQ32129

DQ33135

DQ34DQ35

139128

DQ36DQ37

130

DQ38136140

DQ39

DQ46

DQ40

DQ11DQ12

20

DQ132430

DQ14DQ15

3241

DQ1643

DQ17DQ18

4953

DQ19

13DQ2

42DQ20DQ21

4450

DQ2254

DQ23DQ24

5559

DQ25DQ26

CK2CK2#

9196

CKE095

CKE1

12DM0DM1

2648

DM2DM3

62

DM4134148

DM5DM6

170184

DM778

DM8

5DQ0

7DQ1

DQ102931

117116

BA198

BA2;DU

CAS#120

CB07173

CB1CB2

79

CB383

CB47274

CB5CB6

8084

CB735

CK0CK0#

37

CK1160

CK1#158

89

J507

A0112

A1111

115A10;AP

100A11A12

9997

A13;DU

110A2A3

109

A4108107

A5106

A6A7

105102

A8A9

101

BA0

R379

0

CONN_200P_SODIMM

33

0.1uF

C21162

*

C281

0.1uF

29

10

36

9

0.1uF

C228

0

16V

C777

22uF

C230

0.1uF

0.1uF

C771

4

1

13

0

31 481410 9

12

32

50

VCC2_5A

5

41

11

31

7

0.1uF

C219C282

0.1uF

5

22

8

58

2

40

20

5

28

5

0.1uF

C280

7

54

7

0R305

31149 10 48

59

5

48

55

1

12

0.1uF

C286

11

1

15

5

43

46

52

39

C279

0.1uF

5

27

57

25

9

0

4

C229

0.1uF

C198

0.1uF

0.1uF

C227

0

TP4962

VCC2_5A

TP4960

10K

R306

1134

38

TP5868

48

3

12

3

6

C773

22uF

16V

60

61

2

VCC3B

12

8

2

45

30

37

21

5

VSS27104126

VSS28VSS29

138

27VSS3

150VSS30

162VSS31VSS32

174186

VSS33

VSS439

VSS551

VSS663

VSS775

VSS887103

VSS9

6

149VSS12VSS13

159

VSS14161173

VSS15VSS16

1854

VSS1716

VSS18VSS19

28

15VSS2

38VSS20

40VSS21VSS22

5264

VSS2376

VSS24VSS25

8890

VSS26

VDD31168180

VDD32192

VDD33

VDD445

VDD55769

VDD681

VDD7VDD8

93113

VDD9

VDDID199197

VDDSPDVREF1

1

VREF22

3VSS1

VSS10125

VSS11137

10VDD17VDD18

2234

VDD19

VDD221

VDD2036

VDD2146

VDD225870

VDD23VDD24

8292

VDD2594

VDD26VDD27

114

VDD28132

VDD29144

33VDD3

156VDD30

CONN_200P_SODIMM

J507

85DU1

123DU2DU3

124200

DU4

201GND0

202GND1

VDD19

VDD10131143

VDD11155

VDD12VDD13

157167

VDD14VDD15

179191

VDD16

5

TP4961

14

4

TP5869

23

11

12

1

14

11

TP4963

DDR_WE#

DDR_CS1#DDR_CS0#

SMBCLKSMBDATA

DDR_DM(0:7)

SMBCLKSMBDATA

DDR_DQS(0:7)

MCLK0MCLK0#

MCLK1MCLK1#

MCLK2MCLK2#DDR_CKE

DDR_CAS#DDR_RAS#

DDR_MAA(0:14) DDR_MD(0:63)

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Page 11: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

PART2/2

PART1/2

4

B B

C

D

1 4 5 62 3

1 5

D

A A

2

PLACE AS CLOSE AS TO DIMM CONNECTOR

C

VCC2_5A

11

21

3

0R313

0

R301

*

56

DDRREF

511

R281

1%

14

39

11

63

48

35

11

33

9

16

41

54

1

13

14

37

50

58

1

C272 0.1uF

4

3

44

29

6

1%

R280

511

7

42

5

162VSS31VSS32

174186

VSS33

VSS439

VSS551

VSS663

VSS775

VSS887103

VSS9

VCC2_5A

19

4VSS17

16VSS18VSS19

28

15VSS2

38VSS20

40VSS21VSS22

5264

VSS2376

VSS24VSS25

8890

VSS26VSS27

104126

VSS28VSS29

138

27VSS3

150VSS30

69VDD6

81VDD7VDD8

93113

VDD9

VDDID199197

VDDSPDVREF1

1

VREF22

3VSS1

VSS10125

VSS11137149

VSS12VSS13

159

VSS14161173

VSS15VSS16

185

VDD2146

VDD225870

VDD23VDD24

8292

VDD2594

VDD26VDD27

114

VDD28132

VDD29144

33VDD3

156VDD30VDD31

168180

VDD32192

VDD33

VDD445

VDD557

200DU4

201GND0

202GND1

VDD19

VDD10131143

VDD11155

VDD12VDD13

157167

VDD14VDD15

179191

VDD1610

VDD17VDD18

2234

VDD19

VDD221

VDD2036

5

52

CONN_200P_SODIMM

J506

85DU1

123DU2DU3

124

28

11

22

25

5

47

45

531

2

VCC2_5A

6

51

12

0

5

49

60

1

27

24

3

VCC3B

VCC3B

20

32

18

30

DDRREF_DIMM

2

4

R373

48

7

46

10KR315

10K

59

0

26

23

4

53

11

12

5

62

5

3

11

12

10

6

8

13

38

SA2195

SCL193

SDA

WE#119

0.1uF

C213

23

DQS011

DQS12547

DQS2DQS3

61

DQS4133147

DQS5DQS6

169183

DQS7DQS8

77

118RAS#

RESET;DU86

S0#121

S1#122

SA0194

SA1196198

DQ51DQ52

164

DQ53166172

DQ54176

DQ55DQ56

177181

DQ57DQ58

187189

DQ59

DQ614

DQ60178182

DQ61188

DQ62DQ63

190

DQ71819

DQ8DQ9

130

DQ38136140

DQ39

DQ46

DQ40141145

DQ41DQ42

151

DQ43153

DQ44142

DQ45146152

DQ46154

DQ47163

DQ48165

DQ49

DQ58

DQ50171175

DQ2254

DQ23DQ24

5559

DQ25DQ26

6567

DQ27DQ28

5660

DQ29

DQ317

66DQ30DQ31

68127

DQ32129

DQ33135

DQ34DQ35

139128

DQ36DQ37

DM8

5DQ0

7DQ1

DQ102931

DQ11DQ12

20

DQ132430

DQ14DQ15

3241

DQ1643

DQ17DQ18

4953

DQ19

13DQ2

42DQ20DQ21

4450

CK0CK0#

37

CK1160

CK1#158

89CK2CK2#

9196

CKE095

CKE1

12DM0DM1

2648

DM2DM3

62

DM4134148

DM5DM6

170184

DM778

A6A7

105102

A8A9

101

BA0117116

BA198

BA2;DU

CAS#120

CB07173

CB1CB2

79

CB383

CB47274

CB5CB6

8084

CB735

CONN_200P_SODIMM

J506

A0112

A1111

115A10;AP

100A11A12

9997

A13;DU

110A2A3

109

A4108107

A5106

0.1uF

C277

55

17

61

15

5

0

5

36

34

43

TP5872

TP5873

TP5874

11

40

TP5870TP5871

R374 0

12

12

57

2

DDRREF_DIMM

R314 0

48

7

MCLK5#DDR_CKE

DDR_CAS#DDR_RAS#DDR_WE#

DDR_CS3#DDR_CS2#

SMBCLKSMBDATA

DDR_DQS(0:7)

DDR_DM(0:7)

DDR_MD(0:63)DDR_MAA(0:14)

MCLK3MCLK3#MCLK4#MCLK4MCLK5

www.laptop-schematics

.com

Page 12: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

4

521 43

1 2 3

D

A

Lay out note: Place one cap close to every 2 pullup resistors terminated to VCC1.25B.

B

6

C

D

A

Lay out note: Place one cap close to every 4 pullup resistors terminated to VCC1.25B.

B

C

62

61

1

2

5

0.1uF

C807 C246

0.1uF

C827

0.1uF0.1uF

C238

33R89633R901

R904 33

0.1uF

C248

33R308

0.1uF

C799

C247

0.1uF0.1uF

C258

R887 56

56R334

R885 5656R884

C256

0.1uF

C808

0.1uF

C796

0.1uF

47pF

0.1uF

C243

18

47pFC209C203

C265

0.1uF

19

C815

0.1uF

0.1uF

C263

0.1uF

C252

R89933R344

0.1uF

C255

334

55

56

C813

0.1uF

C790

0.1uF

41

40

3

0.1uF

C266

C794

0.1uF0.1uF

C237

TP4964

TP4965

56R352R350 56

47pFC221

VCC1_25B

R902 33

C822

0.1uF0.1uF

C812

R335 56

C239

0.1uF56R881

0.1uF

C831

3333R345

C254

0.1uF

R900

56R923

0.1uF

C829

R921 56

C830

0.1uF0.1uF

C249

11

10

R912 5656R368

56R326

33R343

C261

0.1uF

C800

0.1uF

C253

0.1uF

0.1uF

C821 C832

0.1uF

56R353

1

0.1uF

C824

C267

0.1uF 0.1uF

C257

56R891R907 56

C798

0.1uF

C810

0.1uF

56R882

C242

0.1uF

R880 56

0.1uF

C260

7

6

R919 56

6

12

63

33

32

57

39

38

5

C818

0.1uF

25

R916 56

C233

0.1uF

33R34133R34056R888

R911 56R910 56

C805

0.1uF

20

56R362

0.1uF

C819

R363 56

33R895

7

6

33R347

C811

0.1uF0.1uF

C240

C223C768 47pF

47pFC232

47pF

56R366R361 56

R886 56

VCC1_25B

0

12

11

56R878

C804

0.1uF

53

9

0.1uF

C234

56R332R330 56

12

09

8

C269

0.1uF

C803

0.1uF

47pFC202

15

14

56

47pFC215

56R357R358

C270

0.1uF

R348 33

0.1uF

C816

3333R897

33R898R346

8

9

36

R319 56

C224 47pF

C204 47pF

56R877

9

56R918

33R309

47pFC208

59

48

47

33R903

R920 56

60

C769 47pF

30

3

2

33R342

56R338

R883 56

33R894

7

56R333

47pFC287

R914 56

56R323

47pFC283

R924 56

47pFC206 47pF

R922 56

C207

56R337

56R917

3

4

1010

10

56R329R915 56

R906 56

56R349R905 56

45

44

2

C231 47pF

16

4

R890 56

47pFC200

56R327

50

51

17

28

56R328

R354

1010

29

35

34

R339 33

56

R874 56

13

14

R875 56

5656R324

R365

22

23

R325

56R36456

56R913

R879 56

C806

0.1uF

VCC1_25B

R359 56

0.1uF

C259

R360 56

3

4

C250

0.1uF

C809

0.1uF0.1uF

C817 C271

58

5

0.1uF

C820

0.1uF

R356 5656R351

C262

0.1uF

R321 56

0.1uF

C814

C268

R909 56

5

6

C235

0.1uF0.1uF 0.1uF0.1uF

C244

56R331

C245

12

56R908

C220

10

C770 47pF

C802

0.1uF

VCC2_5A

47pF

0.1uF

C797

13

12

R355

5

C801

0.1uF

0.1uF

C828

56

C823

0.1uF

0.1uF

C795

R336 56

1

2

C251

0.1uF

C825C833

0.1uF

56R322

37

0.1uF

C264

0.1uF

10

12

0.1uF

C826

24

C241

0.1uF0.1uF

C236

54

R367 56

43

42

31

46

C201 47pF

1

0

0

49

56R892R893 56

56R876

52

21

27

26

56R320

C205 47pF

7

C222 47pF

DDR_DM(0:7)

DDR_MAA(0:14)

R889 56

DDR_CS2#DDR_CS3#

DDR_CKE

DDR_CAS#DDR_WE#

DDR_RAS#

DDR_CS0#DDR_CS1#

DDR_DQS(0:7)DDR_MD(0:63)

www.laptop-schematics

.com

Page 13: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

C

3 4

D

3

B

61 5

2 5

A

2

A

TP5081

14

1

C

4

D

B

12

TP5077

TP5078

TP4621

2

7

8

11

TP4592

TP4631

TP4618

TP4632

10

11

TP4591

TP4595

29

27

14

16

14 41

4TP4567 4

55

TP4554

2014 35

3514

1414

TP4566

TP5111

TP4553

TP5082

TP5083

0

2

TP5112

39

2221 16 14

7

TP4796

25

TP5041

TP5042

38

TP5039

TP5040

28

4

30

TP5038

TP4560

TP4561

16 1429 36

141629 36

15

16

7

3629

TP5109

TP5110

3TP4569

6

16 1429 36

TP4733

3

0

TP4734

4

5

18

14 21

51

52

TP4582

TP4620

TP4802

46

TP4594

11

11

TP4619

13

TP4789

TP4788

TP4593

TP4547

44

12

TP5113

TP4696

39

TP4548

13

TP4751

TP4752

15

49

50

20

21

53

54

26

25

26

TP4568 4

18

1

2

TP5115

TP5116

TP5105

14

0

11

17

TP4729

TP4730

62

63

TP5107

TP5108

14

TP4693

42

TP5079

TP5080

10

TP4600

TP4749

19

6

7

3

4

30

31

9

TP46773

0TP4801

TP4703

TP4748

36

35

56

57

TP4639

TP4640

TP4574

4

44

23

0

4

TP4550

TP4549

40

4

5

6

TP5114

TP4575

4

37

49

TP4762

TP4778

TP4779

23

24

16

TP4775

TP4674

TP4675

TP4731

TP4637

TP4774

9

TP4661

TP4662

TP4732

44

43

8

TP4773

2

TP4782

TP4816

48

53

1

6

5

30

TP4797

47

50

TP4800

32

33

4

5

TP4747

2

5

TP4641

TP4676

38

37

5

3

5

TP4638

TP4694

TP4695

6

5

34

TP4750

TP4769151

52

TP4765

TP4766

17

27

28

20

41

13

TP4780

TP4781

TP4735

TP4760

TP4777

12

TP4663

TP4664

4TP4572

TP4599

36

4TP4570

41

40

TP4756

TP4757

TP4692

48

TP4770

TP4602

TP4601

44

45

TP4691

TP4736

8

29

0

21

TP4744

34

35

1

1

29

30

31

58

TP4743

TP4590 4

60

59

0

57TP4589 4

56

63

TP4805

7

4

TP4808

1

TP4763

4

TP4804

TP4704

4TP4576

TP4707

TP4700

14

15

33

TP4740

10

11

TP4699

TP4820

4TP4571

TP4739

2

TP4660

TP4819

TP4784

TP4812

TP4813

4

3

0

TP4809

TP4783

45

TP4776

4

5

TP4798

TP4799

29

TP4708

TP4746

TP4603

32

TP4742

5

4

TP4745

TP4727

TP4728

TP4741

TP4753

TP4754

58

28

4

5

TP4761

TP4759

TP4715

1

2

7

TP4711

TP4712

TP4767

TP4768

TP4607

28

42

TP4764

4

TP4604

18

19

TP4666

TP4701

TP4702

TP4697

TP4698

TP4665

TP4821

TP4738

9

8

TP4758

61

TP4723

TP4724

TP4771

TP4772

12

13

46

47

TP46839

22

43

TP4679

TP4680

TP4737

11

9

TP4642

2

3

2

TP5048

6

TP4627

TP4628

7

6

1

12

TP4755

TP4726

TP4720

62

TP4815

13

TP4716

54

55

TP4719

24

TP4806

TP4807

21

TP5052

2TP4803

25

TP4705

TP4706

TP5051

TP4635

TP4636

14

5

TP4630

4TP4579

TP4725

10

60

61

TP4629

TP4814

7

TP4657

TP4658

TP4811

TP4687

TP4688

TP4684

TP4810

TP4646

6

7

TP4649

7

6

TP4709

3

TP4645

TP5087

TP5049

31

30

TP5044

TP5045

3

4

TP4597

TP4598

4

0

TP4623

TP4624

11

TP4626

17

16

6

TP4722

TP5037

20

2

3

TP5055

TP5056

TP4713

TP4714

TP5076

27

TP4710

TP4606

TP5075

4TP4581

14 41

TP5072

TP4605

TP4578 4TP4580

14 2114 21

25

26

TP4659

59

4

TP4653

TP4654

14

TP4690

TP5059

TP4650

10

11

2

TP4681

TP4682

TP4643

TP4678

3

7

8

TP5091

TP5092

TP5046

TP5047

31

TP5088

1

0

TP5043

35143514

5TP4625

TP4596

2

TP5064

TP4721

14

6

TP4717

TP4718

TP5063

2014 20

23

22

14 34

TP5060

TP4584

TP5053

26

14

20

21

4

TP5050

TP4583

TP5103

TP5104

141416

TP5069

TP5070

TP5071

14 2122 45

27

TP4577

TP5068

3414

TP4689

TP4656

1421 45

14 34

TP4685

TP4686

3414

TP4647

TP4648

TP4545

TP4644

TP4541

TP4542

14 34

TP4555

TP4562

5

TP4633

TP4634

TP5067

35143514

14

15

3514

14 35

TP5099

4

3

TP5094

TP5095

15

TP4622

TP5098

19

18

TP4558

TP4563

TP5058

TP4552

TP4557

TP5054

1

TP4551

TP5057

TP5074

3

4

36

TP4790

TP4791

TP5073

TP4614

TP4615

14 41

14 41

10

11

TP5096

TP5102

TP4655

24

6

7

1421 451421 45

TP4610

TP4611

TP4609

TP4651

TP4652

TP5086

4

44

1

0

TP4608

TP5090

TP4564

4

17

TP511718

TP5089

12

13

17

19

16

TP5101

TP4559

TP4546

TP5066

22

24

TP5100 14 34

TP5061

TP5062

TP5065

22

23

TP4585

TP5093

14 34

TP4613

TP4616

TP4617

TP5097

8

9

TP4612

TP4543

TP4544

34143414

3414

1

TP4556

TP4586

TP4792

TP4565 4

0

TP4795

TP4794

TP4793

LPT_STRB#LPT_BUSYLPT_ACK#LPT_PE

LPT_SLCTLPT_ERROR#

USBP0+USBP0-USBOC#USBP1+USBP1-GPI36GPI35

HA#(3:31)

H_REQ#(0:4)

NB_DQS(0:7)

AC_SYNC

AC_SDATAOUTEM_OFF

RXDTXD

RTS1#DTR#CTS#DSR#DCD#

COMRI#RTS2#DTR2#

LPT_ATFD#LPT_INIT#LPT_SLIN#

LPC_AD0LPC_AD1LPC_AD2LPC_AD3

MEMR#MEMW#IOR#IOW#

EM_OFF#

AC_BITCLKAC_RST#

AC_SDATAIN0AC_SDATAIN1

SA(4:18)

XD(0:7)

LPT_D(0:7)

DDR_MD(0:63)

DDR_DQS(0:7)

DDR_DM(0:7)

NB_DM(0:7)

PCI_AD(0:31)DDR_MAA(0:14)HD#(0:63)

H_DSTBN1#

H_DSTBP2#H_DSTBN2#

H_DSTBP3#H_DSTBN3#

DBI#(0:3)

H_ADSTB0#H_ADSTB1#

H_ADS#H_BNR#H_BPRI#H_DEFER#H_DRDY#H_DBSY#H_BREQ0#

CPU_INIT#H_LOCK#

CPURESET#H_RS2#H_RS1#H_RS0#H_TRDY#H_HIT#H_HITM#

H_DSTBP0#H_DSTBN0#

H_DSTBP1#

www.laptop-schematics

.com

Page 14: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

CPU

PCI

RESET &CLOCK

IDE

PART 1/3

3

D

B

64

3

2

1 4

OPTION WHEN X1 IS USED

C

B

2

A

C

5

13

51

5

A

TP5010

TP5011

TP4994

18

13

13

TP5006

TP5007

TP4998

TP4997

1313

TP5000

TP4999

TP5022

18

30

13

18

TP5001

18131813

82R216

7

TP4981

33R765

1313

2

10

TP4979

TP4980

8.2K

RN1

18

49 5

36

7

18

3

TP4978

13

0

18

TP4984

1

2

TP4986

TP4969

TP4970

18

18

1715

13301330

13 1817

13

TP4989

TP4988

6

13

TP4992

TP4991

TP4990

1813

18

6 13

1

13

TP4993

TP5012

TP5013

1313

TP5008

TP5009

1818

TP5002

TP5003

TP5004

45

3029274

1813

TP4982

TP4983

456321

910131211141516

40217

1

23

2715

33

RN50287

0

10

13

SN74AHC08

U16

VCC=VCC3B, GROUND=GROUND

24

11

15pF

C726

21

2431 8

657

3

13

4213 6

875

33

RN2

911151310141612

RN5

33

RN505

33

86247315

9

11

TP4985

1713

6

5

6

13

8

1818

2

15

10

7

2

20

4

R673

18131813

TP4987

1813

6

13

30

30

25

33

SIDED2B16

SIDED3E15C15

SIDED4SIDED5

A15D14

SIDED6

E13SIDED7SIDED8

D13E14

SIDED9

SIDEDAK#B18

SIDEDRQC17

E17SIDEIOR#SIDEIOW#

D17

SIDERDYA18

STOP#A4

TRDY#C4

H5USBCLK

H17PIDERDY

PWRGOODU10

D5SERR#

A19SIDEA0

C18SIDEA1

B19SIDEA2

C19SIDECS1#

A20SIDECS3#

A17SIDED0

D16SIDED1

SIDED10B15

SIDED11D15A16

SIDED12

C16SIDED13SIDED14

E16SIDED15

B17

PIDED12F17

PIDED13F19G16

PIDED14

G18PIDED15

PIDED2F18

PIDED3F16E19

PIDED4PIDED5

D20D18

PIDED6

B20PIDED7PIDED8

C20PIDED9

D19

H18PIDEDAK#PIDEDRQ

G19

PIDEIOR#H16

PIDEIOW#G20

W6OSC32KI

Y6OSC32KII

PARB5

PCICLKE8

C5PCIRST#

PHLDA#A10C11

PHOLD#

PIDEA0H20H19

PIDEA1PIDEA2

J16

J17PIDECS1#PIDECS3#

J18

G17PIDED0

F20PIDED1

PIDED10E18E20

PIDED11

B13CPURST

B4DEVSEL#

FERR#;IRQ13IA12

A3FRAME#

IGNNE#C13

C14INIT

INTA#_M1F4

INTB#_S0F5G3

INTC#_S1;GPI27INTD#_S2;GPI28

G4G5

INTE#;GPI29H4

INTF#;GPI30;MOTOR_ON#

INTRB12

IRDY#D4

C12NMI

OSC14MD10

AD28F3F2

AD29

A8AD3

F1AD30AD31

G2

AD4B8

AD5C8D8

AD6A7

AD7AD8

C7D7

AD9

B7CBE0#CBE1#

A5B3

CBE2#D2

CBE3#

V13CLK32KO

AD13C6D6

AD14E6

AD15AD16

C3

AD17A2B2

AD18AD19

C2

AD2C9

A1AD20AD21

B1

AD22C1D3

AD23AD24

D1

AD25E3E2

AD26E1

AD27

1 3

U7

M1535+

A14A20M#

A9AD0AD1

B9

AD10E7A6

AD11B6

AD12

13

7

6

13

SDB3101

D517

3

32.768KHZX1

ID-T3-32

12 3

4

13

26

3030

TP5005

1813

R747

*

VCC3B

13

33

0R746

200

0

13

27

13

30

R767U16

VCC=VCC3B, GROUND=GROUND

4

56

18

18131813

73 5

12

89

10

13

13

SN74AHC08

*

RN3

8.2K

46

R171 33

0

1

10M

R691

TP4461

8

28

13

13 22

89

12 5

43

67

10

30

82

9

8.2K

RN501

2313

13

30

12

R172

3684521

101411913121516

17

16

13

RN504

33

7

33

R180 33

13

19

30

29

46

R174

TP4996

TP5035

1813

13

181318

2436578

161513141112109

3

2

6

1813

33

RN5061

13

13

C725

15pF

13

13

14

R217 33

17

7

1813

22

12

11

13

30

2

30

30

2

6

2

1

20

R764 33

30

2

13

14

13

13

13

33R766

30

TP5015

13

33R167

1713

13

18

10MR702

TP4968

13

17131713

1313

17 2313

13

13

TP4966

TP4967

TP4995

TP4977

18131813 45

TP5698

TP5016

TP4975

31

30

13

1813

TP5697

6

1513

2

1813

13

30

4513 22

30

4

30

1813 13TP5018

18

33R17913

TP4974

2

302927

22

1813

1813

TP4971

TP4972

TP5724

18

33R768

30

33R175

TP5723

13

1713

TP5721TP5722

TP5014

TP5719TP5720

17

TP5717TP5718

1813

TP5714TP5715

TP5716

TP5711TP5712

TP5713

TP5708TP5709TP5710

TP5705TP5706TP5707

TP5702TP5703TP5704

TP5699TP5700TP5701

TP5017

TP6070

TP6085

7

1813

1713

6

15

TP5745TP5746TP5754TP5788

TP5743TP5744

TP5739TP5740TP5741

TP5742

TP5737TP5738

TP5734TP5735TP5736

TP5731TP5732TP5733

TP5728TP5729TP5730

RTC_X2

TP5725TP5726TP5727

IDE_SDD3IDE_SDD2IDE_SDD1IDE_SDD0IDE_SDA2IDE_SDA1IDE_SDA0

IDE_SDIOW#IDE_SDIOR#IDE_SDDACK#IDE_SDDREQIDE_SDIORDYIDE_SDCS1#IDE_SDCS3#

RTC_X1

PCI_C_BE#(0:3)

IDE_PDD(0:15)

IDE_PDCS1#

IDE_PDDREQ

IDE_PDDACK#

IDE_PDIORDYIDE_PDIOR#

IDE_PDIOW#

IDE_SDD15IDE_SDD14IDE_SDD13IDE_SDD12IDE_SDD11IDE_SDD10IDE_SDD9IDE_SDD8IDE_SDD7

IDE_SDD6IDE_SDD5IDE_SDD4

PHLDA#

PHOLD#

PCIRST#PCIRST#_PCI

PCIRST#_LPC

PCIRST#PCI_SERR#

INTB#INTC#INTD#INTE#INTF#

RTC_X1

CLK32O

SUSCLK_SB

SB_PWRGD

SB_PWRGD

IDE_PDA2IDE_PDA1IDE_PDA0

IDE_PDCS3#

IDE_PDA2

IDE_PDCS1#IDE_PDDREQ

IDE_SDA0

IDE_SDA2IDE_SDA1

IDE_SDCS1#

IDE_SDIOR#

IDE_SDDREQ

IDE_PDCS3#

IDE_PDDACK#IDE_PDIORDYIDE_PDIOR#IDE_PDIOW#

IDE_SDIOW#

IDE_SDDACK#

IDE_SDIORDY

IDE_SDCS3#

RTC_X1

SUSCLK_SB

PCI_IRDY#

PCI_GNT1#PCI_GNT2#

INTA#INTB#

INTD#

DASP_1535

PCI_AD(0:31)

PCI_C_BE#(0:3)

IDE_PDD(0:15)

INTA#INTB#INTC#INTD#INTE#INTF#

CLK_SB14

RTC_X2

PHLDA#

CLK_USB48

PHOLD#

IDE_SDD7IDE_SDD6IDE_SDD5IDE_SDD4IDE_SDD3IDE_SDD2IDE_SDD1IDE_SDD0

IDE_SDD15IDE_SDD14IDE_SDD13IDE_SDD12IDE_SDD11IDE_SDD10IDE_SDD9IDE_SDD8

IDE_PDA0IDE_PDA1

PCI_REQ0#PCI_REQ1#PCI_REQ2#

PCI_DEVSEL#PCI_FRAME#PCI_PERR#PCI_SERR#PCI_STOP#PCI_TRDY#

CBACT#INTF#

INTC#

FNKEY_1535#

INTE#

CPU_A20M#1535_FERR#

CPU_NMICPU_INTR

CPU_INIT#

CPU_IGNNE#

PCI_TRDY#PCI_STOP#PCI_SERR#

PCIRST#

PCI_PARPCI_IRDY#PCI_FRAME#PCI_DEVSEL#

PCICLK_1535

FNKEY_1535# FN_KEY#

PCI_GNT0#

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Page 15: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

USB

PART 2/3X-BUS

AUDIO

KBD

SMBUS

FDD

SIO

PIO

IR

5 6

1 2

A

D

B

1

5

B

C

2

D

C

64

3 4

3

A

35

R736

10K

TP4470

36

36

10KR93 *

3410KR98

TP4469

TP4456

45

10KR708

4.7KR731

TP4473

12

TP4447

15 45

7

VCC5M_1535

R100 33

14

17

34

12

R753

10K

TP4451

15

13

R655

10K

R739

6

18

12

12

100KR709

10K

12

R117 33

4

7

11

R676 10K

8

87

965

12

43

10

12

2

33R116

4.7K

RN4

TP4457

12

1

34

4

R742 4.7K

14

7

RN503

4.7K

18

435

29

76

10

12 14

TP4458

VCC5B

VCC5B

9

12

R675

10K

0

45

14

33R92

TP5784

R111

TP5760TP5761

35

7

TP4454

10K

R115 33

12 14 16 29

12

35

5

12 14 36

33R102

48

VCC5B

22R719

R665 10K

VCC5B

R771

R99 33

TP4474

R757

4.7K

12

12 14

* 10K

17

TP4449

12

10KR686

4.7K

R758

33R112R662 33

4

R690 10K

23

1

TP5780

12 14

3

TP4471

12

BC848A

Q524

*

35

TP4459

5

TP4445

41

4

5

VCC5B

12

TP4450

TP5769

15

22

TP4463

10KR687

TP5774 33R118

TP5768

TP5764

21

TP5766

TP5762

8

TP5763

12

5

12

12

TP5758

TP5756

5

R104 33

6

12

12

48

TP4446

34

6

R97

R760

4.7K

16

1

10K

TP4453

33R663

22R724

0

15

1412 36

2

34

TP5779

R666

10K

*

12

12

34

41

35

TP5781

16

TP5770

15

TP5787

3

R730 4.7K

11

4141

2

45

67

89

10

12

4

TP4452

4.7K

RN6

12

3

45

VCC3B

10K

R732

12

29

TP5773

21

12

33R101

TP5767

R119 33

TP5765

7

14

9

R695 10K

22

TP4472

1

33R103

13

TP5782

TP5786

TP5759

R664 33

4.7K

R761

TP5785

10K

45

TP4448

33R120

R707

0

TP4462

4.7KR749

4.7K

R114

18

35

12

10

3

R701 10K

10

6

10K

R745

USBP3-;RSM_ENT6;GPI35;GPO42T8

L18WDATA#;RUN_ENT18;EGPIO2WGATE#;RUN_ENT17;EGPIO1

L19

WPROT#;EGPIO11M16

U20XD0XD1

U19XD2

U18Y20

XD3XD4

W20XD5

V20Y19

XD6

W19XD7

6

12

SMBALERT#;FANIN1;EM_OFFT2

SMBCLKT7

SMBDATAU7

SOUT1J5

K2SOUT2;RUN_ENT9;GPIO9

SPDIF_INU4

STEP#;RUN_ENT21;EGPIO5L17

P1STROB#

L20TRK0#;EGPIO12

USBP0+W8

USBP0-V8

U9USBP1+USBP1-

Y7

W7USBP2+;RSM_ENT5;GPI34;GPO41USBP2-;RSM_ENT4;GPI33;GPO40

V7

U8USBP3+;RSM_ENT7;GPI36;GPO43

U16SA13;EGPIO13;EEGPIO13SA14;EGPIO14;EEGPIO14

T16W15

SA15;EGPIO15;EEGPIO15

SA1;LAD1;RUN_ENT17;EGPIO1;ERUN_ENT17Y18

SA2;LAD2;RUN_ENT18;EGPIO2;ERUN_ENT18W18

SA3;LAD3;RUN_ENT19;EGPIO3;ERUN_ENT19V18Y17

SA4;RUN_ENT20;EGPIO4;ERUN_ENT20SA5;RUN_ENT21;EGPIO5;ERUN_ENT21

W17V17

SA6;RUN_ENT22;EGPIO6;ERUN_ENT22

U17SA7;RUN_ENT23;EGPIO7;ERUN_ENT23SA8;EGPIO8;EEGPIO8

T17SA9;EGPIO9;EEGPIO9

R17

H2SIN1

SIN2;RUN_ENT8;GPIO8K4

L5SLCT

SLCTIN#R3

N3PD4PD5

N4N5

PD6

M2PD7

M5PE

PRINIT#R2

PRNACK#M3

RDATA#;RUN_ENT16;EGPIO0M18

J2RI1#;BOUT1

RI2#;BOUT2;RUN_ENT15;GPIO15L1

RTS1#;CFG_PORTH1

K3RTS2#;KBC_EN;RUN_ENT10;GPIO10

V19SA0;LAD0;RUN_ENT16;EGPIO0;ERUN_ENT16

Y16SA10;EGPIO10;EEGPIO10SA11;EGPIO11;EEGPIO11

W16V16

SA12;EGPIO12;EEGPIO12

U12KBDATA;CCFT

V12KBINH;IRQ1I

T14MEMR#

U14MEMW#

K17MOT0#;EGPIO9MOT1#;EGPIO10

K18

MSCLK;FPVEET11

MSDATA;IRQ12IT12

T5OVCR0#;GPIO20;SEL_MODE0

OVCR1#;GPIO21;SEL_MODE1T6

U5OVCR2#;GPIO22;INC_CCFT;USBP4-

OVCR3#;GPIO23;DEC_CCFT;USBP5-U6

P2PD0PD1

P3PD2

N1N2

PD3

K20DRV1#;EGPIO8

M20DSKCHG#;RUN_ENT22;EGPIO6

DSR1#H3

K5DSR2#;RUN_ENT13;GPIO13

J3DTR1#

DTR2#;PS2_AT#;RUN_ENT11;GPIO11L2

ERROR#T1

FD_DIR#;RUN_ENT20;EGPIO4L16M19

HDSEL#;RUN_ENT19;EGPIO3

INDEX#;EGPIO13J20

T13IOR#;GPO27

U13IOW#;GPO28

L3IRRXIRRXH

L4

M1IRTX

KBCLK;DISPLAYU11

ACRESET#Y9

W9ACSDATA_IN0

Y8ACSDATA_IN1

U1ACSDATA_OUT

P4ACSYNC

R1AUTOFD#

BIOSA16;GPO26V15

BIOSA17;GPO25U15T15

BIOSA18;GPO24;CLK_OFF#

BUSYM4

CTS1#J4

K1CTS2#;RUN_ENT12;GPIO12

G1DCD1#

DCD2#;RUN_ENT14;GPIO14J1

DENSEL;EGPIO14J19

DRV0#;RUN_ENT23;EGPIO7K19

ACBIT_CLKP5

ACGAME0V1V2

ACGAME1

V3ACGAME2;GPIO16ACGAME3;GPIO17

W1W2

ACGAME4

W3ACGAME5ACGAME6;GPIO18

Y1ACGAME7;GPIO19

Y2

R5ACGP_DOWN#;RUN_ENT12;GPIO12

U2ACGP_MUTE#;RUN_ENT13;GPIO13

U3ACGP_UP#;RUN_ENT11;GPIO11

T4ACMIDI_RXDACMIDI_TXD

R4

LPC_AD3LPC_AD2LPC_AD1LPC_AD0

EM_OFF#

EM_OFF

GHI#_GPO40

U7

M1535+

LPT_ATFD#LPT_INIT#LPT_SLIN#LPT_STRB#

LPT_ACK#LPT_BUSY

LPT_ERROR#

MEMR#MEMW#IOR#IOW#IOR#

IOW#

MEMR#MEMW#

GPI24

GPI36GPI35

AC_SDATAIN0AC_SDATAIN1

EM_OFF

SA(4:18)

XD(0:7)

LPT_D(0:7)

SA(4:18)

XD(0:7)

AC_BITCLKRST_SYS#

CTS#

DCD#DSR#

DTR#

DTR2#

USBOC#

USBOC#

LPT_PE

COMRI#

RTS1#

RTS2#

RXD

LPT_SLCT

TXD

AC_BITCLKAC_RST#

AC_SDATAIN0AC_SDATAIN1AC_SYNC

AC_SDATAOUT

SMBCLKSMBDATA

USBP1+

USBP0+USBP0-

USBP1-

GPI36GPI35

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Page 16: LG Laptop Motherboard Schematic Diagram

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.com

PART 3/3

PMU1

PMU2

MISC

PWR

GND

6

2 4

4

D

B

D

KRC103S

C

A

B

A

5

3

31

1

C

5

15

VCC3B

15

2

KRC103S

2

15

VCC3M

VCC3B

TP4460

15

15

2

15

100KR236

22uF

C138

2

1

R712 4.7K

R680 0

R784 0

0.1uF

C730

*

15

VCC=VCC3B, GROUND=GROUND

U513

SN74AHC14

9 8

2015

VCC5B

100KR237

2927156 30 45

6

15

C723

0.1uF

46

R729 4.7K

15

VCC5B

2

TP5119

TP5120

ZZ;RATIO#

5715

TP5163

10KR723

R14

VCCR_5D0R7R13

VCCR_5D1

VCC_3BP15

F6VCC_3C0VCC_3C1

F7

VCC_3C2F14P6

VCC_3C3

E10VCC_5A0

G6VCC_5A1VCC_5A2

N6N15

VCC_5A3R15

VCC_5A4

VCC_F0G15K16

VCC_F1

F15VCC_G

E12

N16

SIRQIIP16

D12SLEEP#;GPO32

SLOWDOWN;GPIO21;SPDIF_OUTD9

SLPBTN#V10

SMI#A13

SPKRT19

Y13SPLED

V6SQWO

STPCLK#B14

W13SUSPEND#

T18THRM#

UPSPWRT10

V9USB_PWREN#;RSM_ENT2;GPI31;GPO38

R6VCCR_3E0VCCR_3E1

R8

VCCR_3E2

P20R16

PCS1;RUN_ENT6;GPIO6;CVROFF

W12PME#

PWRBTN#Y15

RI#V11

ROMKBCS#T20

RSM_ENT3;GPI32;GPO39T9

W10RSM_RST#

R20RTCAS

R18RTCDS

R19RTCRW

Y3RUN_ENT0;GPIO0;IN_STROB#

V4RUN_ENT1;GPIO1RUN_ENT2;GPIO2

W4RUN_ENT3;GPIO3

Y4

E4SCLK;PDMA_REQ#;RUN_ENT14;GPIO14

SIRQI

N17

N18GPO30;AEN

P19GPOW;GPO35

Y12IRQ8#

IRQSERN19

LB#;RSM_ENT0W11

P17LDRQ#;RUN_ENT4;GPIO4LFRAME#;RUN_ENT5;GPIO5

N20

LLB#;RSM_ENT1Y11

LRCLK;PDMA_GNT#;RUN_ENT15;GPIO15E5

V14OFF_PWR0;GPO36;SPDIF_OUT

W14OFF_PWR1;GPO37OFF_PWR2

Y14

B11PCIREQ#

B10PCI_STP#

PCMDATA;RUN_ENT10;GPIO10T3

PCS0#;GPO31

M9

N8GND30

N9GND31GND32

N10N11

GND33N12

GND34GND35

N13

GND4L12L11

GND5GND6

L10L9

GND7GND8

K12

GND9K11

M17GPI24;IOCHRDY

E9GPI25

GPIR#;GPO34P18

GPO29;PCS2#;BIOSA19

J9H8

GND16GND17

H9

GND18H10H11

GND19

M10GND2

H12GND20

H13GND21GND22

J8

GND23J13K8

GND24K13

GND25GND26

L8L13

GND27GND28

M8

GND29M13

GND3

Y10ACPWR;RSM_ENT8

AGP_BUSY#;GPI26;CBLID_PD11

AGP_STP#;GPO33;CBLID_SE11

CLKRUN#;GPIO20A11

CPU_STP#;GPO44C10

FANIN2;RUN_ENT9;GPIO9;USBP5+Y5

W5FANOUT1;RUN_ENT7;GPIO7;DPSLPVR

V5FANOUT2;RUN_ENT8;GPIO8;USBP4+

GND0M12

GND1M11

K10GND10

K9GND11GND12

J12J11

GND13J10

GND14GND15

214

15

U7

M1535+

45

15

15

13

57

*

R785

2K

15

584945231558492315

201515

0.1uF

C732

R735

10K

C717

0.1uF

*

R13

10K

C744

0.1uF

2

1

15

D1

SDB3101

*1 3

7

TP5128

C79

22uF

2120152215

0.1uF

C739

0R706

R681 0*

15

R744 82

1815

TP5148

VCC3B

VCC3M

15

57715

452715

VCC5M_1535

TP5145

TP5146

TP5147

TP5142

4515

TP5144

15

45

45

15

TP5141

C88

22uF2

1

R720

1K

TP5154

22152215

VCC3B

TP5139

1715

2016152015

TP5166

27

0.1uF

C738

15

17

0R672 0

4 45

R830 0

*R135

7

15

45

15

451521

2015

*

15

45

45

TP5138

C727

0.1uF

100KR189

D513

SDB3101

*1 3

6

TP6080

15

C740

0.1uF

TP6074

TP6077

TP6078

TP5993

TP6059

TP6073

10KR773

VCC3B

TP5789

15

0.1uF

C734

0.1uF

C735

0R671*TP5135

TP5152

15

15

TP5137

TP5133

TP5134

2

1

15

15

20152015

TP5131

15

22uF

C170

TP5156

VCC3M

2

57

10KR715

TP5121

TP5812

TP5155

TP5813

TP5164

TP5791

R713 4.7K

TP5129

15

* 0R129

VCC3B

VCC5M_1535

TP5162

45

15

45

TP5159

TP5160

TP5161

15

TP5149

TP5150

TP5151

R700

10K*

VCC3M

15

14

15

7

*

0.1uF

C721

15

TP5140

10K

R718

3815

TP5814

15

TP5815

23

1

VCC3B

TP5157

TP5790

R162 100K

22K

22KQ527

22K

22KQ530

23

1

15

15 TP5126

TP5127

15

15

1515

TP5124

TP5125

6

0R772

15

15

45

C741

0.1uF

15

TP5123

0R778

10KR714

15

R780 82

TP5165

15

TP5122

C103

22uF2

1

15TP5130

15

2

C720

0.1uF

0.1uF

C719VCC5M_1535

15

2

15

15

0.1uF

C736

VCC3B

VCC=VCC3B, GROUND=GROUND

U513

SN74AHC14

11 10

15

15

15

R694 4.7K

8.2K

C742

0.1uF

VCC3B

45

C722

0.1uF

R781

15

0R113

15

TP5158

4515

2015

C718

0.1uF

RTC_ASRTC_RW#RTC_DS

LPC_FRAME#UBAY_RST#KBC_RST#DPRSLPVR

TP5118

1535_THRM#

GPO35GPO34SQWO

A20GATEGPO30

RESETIDE#

1535_SPKRSERIRQ

IDE_IRQ14IDE_IRQ15_UBAY

GPO29SA19PCS1#PCS0#ROMCS#

SLOWDOWN

PWRBTN#SLPBTN#

B_ONA_ON

SPLEDLB#

BATLOW#ACPWR

PCI_PME#PM_RI#IRQ8#H8_SCIH8_WAKECLKRUN#

PCISTP#GHI#_GPO21

PCI_ACT_REQ#

PCISTP#

CPUSTP#

KBC_RST#

PM_CPUPERF#

UBAY_RST#

1535_SPKRDASP_1535

FNKEY_1535#SERIRQCBACT#

IDE_IRQ14IDE_IRQ15_UBAY

GHI#_GPO40

GHI#_GPO21SLOWDOWN

CPU_DPSLP#

CPUSTP#

PM_CPUPERF#

CPUSTP#CPU_DPSLP#

PM_RI#

BATLOW#H8_WAKE

PWRBTN#H8_SCI

VGATE

GPI24A20GATE

DPRSLPVR

AGPSTP#

GPO29

ROMCS#PCS0#PCS1#SA19

SERIRQ

H8_SCI

SPLED

CPU_SMI#CPU_STPCLK#CPU_SLP#

GPO35GPO34SQWO

RESETIDE#

RTC_ASRTC_RW#RTC_DS

LPC_FRAME#

SLPBTN#

LPC_FRAME#

CLKRUN#

AGP_BUSY#

SERIRQ

H8_WAKE

GHI#_GPO21PCI_ACT_REQ#

GPO30

ACPWR

IRQ8#

LB#BATLOW#

PCI_PME#

SLPBTN#

AGP_BUSY#

CLKRUN#

RST_SYS#

PM_RI#

PWRBTN#

AGPSTP#

CPUSTP#PCISTP#

1535_THRM#

SUSTAT#

B_ONA_ON

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Page 17: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

B B

C

3

3

A

4 6

41 2 5

1

6

2

A

D

C

D

VCC3B

VCC3AUX

22

67

01

23

45

VCC3M

47TP5816 1436

R69

10K

R590

10pF

C64

0.01uF

36

C65

0.01uF

C63

TP5171

VCC5B

C66

0.01uF

16TP5169

16TP5170

2014

TP5167

16TP5168

6789

1636

1616

VCC3B

2829

3

30313233343536373839

4

40

5

1213141516171819

2

20

21222324252627

XD(0:7)

CONN_40P_D

J71

1011

AC_SDATAIN1

AC_BITCLK_MDC

AC_SYNC

AC_RST#

MDM_ID#

AC_SDATAOUT

MDM_SOUND

IOW#PCS1#

AC_BITCLK_MDCMDM_SOUNDMDM_ID#

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Page 18: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

54 6

A

B

C

2

D

4 63

A

B

C

21

1

3

TP4498

13

VCC5B

13

13

TP4492

13

TP5747

TP4497

1313

13

0R389

TP4490

TP4491

13

TP4486

TP4487

TP4488

TP4489

TP4484

TP4485

13

1313131313

17

TP4483 13

13

TP4499

1313

13

*

0.01uF

C764

13

17

15

TP4494

13 10uF

C859

13

13

13

13

13

TP4493

13

0R82918

13

17

VCC=VCC3B, GROUND=GROUND

U513

SN74AHC14

34

13

1715

13 17

13

1713

R948

10K

13

TP6058

TP6084

13

13

0.1uF

C864

6

175.6KR925

TP4496

67 89

VCC=VCC5B, GROUND=GROUNDSN74LS08

U144

5

3435 3637 3839

4

4041 4243 44

45 46

5

19

2

2021 2223 2425 2627 2829

3

3031 3233

J15

CONN_44P_HDD

1

1011 1213 1415 1617 18

13

VCC3B

C865

0.1uF

D515

SDS2836F

1

23

18

1713

45

39

10KR86413

13

13

15

1313

13

10KR395

4.7KR937

IDE_PDD(4)IDE_PDD(3)IDE_PDD(2)IDE_PDD(1)IDE_PDD(0)

DASP_HDD#

IDE_PDD(8)IDE_PDD(9)IDE_PDD(10)

IDE_PDD(12)IDE_PDD(13)IDE_PDD(14)IDE_PDD(15)

13IDE_PDA0IDE_PDCS1#DASP_HDD#

DRIVE_ACT

SB_PWRGD

RESETIDE#

DASP_HDD#

DASP_UBAY#

PCIRST#

DASP_1535IDE_PDD(7)IDE_PDD(6)IDE_PDD(5)

IDE_PDA2IDE_PDCS3#

IDE_IRQ14

IDE_PDD(7)IDE_PDD(6)IDE_PDD(5)IDE_PDD(4)IDE_PDD(3)IDE_PDD(2)IDE_PDD(1)IDE_PDD(0)

IDE_PDD(8)IDE_PDD(9)IDE_PDD(10)IDE_PDD(11)IDE_PDD(12)IDE_PDD(13)IDE_PDD(14)IDE_PDD(15)

IDE_PDDREQ

IDE_PDDREQIDE_PDD(7)IDE_IRQ14

IDE_PDIORDY

IDE_PDIOW#IDE_PDIOR#IDE_PDIORDYIDE_PDDACK#

IDE_PDA1

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Page 19: LG Laptop Motherboard Schematic Diagram

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1 2 3 4 5 6

1 2 53 4 6

A

B

C

D

A

B

C

D

67 89

TP5173

18

41 4243 4445 4647 4849

5

50

51 5253 54

27 2829

3

3031 3233 3435 3637 3839

4

40

11 1213 1415 1617 1819

2

2021 2223 2425 26

13

VCC5B

CONN_54P_BAY

J121

10

18 13

13

13 18

5.6KR76313

*R197 0

1313

VCC3B

18

13

36

VCC5BR200 0

0.01uF

C113

1313

13

13

1518

1718

13

13

C112

0.01uF

1317

13

TP6079

TP5818

36

13

13

R756 4.7K

1313

15

10KR192

13R759 10K

13

13

1

230

R828

18

0

13

13

U14

SN74LS08VCC=VCC5B, GROUND=GROUND

*

13

R738

36TP5817

13C185

0.01uF

36

17

13

1KR751

TP5819

IDE_SDA2IDE_SDA0IDE_SDA1IDE_IRQ15_UBAY

IDE_SDDACK#IDE_SDIORDYIDE_SDIOW#

IDE_SDIOR#IDE_SDDREQIDE_SDD0IDE_SDD15

CDSPKR_R

IDE_SDD1IDE_SDD14IDE_SDD2IDE_SDD13IDE_SDD3IDE_SDD12IDE_SDD4IDE_SDD11IDE_SDD5IDE_SDD10

CDSPKR_L

CDSPKR_R

UBAY_RST#

PCIRST#

DASP_UBAY#

AUDIO_RTN

IDE_SDIORDY

IDE_IRQ15_UBAY

IDE_SDDREQIDE_SDD7

IDE_SDD6IDE_SDD9IDE_SDD7IDE_SDD8

DASP_UBAY#IDE_SDCS3#IDE_SDCS1#

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Page 20: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

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66 MHz11

A

1: Disable / 0: Enable

4

AD28 : Enable Spread Spectrum

PCI_CBE3# : Production Test

C

00

AD(31:30)FSB Speed

1: Test Mode / 0: Normal Mode

A

AD21 : Clock Bypass

1: Reduced Set / 0: Full Set

100 MHz

FP_ID3AD11 : Flat Panel ID3

1

AD14 : P4 Voltage Detection

133 MHz

166 MHz

3

FP_ID0

AD10 : Flat Panel ID2

1: Disable / 0: Enable

AD1 : CPU Reset Forced to Be Shortened

6

1: Int. Clock / 0: Ext. Clock

1 : Disable / 0 : Enable

AD0 : Default CFG for GC_Enable bit & AGPCLKOUT

AD3 : A-Link Enable

4

5

1: 27MHz REF Input / 0: PCICLK5 Output

AD26 : Disable Bus Parking

1: IOQ=12 / 0: IOQ=1

PCI_CBE0# : Reserved

10

RS200M Strapping Options

2

AD20 : PCI Clock Expansion (REQ3# & GNT3#)

AD25 : Disable BINIT# Observations

3

1

1: Test Mode / 0: Normal Mode

PCI_ACT_REQ# : Internal Clock Generator Enable

AD29 : Strap Configuration

1: PCICLK3 & PCICLK4 / 0: REQ & GNT Pair

1: Enable SS / 0: Disable SS

B

FP_ID4

01

1: A-Link / 0: PCI-33

AD27 : Disable MCERR# Observations

1: Disable / 0: Enable

1: ’0’ & 66MHz AGP / 0: ’0’ & 33MHz PCI

FP_ID(0:4)

AD2 : Auto Calibration Enable

FP_ID2

AD24 : Enable IOQ Pipelining

AD4 : Flat Panel ID0

5

12

AD(31:30) FSB Clock Speed

FP_ID1

2

D

AD12 : Flat Panel ID4

AD5 : Flat Panel ID1

1: Normal / 0: Production Test

B

1: 1.7V DT CPU / 0: 1.2V NT CPU

C

AD22 : REF27 Function

Set to 0 (only for A11,A12, A13)

2.7KR106

R657 2.7K*

31

3

2

1

R644 2.7K* R643 2.7K

R90 2.7K

25

2.7KR94

2.7KR636 * 2.7KR632

2.7KR81

27

2.7K

2.7KR80 *

24 24

22

R624

30

22

14

2.7KR693

2.7KR96 *

6 131927 29 30

R727 2.7K

2.7KR95 *

*

30

5

4

0

2.7KR638

R88 2.7K 26

* 2.7KR640

R83 2.7K R84 2.7K*

*

21

28

29

6

2020

21

R629 2.7K

5

4

3

2

1

0

7

2.7KR689 *

7

6

*

R650 2.7K

R645 2.7K*

R734 2.7K

R722

R647 2.7K

2.7KR711

2.7K

2.7KR717 *

2.7KR728

R703 2.7K

* 2.7KR716

*

R710 2.7K*

2.7KR721

* 2.7KR698

R153 2.7K

2.7KR704

R155 2.7K*

2.7KR697 * 2.7KR692

VCC3B

R684 2.7K

2.7KR705 * 2.7KR699

R688 2.7K*

R679 * 2.7KR674142.7K

R123 2.7K R107 2.7K*

PCI_C_BE#(3)

PCI_C_BE#(0)

PCI_ACT_REQ#

PCI_AD(0:31)

19

12

6 15

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Page 21: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

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0X370h

CLK32O

ACTIVE LOW TO

MODEDEFAULT

INTERNAL AEN

PENTIUM II

HIGH

IOCHRDY &

LB#

TEST MODEFUNCTIONS

H,H-NORMAL OPERATION

DISABLETEST MODE

DEFAULT

CHIP TEST MODE

4

MODEMODE

ATXFLASH ROM

POWER

C

2

K7 MODE

ROM SIZE

A

POWER OFFMODE

DEFAULT

D

H,L-DISABLE ALL FUNC. INTHIS CONFIG. DEFAULT:H,L

TEST MODEDEFAULT

DEFAULTDEFAULT

DISABLE

6

DEFAULT

A

KEYBOARD

KEYBOARD

1

FUNCTIONS

CHIP TEST

PCS0#

KEYBOARD PS20X3F0h

INTERNALSIO BASE

C

ADDRESSSIO BASE

DTR2# ROMCS# GPO35RTS1#

INTERNAL

H,H-ENABLE LPC FLASH

ROM MODEENABLE

ENABLE

4

PULL AT32K CLOCK GPI24 &

MODE ENABLE

3

L,L-RESERVED

ENABLE 4Mb

ACTIVE HIGH TO

H,L-SUPER IO TEST MODE

SELECTIONL,L-USB TEST MODE

DEFAULT

DEFAULT

B

LOW

1

POWER

SQWO

PENTIUM/INTERNAL

L,H -AUDIO/MODEM

DEFAULT

5

SPLED

KEYBOARDAT MODE

PULL

DEISABLE

RTS2#

2

GPO30 GPO29

MODE

PCS1#

3

DISABLE

VCC5B VCC5B

B

GPO34

ADDRESS GPO30 4Mb FLASH

ROM

32K CLOCK DEFAULT : H,H

FLASH ROM MODE

L,H-ENABLE 8Mb Flash

POWER OFF

R185

10K

VCC5B VCC5B

1515

*10K

R181

10K

R725

10K

R769R184

10K*

R187

10K

*

10K

R188

VCC5M_1535

*10K

R774

10K

R651

VCC5B VCC5B VCC5B

1515

*

R654

10K

*

R743

10K

1515

*10K

R659

*

R779

10K

VCC5B VCC5B

R726

1K*

10K

R770

VCC5B

*10K

R183

10K

R182

12121213

VCC5M_1535

R777

10K

R186

10K*

1K

R682 R775

10K*

10K

R740

1K

R737

*

R685

10K

R658 R750

1K

VCC5B VCC5M_1535

1515

4.7K

*

R652

10K

1515

R653

2.2K

RTS2#RTS1#CLK32OSPLEDSQWOPCS1#PCS0#GPO34LB#GPO30GPO29ROMCS#GPO35

DTR2#

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Page 22: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

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2

2 5

A

3

1 3 4 5

B

C

D

A

B

41

C

6

22

3

VCC5B

14

15

16

8

10

4

5

2

0

14

0.1uFC299

6

7

45

VCC5B

45

C297 0.1uF

13

9

7

4545

37

46VSS0

27VSS1

11WE#

17

5

6

11

12

45

33DQ2DQ3

3538

DQ4DQ5

40

DQ64244

DQ7

30DQ8

32DQ9

NC09

10NC1

13NC2

NC314

OE#28

12RESET#

RY_BY#15

VCC

A3A4

21

A52019

A6A7

188

A87

A9

BYTE#47

CE#26

DQ02931

DQ1

DQ1034

DQ113639

DQ12DQ13

41

DQ1443

DQ15_A125

A024

A1

A1065

A11A12

4

A1332

A141

A1548

A1617

A17A18

16

A22322

45

14

14

20

45

U22

AM29F800BT_70E

SA(4:18)

LPC_AD3LPC_AD2LPC_AD1LPC_AD0

PCIRST#_LPCROMCS#MEMR#

MEMW#

XD(0:7)

SA19

1

18

4

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Page 23: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

4

1 2 3 4 5 6

1 2 3 5 6

A

BR236 VISIBLE LOCATION

RTC Circuitry

2P_RTC_CONN

5%

A

5%

C

D

B

C

R209 1K

VCC_RTC

1uF

C177

R206

10K

VCC5M_1535

*R205 0

0.1uF

C167

15

22

3

VCC3M

TP5792

15

0

RTCVCC

TP5821

TP5793

TP5175

12

34

TP5820

2

TP5176

TP5178

J14

CONN_2P_SPKR

0R190*

1KR219

6

5

0

R199

VBAT20

VCC24

R196

270

*

AD5910

AD6AD7

11

AS1413

CS#

DS17

12GND0GND1

16

22HBANK IRQ#

19

2OSC1OSC2

3

21RCLR#RST#

18

15R_W#

TEST1

13

U9

BQ3285LD

2332K

4AD0AD1

56

AD2AD3

78

AD4

C751

0.1uF

15

VCC_RTC

R191 0*15

RTCVCC

TP6057

4

C757

10pF

VCC5B

5%

32.768KHZ

X503

ID-T3-32

12 3

10K

R215

VCC5B

10MR805

1

R213

10K

1

23

RB425D

D111

23

10pF

C752

13

D12

RB425D

R195

820*

22

21

4

TP5179

TP5177

XD(0:7)

45

7

RTC_AS

IRQ8#

MOTRTC_X2

SUSCLK_SB

MOT

RTC_DSRTC_RW#

LPC_AD1

RTC_RST#

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Page 24: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

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Locate close to CPU

5

A

B

C

5

D

A

4

B

C

2 31

1 3 4

6

2

C181

1uF

45

VCC5M

20K

R276

*

45

*

TP5190

TP5192

1K

R271

*

20K

R214

20K*

R243

200*

*57

R242

R239 0*

TP5196

0R220

2N7002

Q33 *3

1

2

23

VCC=VCC5M, GROUND=GROUND

SN74LS08

U11*

1

23

45

R224 33K

TP5185

R587 0

TP5189

23

R246

10K

*

TP5199

VCC=VCC5M, GROUND=GROUND

SN74LS08

U11 *4

56

R225 0*

0R221

R250

58

68KR277 *

45

46

VCC3B

2.2K

2

45

100K

R275

TP5182

2N7002

Q514

3

1

23

Q42

2N7002

*3

1

2

*

46

4.7uF

C191

*

*

R223

10K

R229 045

VCC5M

45

45234

10KR226

VCC=VCC5M, GROUND=GROUND

*10

98

45

*2

3

1

45

13

U11

SN74LS08

C188

4.7uF*

Q36

BC848A

45

10K

R253

*

R296 *

58

TP5193

R258

15K*

0

3

1

TP5191

1KR255TP5184

BC848A

Q43 *

2

VCC=VCC3B, GROUND=GROUND

U16

SN74AHC08

10

98

TP5186

2

R227

51K

R257 0

TP5195

0R848

TP5198

*

BC848A

Q30 *

23

1

R228 *

0.47uF

C178

TP6087 TP6088

VCC2_5A

VCC1_8B

51

0

TP6055

TP6056

TP6086

SB_PWRGD

VCC5M

TP6053 TP6054

H8_CPUPWRGD_ON#

VGATE

SB_PWRGD

A_ON A_ON_3

NB_PWRGD

CPU_PWRGOOD

VGATE

B_ON_3 B_ON_3

VCC2_5BGDVCC1_8B_ON

H8_VCC1_8B_ON

B_ON_3B_ON

VCC1_8BGDCPUCOREVCC_ON

H8_CPUCOREVCC_ON

H8_NBPWRGD_ON

NB_PWRGD

H8_SBPWRGD_ON

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Page 25: LG Laptop Motherboard Schematic Diagram

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1 2 3 4 5 6

1

C

D

2 3 4 5 6

A

B

A

B

C

432 1

TP5214

550 OHMPLP3216S551SL2T1

CHK3 *12

3 4

29

24

CHK505

PLP3216S551SL2T1550 OHM

7

24

550 OHMPLP3216S551SL2T1

CHK4*

123 4

10uF

*

C680

CHK112

3 4

VCC5M

TP5219

R621

100K

550 OHMPLP3216S551SL2T1

TP5202

7

24

24

1KR249

LCD_GND

TP5201

22K

22K

KRC103S-T1(NC)22-222

3

1

7

24

SW1

SPPW81-6.55-A2

12

34

Q519TP6052

7

L13HH-1M2012-221JT

220 OHM

R618

10K

7

3324

7

TP5200

HH-1M2012-121JT

L519 120 OHM

SN74AHC14

U513

VCC=VCC3B, GROUND=GROUND

5 624

24

24

24

24

600 OHMHB-1M1608-601JTL521

0.1uF

C70

24

24

24

0.1uF

C12

242424

24C689

0.1uF

7

2424

24

24

0.1uF

C763

3324

220 OHM L7HB-1M1608-221J

24

24

CHK504

PLP3216S551SL2T1550 OHM

432 1

P2

TP5804

TP5206

2450515253545556575859

6

60

789

P1

36373839

4

40414243444546474849

5

212223242526272829

3

303132333435

1

10111213141516171819

2

20

33

0.1uF

C676

CONN_60P_LCD_2

J9

0.1uF

C677

TP5801

29

24

PLP3216S551SL2T1550 OHM

*43

2 1

220pF

C678

CHK502

TP5220

24

24

VCC_LCD

VCC3A

TP5822

TP5217

TP5218

TP5796

24

C679

0.047uF

100K

R818

VCC3B

6

TP5794

TP5209

C682

220pF

7

TP5208

TP5215

SN74LS08VCC=VCC5B, GROUND=GROUND

13

1211

7

TP5207

LCD_GND

7LCD_GND

29

VCC_LCD

29

VPOWERRAIL

U14

TP5828

C683

0.1uF

TP5826

TP5211

24

7

TP5827

VCC5B

TP5825TP5808

TP5807TP5823

TP5824

77

C686

0.1uF

7

7

TP5803

2433

TP5805TP5806

R819

TP5802

24

TP5799TP5800

100K

32 1

TP5797

TP5798

550 OHMPLP3216S551SL2T1

CHK503 *4

TP5203

TP5204

TP5205

TP5795

SI3443DY

1256

3

4

24

550 OHMPLP3216S551SL2T1

CHK212

3 4

Q520

L520HB-1M1608-601JT

600 OHM

TP5213

6

220pF

C681

7

24

TP5212

TP5210

CHGLEDGSUS_LED

WIRELESS_GRNN#WIRELESS_GRNP

PANEL_ID0PANEL_ID1PANEL_ID2PANEL_ID3

BKLENBRIGHTNESS

CLOSED#

CLOSED#_H8TP5216

PANEL_ID0PANEL_ID1PANEL_ID2PANEL_ID3

CLOSED#

BKLEN_LCDBRIGHTNESS_LCD

DRIVE_LEDNUM_LEDCAPS_LED

CHGLEDR

ENAVDD

CLOSED#_H8

TXOUT_U0+

TXOUT_U1-TXOUT_U1+

TXOUT_U2-TXOUT_U2+

TXCLK_U-TXCLK_U+

BKLEN_LCDBRIGHTNESS_LCD

DRIVE_LEDNUM_LEDCAPS_LED

CHGLEDG

CHGLEDR

SUS_LED

WIRELESS_GRNPWIRELESS_GRNN#

ENABKL#BKLEN

BKLEN_LCDBKLEN

BRIGHTNESS BRIGHTNESS_LCD

TXOUT_L0-TXOUT_L0+

TXOUT_L1-TXOUT_L1+

TXOUT_L2-TXOUT_L2+

TXCLK_L-TXCLK_L+

TXOUT_U0-

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Page 26: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

5 61

6432

A

D

B

C

D

B

7

5

C

1

A

32 4

6.8K

R531

10pF

C527

R507

VCC5B

R532

C524

10pF

33C522

0.1uF

0

47pF

C526

TP5225

TP5226

4.7K

R508

R511

6.8K

7

TP5224

R8

75

1%120 OHM

HH-1M1608-121JTA

R11

10K

*

VCC3B

HB-1M1608-800JT80 OHML4

L501

L3 80 OHMHB-1M1608-800JT

1

23

D505

SDS70001

23

456789

CRT_GND

D507

SDS7000

J4

CONN_15P_CRT

1

101112131415

1617

23

SDS7000

D3

1

23

TP5880

miniSMD110

F21 2

VCC5B_CRT

TP5830

TP5879

VCC5B_CRT

TP5877

TP5878

TP5829

TP5876

R512

4.7K

TP5221

7

TP5223

TP5875

1

2

SDS7000

D506

1

23

7

23

7

2N7002

Q503

3

CRT_GND

VCC5B_CRT

SDS7000

D504

1

C10

10pF

33R506

CRT_GND

10pF

C523

1

23

T5

C520

47pF

CRT_GND

D503

RB425D

VCC3B

10K

R510

*

10K

R12

*

0.1uF

C529

10K

*

Q502

2N7002

3

1

2

0.01uF

7

R509

R10

75

1%

C8851

23

1%

75

R9

PIO_GND

D4

SDS7000

VCC=VCC5B_CRT, GROUND=GROUND

1

23

HB-1M1608-800JT80 OHML2

1%R1 51

U501

SN74AHC08

TP5227

TP5228

TP5229

SDS70001

23

C525

10pF

C11

D2

SN74AHC08

U501

VCC=VCC5B_CRT, GROUND=GROUND

4

56

10pF

1%R2 51TP5990

T6

L5HH-1M2012-221JT

220 OHM

7

10pF

C9

R514 010pF

C521

T1

VCC5B_CRT

CRT_GND

TP5831

CRT_BLUE

CRT_GREEN

CRT_RED

CRT_HSYNC

CRT_VSYNC

DDDA

DDCK

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Page 27: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

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A

D

C

B

A

B

C

1 2 3 4 5 6

1 2 3 4 5

TP5255

TP5256

TP5288

TP5259

TP5275

TP5279

27

TP5293

1

0

TP5296

TP5238

TP5239

TP5292

TP5272

TP5286

TP5231

TP5277

TP5257

TP5271

TP5267

TP5268

TP5241

TP5242

TP5843TP5844

TP5283

TP5266

4

TP5840

TP5841

TP5289

TP5276

TP5287

25

24

TP5269

TP5270

29

27

TP5839

TP5234

28

28

2728

2828

TP5838

TP5274

27

27

2828

TP5237

TP5265

TP5264

27

TP5273

TP5298

TP5842

TP5240

27

9

2828

TP5297

TP5236

22

11

28

2

28

C731

10uF

TP5235

8

27

27

5

21

3

TP5294

TP5295

TP5262

TP5291

27

27

28

2727

2828

TP5258

TP5278

0R20730

2727

31

30

30

2

0

26

*

TP5232

TP5233

45

27

TP5285

TP5230

22

TP5260

TP5282

27

TP5284

27

TP5253

TP5254

27

TP5263

27

TP5250

27

TP5245

TP5246

TP5299

15

27

TP5243

TP5244

0.1uF

C748

16

VCC3M

28

21

VCC_SLOT

7

28

27

27

28

9

10K

R222

7

6

27

13

12

27

TP5261

20

28

TP5290

27

1627

12562VR_TEST

11

10

27

23

22

21

31

65SUSPEND#

TRDY#29

VCC012

VCC13254

VCC2VCC3

70104

VCC5126

VCC6VCC7

137

VCCCB 109

VCCD0# 73

VCCD1# 74

36VCCP

71VPPD0VPPD1 72

VR_EN#

28

MF05859

MF1

63MF2MF3

64MF4

6768

MF5

69MF6

35PARPCICLK

20

PCIRST#19

33PERR#

REQ#1

57RIOUT#_PME#

SERR#34

SPKROUT61

STOP#

37C_BE2#

26C_BE3#

13

30DEVSEL#

27FRAME#

8GND0

21GND1

40GND2

60GND3GND4 80

GND5 93

GND6 112

GND7 132

2GNT#

66GRST#

14IDSEL

IRDY#

110

CLK_4885

CPAR 100

CPERR# 102

CREQ# 122

CRST# 119

CRSVD1 84CRSVD2 99CRSVD3 143

CSERR# 133

CSTOP# 103

CSTSCHNG 135

CTRDY# 108

CVS1 130CVS2 117

C_BE0#47

C_BE1#

87CAD9 89

CAUDIO 134

CBLOCK# 101

CCCLK 107

CCD1# 75CCD2# 138

CCLKRUN# 136

CC_BE0# 88CC_BE1# 98CC_BE2# 113CC_BE3# 124

CDEVSEL# 106

CFRAME# 111

CGNT# 105

CINT# 131

CIRDY#

120CAD22 121CAD23 123CAD24 127CAD25 128CAD26 129CAD27 139CAD28 140

141CAD29

CAD3 81

142CAD30CAD31 144

CAD4 79CAD5 83CAD6 82CAD7 86CAD8AD8

45AD9

CAD0 76CAD1 78

CAD10 90CAD11 91CAD12 92CAD13 94CAD14 96CAD15 95CAD16 97CAD17 114CAD18 115CAD19 116

77CAD2

CAD20 118CAD2117

AD221615

AD23

11AD24AD25

10AD26

9AD27

76

AD28AD29

5

52AD3

AD3043

AD31

51AD4AD5

50AD6

4948

AD7

46

56AD0

55AD1

44AD10

43AD11AD12

42AD13

4139

AD14

38AD15AD16

2524

AD17

23AD18AD19

22

AD253

18AD20AD21

5

27

30

0

PCI1510

U511

23

30

27

13

VCC3A30

TP5281

27

24

2727

TP5252

14

10

TP5280

TP5247

27

TP5249

3

TP5251

20

27

2915 3045

30

27

27

2

8

13

1

30

3

4

28

C169

220pF

27

4

C87

220pF

1

27

27

11

10

20

6

45

26

19

27

17

31

15

14

R208 0

12

19

C150

1000pF

27

15

1

0

30276 13

27

27

30

8

18

7

9

29

27

47

26

27

30

* 0R733

18

R696

TP5248

TP6050

TP6051

VCC3M

27

13

13

17

12

25

2827

27

1KR138

14

30

18

6

23

30

613 29 30

271uF

C743

27

27

17

3

2

5

100R193

27

27

R194

TP6081TP6082

25

3827

TP6049

7

1K

27

27

19

27

45

24

C733

0.1uF

R741 10K

R754

15

13

31

GROUND=GROUND, VCC=VCC3M

U10

PI74ST1G125

1

2 4

27

1K

27

30

27

30

27

29

CBLOCK#CCD2#CCD1#CVS2CVS1CB_D2CB_A18CB_D14VCCD0#VCCD1#VPPD0VPPD1

16

CCCLKCRST#

CDEVSEL#CFRAME#CIRDY#CTRDY#CPERR#CSERR#CSTOP#CINT#CREQ#CGNT#

CCLKRUN#CSTSCHNGCAUDIO#

CCBE3#CCBE2#CCBE1#CCBE0#CPAR

CCBE3#

PM_PCIRST#CB_PWRDN#CB_SPKR

SHDN_2211#OC_2211#

CAD(0:31)

CAD(0:31)

PCI_PME#

PCI_IRDY#PCI_FRAME#

CVS1CB_D2

CPERR#

CAUDIO#

CINT#CSTOP#

CB_A18CB_D14

CDEVSEL#

CGNT#

CSERR#

CTRDY#

CREQ#

CCLKRUN#

CIRDY#CFRAME#

CCBE2#CCBE1#CCBE0#

CSTSCHNG

CVS2

CRST#

CBLOCK#

VPPD0VCCD1#VCCD0#

PCI_PERR#

CB_SPKR

PCI_REQ0#PCI_STOP#

CB_PWRDN#

PCI_GNT0#

PCI_SERR#

PCICLK_CB

CBACT#

SERIRQ

OC_2211#INTB#CB_GRST#

PCI_TRDY#

PCI_DEVSEL#

PCI_AD(0:31)

CCCLKCPARPCI_PAR

CLKRUN#

PCI_AD(23)

CCD1#CCD2#

PCIRST#_PCIPM_PCIRST#

SHDN_2211#

PCIRST#_PCI

RST_CONTROL#

PM_PCIRST#

PCI_C_BE#(0:3)

VPPD1

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Page 28: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

CARD_BCARD_A

B

C

1

D

28

C

A

3 4 5 6

1 2

A

B

3 4 5 6

2

C179

0.1uF

R817 33K

27

2727

28

27

63.4K

R820

1%

0R646

0.1uF

C754 C137

0.1uF27

27

27

R783 10K

27

27

C755

1uF

27

TP6090

28

2827

VCC_SLOT

0.1uF

C762

FGND9

A1

GND0

A2

GND1

GND2

A74

A75

GND3

B1

GND4

B2

GND5

GND6

B74

B75

GND7

HGND0

P1

HGND1

P2

P3

HGND2

HGND3

P4

HGND4

P5

P6

HGND5

B48

FGND0

A9

FGND1

A17

FGND10

B25

FGND11

B33

FGND12

B43

FGND13

B51

B59

FGND14

B67

FGND15

A25

FGND2

A33

FGND3

A43

FGND4

A51

FGND5

FGND6

A59

FGND7

A67

B9

FGND8

B17

B_CIRDY#

B_CPERR#B45

B_CREQ#B19

B_CRST#B23

B21B_CSERR#

B44B_CSTOP#

B12B_CSTSCHG

B_CTRDY#B35

B39B_CVCC1B_CVPP1

B37

B57B_CVS1

B26B_CVS2

B38B_NONE

B47B_PAR

B6B_RSVD1

B64B_RSVD2B_RSVD3

B_CAD8B58

B_CAD9

B_CAUDIOB14

B_CBLOCK#B46

B61B_CC;BE0#B_CC;BE1#

B49

B_CC;BE2#B31B16

B_CC;BE3#

B73B_CCD0#B_CCD1#

B3

B36B_CCLK

B_CCLKRUN#B4

B_CDEVSEL#B41

B32B_CFRAME#

B42B_CGNT#

B_CINT#B40

B34

B_CAD21B22

B_CAD22B_CAD23

B20B18

B_CAD24B_CAD25

B15

B_CAD26B13B11

B_CAD27B_CAD28

B10B8

B_CAD29

B68B_CAD3

B7B_CAD30B_CAD31

B5

B_CAD4B69B65

B_CAD5B66

B_CAD6B_CAD7

B63B62

A64A48

A_RSVD3

B72B_CAD0B_CAD1

B70

B_CAD10B60B56

B_CAD11B_CAD12

B54B55

B_CAD13B52

B_CAD14B_CAD15

B53B50

B_CAD16B_CAD17

B30

B_CAD18B29B28

B_CAD19

B_CAD2B71

B_CAD20B27B24

A_CINT#

A35A_CIRDY0#A_CIRDY1#

A34

A45A_CPERR#

A19A_CREQ#

A23A_CRST#

A_CSERR#A21

A_CSTOP#A44

A_CSTSCHGA12

A_CVCC1A39A37

A_CVPP1

A_CVS1A57

A_CVS2A26

A_NONEA38

A_PARA47

A_RSVD1A6

A_RSVD2

A_CAD7A_CAD8

A62

A_CAD9A58

A14A_CAUDIO

A46A_CBLOCK#

A_CC;BE0#A61A49

A_CC;BE1#A31

A_CC;BE2#A_CC;BE3#

A16

A_CCD0#A73A3

A_CCD1#

A_CCLKA36

A4A_CCLKRUN#

A41A_CDEVSEL#

A_CFRAME#A32

A_CGNT#A42

A40

A_CAD20A_CAD21

A24

A_CAD22A22A20

A_CAD23A_CAD24

A18A15

A_CAD25A13

A_CAD26A_CAD27

A11A10

A_CAD28A_CAD29

A8

A_CAD3A68

A_CAD30A7A5

A_CAD31

A69A_CAD4A_CAD5

A65

A_CAD6A66A63

A_CAD0A72A70

A_CAD1

A60A_CAD10A_CAD11

A56A54

A_CAD12A_CAD13

A55

A_CAD14A52A53

A_CAD15A_CAD16

A50A30

A_CAD17A29

A_CAD18A_CAD19

A28

A71A_CAD2

A27

VCC3_134

VCC3_2

5VCC5_1VCC5_2

6

1VCCD0VCCD1

2

10VPP

15VPPD0VPPD1

14

VPP_SLOT

J11

CONN_150P_CARDBUS

U512

TPS2211

TPS2211

912V

GND78

OE#

SHDN#16

VCC01112

VCC1VCC2

13

C759

0.1uF

27

27

27

VCC3M

0

27

VPP_SLOT

27

TP5832

27

VCC_SLOT

R683

27

VCC5M

TP5809TP5810

VCC3M

47KR762

27

0.1uF

C758

47K

R198

27

27

VCC3M

R648

27

0.1uF

C760

28

27

VCC_SLOT

27

10K

27

27

27

27

27

2727

27

R782 0

CCLKRUN#

OC_2211# TP5988

28

VCC5M

CSTOP#

CDEVSEL#CTRDY#

CFRAME#CREQ#

CSERR#

CIRDY#

CINT#

CGNT#

CCLKRUN#

CB_D2CB_D14CB_A18

CAD(0:31)

CCBE0#CCBE1#CCBE2#CCBE3#

CCD1#CCD2#

CRST#CCCLK

CVS2CVS1

CSTSCHNGCAUDIO#

CPAR

CPERR#CBLOCK#

SHDN_2211#

VCCD0#VCCD1#VPPD0VPPD1

CB_D2

CB_D14

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.com

Page 29: LG Laptop Motherboard Schematic Diagram

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.com

41

6

C

D

2 3 4 5

B

2 5 6

A

C

A

3

B

1

26

8

VCC3B

30

VCC3AUX

17

C78

0.1uF

C693

0.1uF

10K

R168

C714

0.1uF

TP5749R620 0

3

3013

TP5751

29

0R177 *

*

25

VCC3AUX

TP5301

29

30

029

30

TP5303

TP5304

9

29

0.1uF

C115

29

136

24

27

30

TP5833

TP5834

6

45

TP5750

29

0R76

22

28

23

36

VCC3AUX

2

VCC5B

24

10K

R163

66123

VCC5A

1

C71

0.1uF

24

29

12116

NC8

56PAR

PERR#71

34PME#

29REQ#

2RING

RST#26

SERINT100

67SERR#STOP#

68

116SYS_AUDIO_IN

SYS_AUDIO_OUT115

SYS_AUD_IN_GND118117

SYS_AUD_OUT_GND

TIP1

TRDY#

17

61IRDY#

LED1_GRNN13

11LED1_GRNP

LED2_YELN14

12LED2_YELP

M66EN104

122MCPIACT#

111MOD_AUDIO_MON

NC021

NC12236

NC243

NC393

NC4NC5

98112

NC6NC7

GND13GND14

11427

GND15

GND16126

GND17125

37GND2GND3

4950

GND455

GND5GND6

6269

GND7GND8

74

GND977

GNT#30

48IDSEL

20INTA_C#INTB_D#

119113

AUDIO_GND3

CHSGND15

25CLK

65CLKRUN#

C_BE0#8673

C_BE1#C_BE2#

5945

C_BE3#

DEVDEL#72

FRAME#64

GND023

GND132

82GND10GND11

83101

GND12102

AD2441

AD25AD26

4439

AD27AD28

4235

AD29

95AD3

AD303833

AD31

AD49291

AD590

AD6AD7

8785

AD8AD9

84

AUDIO_GND1120

AUDIO_GND2

99

AD108180

AD11AD12

7978

AD1375

AD14AD15

7660

AD16AD17

57

AD185853

AD19

AD294

AD205451

AD2152

AD22AD23

4746

4

68PMJ-2

38PMJ-3

8PMJ-4810

8PMJ-5

8PMJ-65

8PMJ-77

8PMJ-89

AC_BIT_CLK107

AC_CODEC_ID0108

AC_CODEC_ID1109

110AC_RESET#

105AC_SDATA_IN1

106AC_SDATA_OUT

AC_SYNC103

96AD0AD1

3.3VAUX124

1243.3VAUX2

193.3V_03.3V_1

2831

3.3V_23.3V_3

40

3.3V_46370

3.3V_53.3V_6

8889

3.3V_7

185V_05V_1

97

8PMJ-1

27

CONN_124P_MINIPCI

J501

0.1uF

C164

R105 100

R156 10K5

0R77

TP5753

1

TP5748

2916

VCC3AUX

TP5752

3030

VCC5B

*R619 0

L16 220 OHMHB-1M2012-221JT

TP6048

20

3

TP5302

30

10K*

11

29

30

29

6

0

18

45

R169

*

21

R164

10K*

31

0.1uFC154

12

30

0R748

19

0.1uF

C692

*

22pF

C74

2

2914

7

30

36

VCC3B

C72

0.1uF0.1uF

C106

R752 0

15

13

30

30

36

4

10

30

0R755 *

36

14

13

TP4467

13

PCI_AD(0:31)

AC_SYNC

AC_BITCLK_MPCI

AC_SDATAIN1CODEC_ID0

PCI_C_BE#(0:3)

WIRELESS_GRNN#

MODEM_BEEPMONO_OUT

CODEC_ID0

CODEC_ID1

CODEC_ID0CODEC_ID1MONO_OUT

MODEM_BEEP

INTD#

CODEC_ID1

RING#WIRELESS_GRNP

PCICLK_MP

PCI_PME#

AC_RST#

AC_SDATAOUT

CLKRUN#

PCI_GNT1#

INTC#

PCI_REQ1#

PCIRST#_PCI

PCI_FRAME#PCI_TRDY#PCI_IRDY#

PCI_AD(24)PCI_PARPCI_STOP#PCI_SERR#PCI_PERR#

PCI_DEVSEL#

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Page 30: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

PART 2/2

PART 1/2

2

EEPROM Clock Speed SettingR1057 Insert : 376KHzR1057 Remove : 64KHz

3 541

4 5

A

D

B

AT24C64A

C

6

C

B

A

D

3

FM24C64FL(Z)

21

4.7KR24

29

2

VCC3AUX

29

0.1uF

C578

7

VCC3AUX

* 10uFC608

30

LAN2.5V

20pF

C617

0.1uFC30

R36 0

0.1uFC612

1

0.1uF

C552

TP4482R23 4.7K

1%R35 1.24K

C571 0.1uF

30

13

10

45

* 10uFC601

BCP69

Q508

12 4

3

12

13

C36 0.1uF

29

VSS7E2E5

VSS8VSS9

E6

0.1uF

C37

31

G9VSS24VSS25

G10H9

VSS26VSS27

K2L6

VSS28VSS29

L9

VSS3D6

M6VSS30VSS31

M12M13

VSS32VSS33

N1N12

VSS34VSS35

N13

D7VSS4VSS5

D8D9

VSS6

VSS1D4

E7VSS10VSS11

E8E9

VSS12VSS13

F5F6

VSS14VSS15

F7F8

VSS16VSS17

F9F10

VSS18VSS19

G4

D5VSS2

G5VSS20VSS21

G6G7

VSS22VSS23

G8

VDDC5J5J6

VDDC6VDDC7

J7J8

VDDC8VDDC9

J9

VDDIO_PCI0A7B3

VDDIO_PCI1VDDIO_PCI2

C5E1

VDDIO_PCI3VDDIO_PCI4

E4G1

VDDIO_PCI5VDDIO_PCI6

K3L4

VDDIO_PCI7VDDIO_PCI8

N6P2

VDDIO_PCI9

B7VSS0

VDDC12K6K7

VDDC13VDDC14

K8K9

VDDC15VDDC16

K10L5

VDDC17VDDC18

L10M14

VDDC19

H6VDDC2

VDDC20N14P8

VDDC21VDDC22

P12P13

VDDC23VDDC24

P14

VDDC3H7H8

VDDC4

U505

BCM5901KFB

E12VDDC0VDDC1

H5

VDDC10J10K5

VDDC11

C616 10uF

30

0.1uF

C574

VCC3AUX

LAN1.2V

C587 0.1uF

29

0.1uFC554

29

TP5325

C604 0.1uF

30

TP5323

TP5324

VDDIO3

VDDP0K14L13

VDDP1P11

VDDP2

P1VESD1

G2VESD2VESD3

A1

XTALIN11

XTALON10

XTALVDDJ14

0.1uFC609

H1

TCKC12

B12TD0

TDID12

TMSA12

G14TRAFFICLED#

TRD0+B13B14

TRD0-

C13TRD1+

C14TRD1-

TRDY#G3

D11TRST#

VAUXPRSNTJ12

VDDIO0A11

VDDIO1F11K12

VDDIO2L12

PME#

RDACD10

C11REGCLT25

REGCTL12B10A9

REGSEN12

REGSEN25C10B9

REGSUP12

REGSUP25B11

REQ#C3

SCLK

E11

A2SERR#

SI

E10

A10SMB_CLK

C9SMB_DATA

G11

SO

H13SPD100LED#

STOP#

J4

H10

NC8

NC9

M8

NC_PLLVDD3P7

G12NC_SPD1000LED#

NC_SPROMDINP9

NC_SPROMDOUTN9

NC_TRD2+D13D14

NC_TRD2-NC_TRD3+

E13NC_TRD3-

E14

PARJ1

A3PCI_CLK

C2PCI_RST#

J2PERR#

PLLVDD2H14

A6

GPIO2

IDSELA4

H2INTA#

F1IRDY#

G13LINKLED#

LOW_PWRM11

M66ENF4

NC0

L8

M9

NC1

L14

NC10

NC11

L11

NC2

N8

L7

NC3

NC4

K11K4

NC5

J11

NC6

NC7

F13

BIASVDDA14

CBE_0#M4

CBE_1#L3

CBE_2#F3C4

CBE_3#

H4CLKRUN#

H11

CS#

CSTSCHGC8

H3DEVSEL#

M10EECLK

P10EEDATA

FRAME#F2J3

GNT#

GPIO0H12

GPIO1K13J13

B5B6

AD27AD28

C6

AD29C7

AD3P5

A8AD30

B8AD31

N5AD4

M5AD5

P4AD6AD7

N4

AD8P3N3

AD9

AVDD0A13

AVDD1F14

F12AVDDL0AVDDL1

AD11AD12

M2

AD13M3L1

AD14AD15

L2

AD16K1E3

AD17D1

AD18D2

AD19

AD2P6

D3AD20

C1AD21

B1AD22AD23

B2B4

AD24A5

AD25AD26

30

U505

BCM5901KFB

N7AD0

M7AD1

N2AD10

M1

C600 0.1uF

R51

4.7K

0.1uF

0.1uFC35

R50 0*

C575

3

30

C562

10uF

TP5312

30

29

LAN1.2V

TP5320

C891 0.1uF

TP5309

1uF

0.01uF

C26

*

R53

4.7K

C33

8

L513HB-1M1608-601JT

600 OHM

2

C579 0.1uF

C32 1uF

11

10uFC558

3

LAN2.5V27

0.1uFC25

C41 0.1uF

C39 0.1uF

30

0.1uFC27

C29 0.1uF

29

22

30

VESD_LAN

C31 0.1uF

10uH

FI-C2012-103KJT

L515

0

TP5836

C561 0.1uF

25

10uF

C544TP5311

C40 0.1uF

LAN1.2V

0.1uFC570

600 OHMHB-1M1608-601JTL512

R571

0

LAN2.5V19

TP5322

3131

30

TP5326

0.1uF

C550

30

TP5317

0.1uFC615

C889 0.1uF

* 0.1uFC890

R32

1K

15

*

C598 10uF

5

TP5314

600 OHMHB-1M1608-601JT

L514

*

C38 0.1uF

0.01uFC545

TP5811

TP5837

9

6

C551

0.1uF

0.01uF

0.1uFC549

LAN2.5VC24 0.1uF

C555

TP5308

TP5330

20

45

TP5327

TP5328TP5987

VCC3B

C546

0.1uF

TP5985

TP5986

C548 0.01uF

C599 0.1uF

TP5316 TP5315

3131

29

29

TP5835

TP5321

12 4

3

0.1uFC567

31

Q510

BCP69

17

R544

1K

0.1uFC547

TP5307

13

LAN2.5V30

23

0.022uFC572

TP5306

18

0.1uFC553

R538

10uFC581

0.1uFC607

100

C611

0.1uF

R49 0

C614

0.1uF

1

26

31

220 OHMHB-1M2012-221JT

L11

SDA

VCC87

WP

21

6 13

0.1uFC28

29

U506

A012

A1A2

34

GND

SCL65

16

LAN1.2V

C610 0.1uF

4

25MHZX501

ID-MCC-170B

123

4

LAN1.2V

TP5329

0

VCC3AUX

C603 10uF

28

TP5318

TP5319

R52

C563 10uF

R44 15K

VCC3AUX

4.7K

30

30

14

29

7

* 10uFC602

30

TP5313

24

LAN2.5V

C619

20pF

RXIN+TXD-TXD+

RJ45_LED1_GRNN#RJ45_LED2_YLNN#

LAN_WPLAN_CLKLAN_DATA

25CTL

LAN_CLKLAN_DATA

LAN_WP

PCICLK_LAN

LAN_PWRDN

LANSMBCLKLANSMBDATALAN_PWRDN

RXIN-

12CTL

25CTL

LAN_PLLVDD2

LAN_XTALI

12CTL

LAN_XTALO

LAN_BIASVDD

LAN_DATALAN_CLK

TXD-TXD+

RXIN-RXIN+

RJ45_LED2_YLNN#

LAN_AVDDL

RJ45_LED1_GRNN#

LAN_WP

LAN_XTALILAN_XTALO

PCI_AD(0:31)

PCI_C_BE#(0:3)

PCI_FRAME#PCI_IRDY#

PCI_TRDY#

PCI_DEVSEL#PCI_STOP#

PCI_PAR

INTC#

PCI_PERR#PCI_SERR#

PCI_REQ2#PCI_GNT2#

PCIRST#_PCI

PCI_AD(22)PCI_PME#

CLKRUN#LANSMBCLKLANSMBDATA

LAN_AVDD

www.laptop-schematics

.com

Page 31: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

RJ45

DISPLAY

RJ11

2

B

3

D

42

4 5

3

A

2P_MODEM_CONN

6

B

GCI, G021060Pulse, H0042

5

2KV

are interchangeable.Transmit and receive channels

C

1

C

A

1

Q509

2N7002

*3

1

2

75R505

31150R4

0.01uF

C573

470pF

*

470pF

C504

*

R6 75

C528

TP5331

R547

47*

3

1

2

LAN2.5V

31

R7 75

0.01uF

IRLML2803

Q12 *

TX+109

TX-

TP5980

TP5981

C519

MCT114

11MCT2

4NC0

5NC1

12NC2

13NC3

RD+12

RD-RX+

1615

RX-

TCT13

TCT26

TD+78

TD-

R3 150

U502

30

TP5335

TP5336

TP5334

TP6047

R543 0*

0.01uF

C884

TP5979

C883

0.01uF

0.01uF

30

TP5978

49.9

R549

1%

C502

1314

Y_CATHODE

TP5984

30

49.9

R540

1%

15GND1GND2

16

11G_ANODEG_CATHODE

12

LINE+9

10LINE-

RX+3

6RX-

TERM14

TERM25

TERM37

TERM48

1TX+TX-

2

Y_ANODE

TP5977

30

J3

CONN_16P_RJ45&RJ11_1

C588

0.01uF

VCC3AUX

VCC3B

VCC3B

31

48

4

Q13

IRLML2803

*

3

1

2

J6

CONN_2P_SPKR

12

3

R504 75

VCC3AUX

1000pF

C530TP5982

TP5983

30

TP5332

R55

4.7K

VCC3AUXVESD_LAN

1%

R548

49.9

LAN2.5V

48

31

R54

4.7K

30

1%

R539

49.9

R545 0

LANSMBDATA

B_ON#45

RJ45_LED2_YLNN#

RJ45_LED1_GRNN#

SMBDATA

SMBCLKLANSMBCLK

RXIN+

TXD-TXD+

RXIN-

RJ45_LED2_YLNN#

RJ45_LED1_GRNN#

www.laptop-schematics

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Page 32: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

B

C

D

5

5

3 4

32 41

1 2

A

D

A

6

C

B

www.laptop-schematics

.com

Page 33: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

4

Place R932 to Memory Conn.

4

A

3 5

5 61

1 2

B

C

D

A

B

2012

C

32

2424

24

VCC3B

24

TP6044

TP5341

TP5342

33

33333333

TP5339

TP5340

10K

R806

VCC3B

TP5338

*

R858

10K

VCC5B

R860

0

*

0

R859

33

*

1K

R811

VCC5B

33

10K

R262

*

45

10K

R812

R267

1K

*

10K

R854

10K

R853

1K

R855R269

1K

0

R930

*

R808

10K

*

R256

10K

R810

10K

*

R270

10K

*

R813

1K

VCC3B

1K

R809

1K

R254

33

*

R807

1K

*

REV_ID3REV_ID2REV_ID1REV_ID0 PANEL_ID3

PANEL_ID2PANEL_ID1PANEL_ID0

CEJUMPER

REV_ID0REV_ID1REV_ID2REV_ID3

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Page 34: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

3 4 5 6

1

C

D

5

A

B

A

B

C

D

4

6

1 2

32

12

VCC5B

R523

4.7K

R516

4.7K

4.7K

R530

14

330pF

C510 C513

330pF4.7K

R518

2

14

T4

PIO_GND

C507

7

C2

330pF

4.7K

5

330pF

R513

4.7K

R529

330pF

PIO_GND

T3

330pF

C5

14

C511

TP5892TP5893

TP5894

C509

330pF

220 OHMHH-1M2012-221JTL503

330pF

C515

R528

4.7K

C505

330pF330pF

C506 C514

TP5886TP5887

TP5885

TP5891

330pF

L504

HB-4M3216C-600JT

60 OHM4 53 62 71 8

TP5889TP5890

330pF

C516

TP5888

SDB3101

D5021

3

60 OHM

HB-4M3216C-600JT

4 53 62 71 8

TP5884

13SEL

SLIN#171

STB#

4.7K

R527

L502

7D5D6

8

D79

ERR#15

GND118

27GND10

19GND2GND3

2021

GND422

GND5GND6

2324

GND725

GND8

GND926

16INIT#

PE12

CONN_25P_PIO

J5

10ACK#

14AFD#

11BUSY

D02

D134

D2D3

56

D4

12

T2

TP5883

14

4.7K

R519

64 51 82 7

3

TP5881TP5882

4.7K

L506

HB-4M3216C-600JT

60 OHM3

R526

4.7K

14

R520

4.7K

R515

330pF

C512

220 OHMHB-1M1608-221JL507

2 71 8

R521

4.7K

60 OHM

HB-4M3216C-600JT

L5054 53 6

T11

4.7K

R525

T9T10

T7T8

C1

330pF

C508

14

C3

330pF

330pF

TP5991

12

330pF

C4

4.7K

R524

1

4

0

12

PIO_GND

PIO_GND

R517

4.7K

4.7K

R522

TP5896

TP5897

TP5898

LPT_ACK#

LPT_PELPT_BUSY

LPT_SLCT

LPT_D(0:7)

TP5895

LPT_ATFD#

LPT_INIT#

LPT_STRB#LPT_SLIN#

LPT_ERROR#

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Page 35: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

1

A

B

C

D

B

C

3 6

A

521

4

4

52 3

1011

23456789

P1P2

VCC5M

141414

12

CONN_11P_Z

J10*

1

CTS#

DCD#DSR#

DTR#

COMRI#

RTS1#

RXDTXD

12

14

1414

www.laptop-schematics

.com

Page 36: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

DIGITAL I/O

POWER/GROUND

ANALOG I/O

ANALOG I/O

FILTER/REFERENCE

CHIP

SELECT

PRIMARY, 24.576MHz

ID#(1:0) : 00PRIMARY, 14.318MHz

4 5

31

3

4

1

[ 0 ohm jumper ]

2

5 6

6

B

A [ 0 ohm jumper ]

(Location on the gap between AUDIO_AGND and GND

C[ 0 ohm jumper ]

A

D

C

B

2

ID#(1:0) : 11

0R936R935 0

C869

0.1uF

TP5900TP5907

14

29

R430

1%

82K

TP5909

100K

R401

36TP5358

3636

TP5903

27K

R431

1%

TP5911

14

R407

1K

38

R402 0

C320

0.1uF

R429

20K

C329

10uF

38

TP5344

7

16

36

3736

TP590218TP5904

TP5905TP5906

16

R405

10

C333

0.1uF270pF

C336

C313

1K

R408

R941

38

29

AUDIO_AGND

29

AVCC5

1uF

1 3

TP5899

47

C849

47pF

SDB3101

D20

AUDIO_AGND

VCC3B

C319

0.1uF

*

3.3K

1%

R421

2XTAL_IN

XTAL_OUT3

*

C847

47pF

C325

1uF

24LINE_IN_R

35LINE_OUT_LLINE_OUT_R

36

21MIC_IN

MONO_OUT37

NC042

NC112

NC222

13PHONE_IN

11RESET#

8SDATA_IN

5SDATA_OUT

48SPDIF

SYNC10

27VREF

VREFOUT28

BIT_CLK6

19CD_GND_REF

18CD_LCD_R

20

DVDD119

DVDD2

DVSS147

DVSS2

EAPD47

39HP_OUT_L

41HP_OUT_R

ID0#4546

ID1#

JS01716

JS1

LINE_IN_L23

29AFILT1

AFILT23031

AFILT3

AFILT432

14AUX_L

AUX_R15

AVDD12538

AVDD2AVDD3

43

AVDD434

26AVSS1AVSS2

4044

AVSS3

33AVSS4

C341

1uF

U23

AD1981A

R933 0

TP5901

29

1818

R942 1K

C334

C339

270pF

AUDIO_AGND

*

47pF

C846

270pF

R411

2.2K

C868

0.1uF

AUDIO_AGND

R415

10K

TP5353

R944 6.8K

TP5352

TP5350

TP5351

C309

150pF*

TP5345

TP5346

TP5347

TP5348

220 OHM

VCC5B

AUDIO_AGND

TP5356

TP5912

TP5913

HH-1M2012-221JT

L531

2.2uFC888

*

C304

10pF

0R965

C335

270pF

14

0.1uF

C310

R404 47

TP5357

1uF C853

AUDIO_AGND

TP5910

TP5349

20K

R947

AVCC5

47R939

AUDIO_AGND

0.1uF

C322

0.1uFC850

C302

0.1uF

*X2 24.576MHZ12 3

4 TP5918

0R938

TP5915TP5916

TP5917

TP6093

C337

270pF

TP5355

TP5354

TP6092

1CNOISEDELAY

2ERROR#

73

GND

8SD#

6SENSE_ADJ

VIN4 5

VOUT

TP6075

TP5908

10pF

C303

U24

SI9182

VCC3B

36

6.8KR424

*

C848

10uF

36

29

TP5343

AVCC5

270pF

C338

R410

C8601uF

0.1uF

C305

2.2K

TP5914

R940 47

C857

10uF

C866

CLK_AC14

AC_BITCLK_MPCI

AC_BITCLK_MPCI

AUDIO_RTNCDSPKR_RCDSPKR_L

AUDIO_IN

AUDIO_IN

1uF

MDM_SOUND

HP_OUT_EN

AC_BITCLK_MDC

AC_BITCLK

AC_BITCLK_MPCIAC_BITCLK_MDCAC_BITCLK

AC_SDATAOUT

AC_SYNC

AC_SDATAIN0

LINEOUT_LLINEOUT_R

ACID0#ACID1#

ACID1#ACID0#

L_OUTR_OUT

MIC_M

MONO_OUT

AC_RST#

www.laptop-schematics

.com

Page 37: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

Head Phone

Mic

321

3

6

1 4

5

D

A

B

C

D

A

52

[INTERNAL MIC]

[MICRO PHONE]

PLACE NEAR SPEAKER CONNECTOR

[HEAD PHONE]

B

C

C874 390pF

4

2

34

10KR957C870

J16

CONN_2P_SPKR

1

1

1011

12

2

345

6

78

90.22uF

R413 1.5K

CONN_12P_HP_1

J505

R961

47K

VCC5M36

AUDIO_AGND

LINE_AGND

0.22uFC317

0.01uF

C293

L21HH-1M2012-221JT

220 OHM

TP5367

TP5368

TP5369

0R381

TP5374

TP5365

TP5372

TP5373TP5363

TP5364

1uF

C851

L530HH-1M2012-221JT

220 OHM

1000pF

*

1000pF

C867

AUDIO_AGND

VCC=AVCC5, GROUND=AUDIO_AGNDLMV822MM

U518

12

3

C346

38

L532HH-1M2012-221JT

220 OHM

220 OHMHH-1M2012-221JTL20

120pF

C331

1.5K

R406

LINE_AGND

C882

AUDIO_AGND

R958 27K

C306

0.1uF

68pF

C879

1uF

C311

120pF

AUDIO_AGND

AVCC5

47K

R960

C872

0.1uF

47R420

AVCC5

R962 47K

C340

1uF

R400

100K

AVCC5

R412

0

AUDIO_AGND

38

38

1.5K

R427

LINE_AGND

R385 0

LINE_AGND

LINE_AGND

C877

1uF

1000pF

C347

C873

1000pF

LINE_AGND

TP5989

R956

1.5K

1000pF

C836

34

4

38

0R946R382 0

TP5976

53398-0290

J17

112

2

3

TP5973

TP5974

TP5975

TP5970TP5971TP5972

1000pF

TP5968

TP5969

1K

R403

LINE_AGND

3836

AUDIO_AGND

C844

HP_OUT_EN

SPKR_R+SPKR_R-

HP_OUT_L

HP_OUT_RMIC_M

www.laptop-schematics

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Page 38: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

C

3

B

4 5 6

A

2

C

D

2 3

A

1 4 5 6

1

B

1000pFC854

TP6042

27

1uF

C861

TP5923

TP6040

TP6041

R386

1K

37

0.1uFC841

21

C839 0.1uF

TP4505

AUDIO_AGND

47uFC842

TP4507

AUDIO_AGND

AUDIO_AGND

37

TP5375

100K

TP4504

TP5377

2

1

1uF

C862

*

R929

45

36

47uF

C878

C840 0.1uF

15K

R931

AUDIO_AGND

15

45

TP6072

TP6076

0.1uF

C307

R409 1K

0 1uFC321

R390 0

R422

C312

1uF

0.047uFC296C316

0.1uF

R952 4.7K

R428

15K

1000pF

*

C292

C314

33pF

C845 1uF

*

R391 15K

TP5378

TP5376

1000pF

C298

C315

TP4510 TP4511

R392 10K

0.1uF

*

AMPVCC

*

47K

R943

C295 5pF

R398

4.7K

TP4506

33pF

C294

*

0R951

AUDIO_AGND

TP5922

R416

68K

AUDIO_AGND

AUDIO_AGND

0.1uFC838

AMPVCC

* 0R423

* 5pFC323

37 1K

R396

45

20KR399

*R397 0

TP5925

TP5926

29

*

AUDIO_AGND

C887 0.47uF

TP5924

L533

VCC5M

*0.1uF

C837

C308

0.1uF

220 OHM

HH-1M2012-221JT

10KR954

AUDIO_AGND

TP4502

C318

0.1uF

3

10KR955

AUDIO_AGND

0R388

LIN

L_HPIN6

5L_LINEIN

4L_OUT+

9L_OUT-

PC_BEEP14

18PVDD1

PVDD27

8RIN

R_HPIN20

23R_LINEIN

21R_OUT+

R_OUT-16

SE_BTL#15

SHUTDOWN# 22

VDD 19

VOLUME

U516

TPA0232

11BYPASS

17CLK

GND0

1

GND1

12

GND2

13

GND3

24

2HP_LINE#

10

1uFC328

C886 0.47uF

1K

R414

VCC5M

3720KR418

36

TP4509

TP4508

TP5379

TP4503

*

R945 33K

R394 15K

AUDIO_AGND

R384 0

VCC=AVCC5, GROUND=AUDIO_AGND

LMV822MM

U518

76

5

1

TP6043

36

AUDIO_AGND

15KR393TP5921

C855 47uF2

C301 1uF

TP5920 VOL_LEVEL

HP_OUT_R

HP_OUT_L

SPKR_R+

TP5919

H8_MUTE#

H8_SPKR

MODEM_BEEP

SPKR_R-

HP_OUT_EN

VOLCONTVOL_LEVEL

L_OUT

1535_SPKR

CB_SPKR

R_OUT

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Page 39: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

4321 5 6

31 4 52 6

A

B

C

D

A

B

C

470R75

D

24

R74 470

470R73

270

R626

22K

22K

Q20

KRC103S-T1(NC)22-222

3

1

3

1

17

KRA103S

Q521

22K

22K

23

1

23

1

KRA103S

Q522

22K

22K

2

22K

22K

Q18

KRC103S-T1(NC)22-222

3

1

22K

22KQ17

KRC103S-T1(NC)22-22

22K

22K

Q19

KRC103S-T1(NC)22-222

3

1

24

R72 470

45

24

R627

270

24

24

45

TP5932 TP5933

45

TP5928

TP5929

TP5930

TP5931

TP5383

24

VCC5M

TP5927

TP5384

TP5381

TP5382

R622

0

TP5380

45

45

VCC3M

0

R625

*

CHGLEDR#

CAPS_LOCK

DRIVE_ACT

CHGLEDGCHGLEDR

NUM_LED

CAPS_LED

DRIVE_LED

SUS_LED

NUM_LOCK

SUSPEND_LED

CHGLEDG#

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Page 40: LG Laptop Motherboard Schematic Diagram

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.com

2 31 5

B

5 6

A

2 3 4

6

1

C

D

A

B

PLACE NEAR CPU

D

C

4

45

U17

PI74ST1G126VCC=VCC3B, GND=GROUND

*2

14

C14

0.1uF

TP5935

TP5936

C696

2200pF

VCC3M

R776

10K

2

TP4536

TP4535

TP5388

VCC=VCCSW, GROUND=GROUND

U13

SN74AHC32

109

8

0.01uF

1%R5 20K

*

R633

10K

*

C673

23

1

TP4540

0R282 *

12345

22K

22K

Q518

KRC103S-T1(NC)22-22

*

R18

0

45

J8

CONN_3P_FAN

40

C687

0.1uF 10K

R630

2

1K

R616

2N7002

Q34 *

3

1

2

*

C675

10K

R302

*

VCC3B

ALERT#6

2D+

3D-

5GND

SCLK87

SDATA

THERM#4

VDD1

0.01uFR615

1K

LM89CIMMX

U508

TP4538

TP5387

NANOSMD100

F51 2

VCC3B

*

R19

10K

45

0

R15

TP4533

15

10K

R20

2

1*

C674

1uF

45

2KR617

1%

D514

KDZ5.1V

VCC3B

TP4539

TP5934 TP5386

TP4537

TP4532

45

VCC5M

TP4534

TP5385

1

2

VCC3B

Q1

BC848A2

3

1

HYST4

OUT3

5OUTSET

SET1

VCC6

40

Q517 SI2301DS

3

4848

U2

MAX6510

GND2

R14

2TP4530 TP4531

1535_THRM#

IICDATA_TH

H8RESET#

PCIRST#_LPC

H_THRMTRIP

THERM_C

THERM_A

10K

FAN_ON

FAN_FRQ

IICCLK_TH

6510_THRMTRIP

CPU_THRMTRIP#

6510_THRMTRIP

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Page 41: LG Laptop Motherboard Schematic Diagram

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.com

BB

AA

6

C

D

1 4 5

SIDE

PLACE CLOSE TO M1535+

1 2 3 4 5

C

PLACE CLOSE TO M1535+

D

2 3

REAR27

USBGND0

USBGND0

14

D15

SDB310113

R669

1 3

46

2GND

5VCC

0.1uF

C533

100uF

C539

6.3V2

1

SRV05_4

U1

*

USBGND1

0.1uF

C217

14

TP5397TP5398

27R677

47pF

C716

L508HH-1M2012-221JT

220 OHM

USBPWR

0.1uF

TP5992

14

CONN_6P_USB

J503

020173MR004G105ZA

3DATA+

2DATA-

GND4

5GND1GND2

6

VCC1

C192

R660

15K

R678 27

VCC5B

R272 0*

21

43

TP5394

47pF

VCC3B

90 OHM

CHK5

ACM2012-900-2P

TP5389

TP5390

C724

TP5392

TP5393

USBPWR

TP5962TP5963

TP5964 TP5391

TP5966

TP5967

USBPWR

R252

10K

TP5965

15K

R667

TP5961

C193

*

220 OHMHH-1M2012-221JTL17

020167MR004S300ZA

J2

CONN_6P_USB

DATA+3

DATA-2

4GND

GND156

GND2

1VCC

0.1uF

6.3V

C776

100uF2

1

R274

560K

15K

R661

USBPWR

45

220 OHMHH-1M2012-221JTL18

C715

47pF

41

R283

*

0.1uF

C195

C534

0.1uF

10K

U18

RYC8220_2M

EN114

EN2

GND6

OC123

OC2

7VIN

8VOUT1

VOUT25

SRV05_41 3

46

2GND

VCC5

14

R279 *

C194

0.1uF

*

U20

TP6039

47K

R278

348K

VCC5M

USBGND1

27R670

47pF

C728

12

R668

15K

234

TP5395

L509HH-1M2012-221JT

220 OHM

USB_EN#

ACM2012-900-2P

CHK501

90 OHM

1USBP1+

USBOC# USBOC#

USBP0-USBP0+

USBP1-

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Page 42: LG Laptop Motherboard Schematic Diagram

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41 6

A

B

C

D

C

A

D

542 31

B

52 3

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Page 43: LG Laptop Motherboard Schematic Diagram

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3 4

1 2 3

A

B

C

4 6

B

D

65

A

C

5

D

1 2

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Page 44: LG Laptop Motherboard Schematic Diagram

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21

65432

B

C

D

B

1

A

U13

SN74AHC32

1312

11

543

A

C

U16

VCC=VCC3B, GROUND=GROUND

13

1211

VCC=VCCSW, GROUND=GROUND

VCC=VCC5M, GROUND=GROUND

U11

SN74LS08

13

1211

SN74AHC08

VCC5B

VCC=VCC3B, GROUND=GROUND

U513

SN74AHC14

13 12*

8

U501

SN74AHC08VCC=VCC5B_CRT, GROUND=GROUND

13

1211

10

98

VCC=VCC5B_CRT, GROUND=GROUNDSN74AHC08

U50110

9

U14

SN74LS08VCC=VCC5B, GROUND=GROUND

0.1uF

C745

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Page 45: LG Laptop Motherboard Schematic Diagram

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part 1/2 part 2/2

C

1

A

4

5 6

B

3

2

A

D

B

C

4

1608

D

31 5

2

6

1608

R264

33

10K

R251

100KR821

29

45

1MTP5440

TP5441

46

TP5938

4746

4746

TP5943

TP5944

15

4746

TP5937

TP5461

TP5942

0.1uF

C774

0

4746

4746

5446

TP5460

46

39

4746

27

VCCSW

23

*R836

39

30

R234 0

31 45

40

R851 100K

27

40

R842 0*

45

VCC3M

33

TP5941

5046

R788

100K

PG05857

PG1

56PG2PG3

5554

PG4PG5

5352

PG6PG7

51

8RES#

12STBY#

1VCC1

VCCB36

13VCL

VSS17

42VSS2

PE032

PE13130

PE2

29PE3

28PE4

27PE5

26PE6

25PE7

50PF0PF1

4948

PF2PF3

4746

PF4PF5

4544

PF6PF7

43

PA0;A16;CIN8;KIN8#4140

PA1;A17;CIN9;KIN9#PA2;A18;CIN10;KIN10;PS2AC

3938

PA3;A19;CIN11;KIN11#;PS2ADPA4;A20;;CIN12;KIN12#;PS2BC

37

PA5;A21;CIN13;KIN13#;PS2BD35

PA6;A22;CIN14;KIN14#;PS2CC34

PA7;A23;CIN15;KIN15#;PS2CD33

PD06665

PD1

64PD2PD3

6362

PD4

61PD5PD6

6059

PD7

16P50;TXD0

15P51;RXD0

14P52;SCK0;SCL0

P70;AN068

P71;AN16970

P72;AN2P73;AN3

7172

P74;AN4

24P90;LWR#;ECS2#;IRQ2#;ADTRG#

23P91;IRQ1#

22P92;IRQ0#

21P93;RD#;IOR#

20P94;HWR#;IOW#

19P95;AS#;IOS#;CS1#

18P96;EXCL

17P97;WAIT#;SDA0

U514

H8_2169

67AVSS

10MD0

9MD1

11NMI

2P43;TMCI1;HIRQ11;HSYNCI

3P44;TMO1;HIRQ1;HSYNCO

4P45;TMRI1;HIRQ12;CSYNCI

5P46;PWX0

6P47;PWX1

46

46

24

21

4746

23

38*

R814

10K

215

46

15

23

45

R838 0

VCC5_H8

46

39

45

C767

22pF

46

4746

4746

33

39

VCCSW

4746

33

100KR850

0R815

RB425D

D5181

23

23

R263 1M

46

15

33

TP5436

TP5437

4746

SN74AHC32

12

3

31

* 0R834

R265

0

VCC=VCCSW, GROUND=GROUND

U13

C180

0.1uF

4846

0.1uF

C189

27

R833 0

*R857 0

*

VCC=VCCSW, GROUND=GROUND

45

6

TP5945

TP5946

TP5940

R841 0*

SN74AHC32

U13

R837 0

TP5939

4746

VCCSW

23

15

33

23

*

*R835 0

VCC5B

22

23

1

R231 0*

H8VCCVCCSW

100KR852

4746

22K

22K

Q41

KRC103S-T1(NC)22-22

4

12

7

46

0R832*

46

33

0R825* 0R827

VCCSW

VCCSW

0.33uFC190

*

R273

10K

23

TP5442

4746

46

40

39

46

4746

45

46

TP5438

*R840 0

23

15

VCC5M

D519

RB425D

1

23

XTAL

VCCSW

R248

10K

2115

PB7;D7;WUE7#

PC094

PC193

PC292

PC391

PC490

PC589

PC688

PC787

RESO# 142

VCC286

VSS395

111VSS4

VSS5 139140X1141X2

143

74

P77;AN7;DA175

P80;HA0;PME# 129130P81;CS2#;GA20

P82;HIFSD;CLKRUN# 131132P83;LPCPD#

P84;IRQ3#;TXD1 133

P85;IRQ4#;RXD1 134135P86;IRQ5#;SCK1;SCL1

PB0;D0;HIRQ3;WUE0#;LSMI# 120119PB1;D1;HIRQ4;WUE1#;LSCI

PB2;D2;WUE2#;CS3 118117PB3;D3;WUE3#;CS4

PB4;D4;WUE4# 116115PB5;D5;WUE5#

PB6;D6;WUE6 114113

P34;D12;HDB4;LFRAME#P35;D13;HDB5;LRESET# 126

127P36;D14;HDB6;LCLKP37;D15;HDB7;SERIRQ 128

P40;TMCI0;TXD2;IRTXD 136

P41;TMO0;RXD2;IRRXD 137138P42;TMRI0;SCK2;SDA1

P60;FTCI;CIN0;KIN0#;HFBACKI;TMIX7879

P61;FTOA;CIN1;KIN1#;VSYNCOP62;FTIA;CIN2;KIN2#;VSYNCI;TMIY

80

P63;FTIB;CIN3;KIN3#;VFBACKI81

P64;FTIC;CIN4;KIN4#;CLAMPO82

P65;FTID;CIN5;KIN5#83

P66;FTOB;CIN6;KIN6#;IRQ6#84

P67;TMOX;CIN7;KIN7#;IRQ7#85

P75;AN573

P76;AN6;DA0

P14;A4;PW4

106P15;A5;PW5

105P16;A6;PW6

104P17;A7;PW7

103P20;A8;PW8P21;A9;PW9

102P22;A10;PW10

101P23;A11;PW11

100P24;A12;PW12

99P25;A13;PW13

98P26;A14;PW14

97P27;A15;PW15;CBLANK

96

121P30;D8;HDB0;LAD0P31;D9;HDB1;LAD1 122

123P32;D10;HDB2;LAD2P33;D11;HDB3;LAD3 124

125H8_2169

U514

AVCC76

AVREF77

EXTAL 144

P10;A0;PW0 112

P11;A1;PW1 110109P12;A2;PW2

108P13;A3;PW3

107

R233 0*

30

4538

46

C761

0.1uF

94M100-18(C)

X504 10MHZ123

4

4746

45

16

4846

*R843 0

15

4746

24 33

21

58

L528HB-1M1608-102JT

1 KOHM

46

4746

1 KOHMHB-1M1608-102JT

L529

TP6037

TP6038

Q35

2N7002

3

1

2

33

R839 0

4746

38

46

23

1

53

47

46

VCC5_H8

40

4746

*

R232 0

22K

22K

Q39

KRC103S-T1(NC)22-22

40

100K

R787

C775

0.1uF

46

14

TP5994

TP6036

24

5246

30

15

45

* 0R831

0

R260

45

4746

3

1

2

4

R259 0*22pF

C765

Q40

2N7002

46

* 0R826

46

22

4746

R849 100K

4746

4746

C187

0.1uF

47

KEYC15KEYC14KEYC13KEYC12KEYC11KEYC10KEYC9KEYC8

H8_TPDATAH8_TPCLKTP_RST

FAN_FRQH8_MUTE#

IICDATA_H8SUSCLK_SBSB_PWRGDA_ON_3NB_PWRGDCLOSED#B_ON#PWRSW#

BAT_DETECT1#

IICCLK_H8PWRBTN#RST_SYS#

H8_NBPWRGD_ONIIC_SEL1IIC_SEL0H8_SPKRSUSPEND_LED

41

BRIGHTNESS

H8RESET#

VGATEVCC1_8BGDVCC2_5BGD

CLOSED#_H8H8_CPUCOREVCC_ON

H8_VCC1_8B_ONH8_CPUPWRGD_ON#

KBDID2KBDID1KBDID0

CEJUMPERCHGLEDR#CHGLEDG#REV_ID0REV_ID1REV_ID2REV_ID3

H8RESET#

VCC5M_1535_OFF

SA19

H8_PME#H8_TPCLKH8_TPDATA

VGATE

EM_OFF#THRM_SHDN#

H8_SBPWRGD_ON

RING#

LAN_PWRDN

H_THRMTRIP

AUX_ON

VCC5M_ON

A_ON_3

H8VCC3AUX_ON

A_ON_3

H8VCC5M_ON

PCI_PME#

B_ON

CB_PWRDN#

B_ON#

MDM_ID#

PANEL_ID0PANEL_ID1PANEL_ID2

VCC5M_1535_ON

RING#

H8_SCILPC_AD0LPC_AD1LPC_AD2LPC_AD3

LPC_FRAME#PCIRST#_LPCPCICLK_H8

A20GATE

FN_KEY#

NUM_LOCK

CAPS_LOCK

KBC_RST#

CB_GRST#SERIRQ

CLKRUN#SUSTAT#

RST_CONTROL#

H8VCC5M_ON

H8VCC3AUX_ON

USB_EN#

RFID_EEP_RST#

VCC3M_ON

VOLCONT

PANEL_ID3BATLOW#

H8_PME#ACIN#

KEYC7KEYC6KEYC5KEYC4KEYC3KEYC2KEYC1KEYC0

KEYROW7KEYROW6KEYROW5KEYROW4KEYROW3KEYROW2KEYROW1KEYROW0

CHGENFAN_ONCHGRATE

H8_WAKE

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Page 46: LG Laptop Motherboard Schematic Diagram

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3

D

2

FINGER

63 41

4

B

1

5

45

47

C

5

A

D

C

2

A

B

47

4845

47

45

TP5419

45TP5408

H5

4747

TP5456

47

H4

47TP5457

47

TP5454

47

47TP544947

TP5451

45

47

TP5445

47

TP5447

TP5416

TP5418

47

TP5443

TP5414

TP5415

45

TP5428

TP5427

TP5426

H18

TP5452

TP5410

H20

47

H15

4747

H10

47

TP5459

H1

45

H8

47

54

47

FG503

45

FG505

47

FG507 FG501

H3

47

H13

FG506

TP5432

TP5433

45

H12

TP5429

H19

TP5431

TP5409

TP5423

TP5455

TP5458

TP5425

TP5421

TP5453

TP5406

TP5401

TP5435

TP5407

TP5448

TP5399

TP5450

45

TP5444

45

TP5446

45

TP5434

5245

45

45

45

H17

47474747

TP5424

H16

TP5430

TP5420

47

TP5422

H7

TP5403

H9 H2

TP5405

FG504

TP5400

H21

TP5402

AUDIO_AGND

H14H6 H11

45

FG502

45

KEYROW6KEYROW5KEYROW4KEYROW3KEYROW2KEYROW1

KEYROW7

KEYROW0CHGEN

CHGRATEVCC5M_1535_OFF

VCC3M_ONH8VCC3AUX_ONH8VCC5M_ON

RFID_EEP_RST#VCC5M_1535_ON

FN_KEY#

VGATEAUX_ON

VCC5M_ON

45

IIC_SEL0IIC_SEL1IICCLK_H8IICDATA_H8

PWRSW#H8_TPDATAH8_TPCLKTP_RST

KBDID2KBDID1KBDID0

KEYC15KEYC14

KEYC12KEYC11KEYC10KEYC9KEYC8

BAT_DETECT1#

H8_PME#

KEYC13

KEYC7KEYC6KEYC5KEYC4KEYC3KEYC2KEYC1KEYC0

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Page 47: LG Laptop Motherboard Schematic Diagram

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1 2 3 4 5 6

1 2 3 4 5 6

A

B

C

D

A

B

C

46

46

46

R803

0

*

VCC5B

46

46

46

46

460

R804

46

4513

TP5960

46

46

46

R786

0

46

46

46

89

VCC3B

45

45

45

46

46

46

313233343536373839

4

40

41

42

567

171819

2

20212223242526272829

3

30

CONN_42P_S

J131

10111213141516

VCC3M VCCSW VCC5B

R802

47K

R789

100K

R791

100K 100K

R790

C753

0.1uF100K

R792VCC3B

TP6034

TP6035

10K

R794

10K10K

R796 R795R797

10K10K

R800 R799

10K

R798

10K

R801

10K

46

46

46

46

46

46

46

46

0.01uF

100R79345

KEYROW1

KEYROW2

KEYROW3

KEYROW4

KEYROW6

KEYROW7

KEYC4

46

C756

TP_RSTH8_TPCLK

KBDID0

KBDID1

FN_KEY#

KEYROW0

KBDID2

KEYROW5

H8_TPDATA

KEYC5

KEYC8

KEYC6

KEYC3

KEYC7

KEYC2

KEYC10

KEYC1

KEYC9

KEYC0

KEYC11

KEYC14

KEYC12

KEYC15

KEYC13

PWRSW#

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Page 48: LG Laptop Motherboard Schematic Diagram

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C

IICCLK_BAT0

1

A

3

2

5

D

B

LOW

SEL1SEL0

IICDATA_TH

3 4 6

HIGH

IICDATA_H8

ISOLATE

C

LOW

A

ISOLATE

2

LOW

IICDATA_BAT0

B

IICCLK_THHIGH

LOW

4

1 5

48

48

48

IICCLK_H8

R84410KR268

464848

46

46

10K

at24rf08

U21

4GND

1L1L2

2

PROT3

SCL65

SDA

8VCCWP

7

10KR847

VCCSW

48

VCC3B

TP5465

TP5466

10K

TP5462

TP5463 TP5464

R311 4.7K

R846

100K

R378

48

48

A025

A1A2

912

A3B0

36

B18

B2B3

11

1BE0

4BE1

BE21013

BE3

GND7

14VCC

R377

100K

46

U15

pi5c3126

4.7K

R261

VCCSW

46

48

R266

4.7K

VCCSW

48

0.1uF

C766

C273

48

48

4.7KR312

VCC3B

10K

R310

0.1uF

SMBCLKSMBDATA

IICCLK_BAT0IICDATA_BAT0

RFID_EEP_RST#

SMBCLKSMBDATAIICCLK_THIICDATA_TH

IIC_SEL0

IICCLK_H8IICDATA_H8

IICDATA_BAT0IICCLK_THIICDATA_TH

IIC_SEL1

IICCLK_BAT0

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Page 49: LG Laptop Motherboard Schematic Diagram

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DS

G

DS

G

41

4 51 2 3

2 6

A

B

A

B

C

D

C

D

53

Q525

2N7002

3

1

2

TP5485

TP5481

TP5484

*

TP5479

C182

10nF

*

TP5477

VCC5M

58

R142

22K

R147

100

100K

R146

TP5474

VCC3M

TP5471

TP5472

C569

0.047uF

TP5468

TP5469

100

R822

*

100

R87

VCC3A

58 58

*

2N7002

Q223

1

2

*

TP5486

VCC2_5BVCC2_5A

100K

R238

TP5476

Q21

KRC113S22K

23

1KRC113S22K

23

1

TP5475

1256

3

4TP5473

Q24

Q526

2N70023

1

2

Q23

SI3445DV

3

1

2

TP5470

*

100K

R554

*

2N7002

Q25

0.22uF

C184

TP5467

10K

R245R816

100

*

R240

100K

VCC5B

Q37

KRC113S22K

23

1

7

8

5

6

2

4

1

3

0.22uF

C107

Q507

KRC113S22K

23

1

Q32

SI4963DY

Q38

KRC113S22K

23

1

10K

R553

VCC3AUX

R89

100K

46

R86

15K

6

3

4

58

0.047uF

C77

TP5483

SI3445DV

U504

125

VCC3M

TP5482

VCC3B

54

123

TP5480

R244

10K

TP5478

SI9434DY

Q26876

A_ONAUX_ON

B_ONB_ON

B_ON

www.laptop-schematics

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Page 50: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

51 2 3

3 4 5 6

B

D

A

B

C

D

C

1 2

A

4

*

C214

10uF

*

21

TP5497

0.22uF

C216

TP5495

S-873361CUP

U12

CD_VPF#_SENSE3

VIN5

4VOR

1VOUT

VSS2

TP5494

*

TP5492

R963

0

R967 100K

TP5947

TP6033

TP5493

TP5489 TP5490

TP5948

VOUT1

2VSS

TP5487

C186

0.22uF

VCC5M_1535

U19

S-875045CUP

*

3CD_VPF#_SENSE

5VIN

VOR4

SDS2836F

D141

23

VACRAIL

R241

1M

2

D16

SDS2836F

1

23

0434.500

F31

3.3M

R318

*

56R247

R307 100*

2N7002

Q44 *3

1

2

R235

VCCSW

10uF

C183

21

VPACK_M

3.3M

R316

3.3M

*

46

VCC5_H8

46

3

1

2

KRC103S-T1(NC)22-22

Q53222K

22K

23

1

*

Q531

SI2301DS

*

R230

10K

*

0

R303

47K

*

C772

0.022uF

1SS355

D18

*2

1

R304

R856

100K

R845

VCC5M_1535_OFF

VCC5M_1535_ON

0

www.laptop-schematics

.com

Page 51: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

3 41 2 5 6

1 2 3 4 5 6

A

B

C

D

A

B

C

1

R623

10K

VCC3B

VCC1_8B

C701

*

SMAB13

D5162

8

567

1

4

2 3

VCC5M

10uF

Q523

SI4816DY

0R635 *

20R631

C75 0.22uF

C691 1000pF

0

R79

100R637

R628 11.5K1%

C700

10uF

16V

C76 0.1uF

100pFC685 *

C684

1uF

* 0R964

4523

8.2KR639

5%

TP5509

TP5506

TP5510

TP5504

TP5505

TP5508

TP5502

TP5507

TP5503

TP5499

TP5500

TP5501

*

VCC5B

TP5498

100KR82

10K

R78

R634

R85 100K

9NC2

11NC3

5OUT

PGND12

10PGOOD

REF7

3SHDN#

18SKIP#

16TON

V+17

VCC15

14VDD

10

MAX1714

U509

AGND8

BST19

1DH

13DL

FB4

ILIM6

20LX

NC12

2

1

C688

0.1uF

VPOWERRAIL

TP6030

TP6032

220uF

C729

TP6029

TP6031

D10

RB551V-302

1

3.8uHL527

CDRH104_3R8MC

23

R91 1

VCC1_8B_ON

VCC1_8BGD

www.laptop-schematics

.com

Page 52: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

31 2 4 5 6

1 2 3 4 5 6

A

B

C

B

C

D

A

D

Q533

SI4404DY

5 6 7 8

4 123

0.04R383

TP5521

R928

2.2

1

TP5518

TP5519

TP5520

C300

47uF2

1uF

C288

150K

R868

4553R317 0*

TP6027

TP6028

TP6091

TP5523

TP5528

TP6026TP5522

TP5527

1%

100K

R372

25VC8340.1uF

5 6 7 8

4 123

SGND

MBR0540

D522

21

Q535

SI4812DY

TP5952

TP5953

TP5954

TP5515

0.47uF

C792

10KR863

TP5514

TP5951

TP5511

TP5529

R927

TP5949

TP5950

SGND

2.2

C787 1uF

SFCB1280-4R8150L19 15uH

C788 0.1uF

25V

10uF

0.1uFC784

PGND

REF4

13REFIN

15VCTL

VCC3M

TP5530

VCHARGER+

C275

CLS

18CSIN

CSIP19

26CSSNCSSP

27

1DCIN

24DHI

DLO21

22DLOV

8GND1

9GND2

10ICHG

ICTL14

28IINP

LDO2

LX23

20

U515

ACIN11

12ACOK

BATT17

BST25

CCI6

5CCS

CCV7

CELLS16

3

0.1uF

C780

*

MAX1772

4.7

R873

1%R371 16.2K

C274

10uF

SGND

VCHARGER

0.01uFC284

VACRAIL

*

4.7

R872

0.01uFC785

C791 0.47uF

SGND

SGND

R926

33

LDO

21

10uF

C276

D521

RB050L-40

TP5517

TP5525

TP5526

1KR870

TP5524

TP5516

SGND

47K

R871

VCHGRAIL

0.1uFC793

20KR8691%

LDO

R862

47K

SDB3101D52313

46

0.1uF

C289R369

10K

1uF

C789

C278

0.1uF

0

R370

10K

R380

TP6024

TP6025

VCC3M

VCHGRAIL0.1uF

C835 25V

D520

21

VCHARGER

C778

0.1uF

1%

R866

10.2K

RB050L-40

1%R867 29.4K

ACIN#

CHGRATE

www.laptop-schematics

.com

Page 53: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

D

A

B

C

1 2 3 4 5 6

1 2 3 4 5 6

A

B

C

1

L9HU-1M2012-121JT

120 OHM

53

R42 0.04

13

VAC

22K

22K

Q7

KRC103S-T1(NC)22-22

23

429007

F11 2

D7

SDB3101

U3

KIA393FVCC=VAC, GROUND=GROUND

76

515

R824

10K

TP4529

123

BC848A

Q62

3

1

SI4435DY

Q987654

TP5535

C19

1000pF

*

TP6023

*

TP5534

TP4526

TP4527

1000pFC20

TP4524

TP4525

TP4517

TP4518

*

1000pF

C13TP4521

54

1%

R30

27K

0R17

VCHARGER+

TP4519

0.1%

R28

681

23

1

1%

R48

10K1000pF

C22

*

CV16V

Q10

KRA104S

TP4520

10K

R823

TP5531

TP5532

D5

MMBD301L

1

3

R31 105K

*

VACRAIL

R21

47K

U4

kia431

1

2

3

1000pF

C17

1 2

3 4

HU-1M2012-121JT

L511

120 OHM

3

1

2

VPOWERRAIL

J1 CONN_4P_ACJACK

AC_GND

C517

1000pF

*

2N7002

Q529

R27

4.7K

R46

4.7K

VCC5M_1535

0.22uFC23

R29

0.1%

R37

10K

RB050L-40D6 2 1

VCCSW

681R47

10K

52

53

120 OHMHU-1M2012-121JTL8

R22

470K

120 OHMHU-1M2012-121JT

L510

R16

TP5533

TP6022

TP4528

VCHARGER

4.7K

R33

82K 0.1uF

C16

8765 4

123

R26

43.2

TP4523

SI4435DY

Q3

VCC=VAC, GROUND=GROUND

KIA393FU3

12

3

1%

22K

22K

Q528

KRC103S-T1(NC)22-22

23

1

TP4522

BAT_OFF

ACIN# ACPWR

ACIN

ACIN

www.laptop-schematics

.com

Page 54: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

C

D

A

B

C

1 2 3 4 5

3 4 5

6

1 2

A

B

R451010

F41 2

TP5539

22K

23

1

TP5538

TP5548

Q27

KRC103S-T1(NC)22-22

23

1

KRC103S-T1(NC)22-22

Q45

22K

R39

100K*

22K

22K 2SC4617

Q8

*2

3

1

2SK3107

Q29 3

1

2

1M

R212

2

*

C21

0.1uF

C783

0.01uF

470 OHMTHERMISTOR

R25

*

1

C779

10pF

R38

*

R41

100K

R865

10K

*

100K

820pF

10R861

SI4435DY

87654

123

45

C348

TP5544

TP5545

Q534

TP5546

TP5547

TP5549

100KR218

TP5542

TP6021 TP6089

TP5543

23

TP5536

TP5537

46

Q31

SI4425DY 87654 1

VCCSW

53

R211

1M

VPACK_M

1

CONN_7P_BAT

J502

667

7

P112

P2

3P3P4

45

P5

23

KRC103S-T1(NC)22-22Q28

22K

22K

*2

3

1

23

D19

SDS70001

*

4.7K

R40

SDS7000

D17

VPACK_M

*

100K

R34

Q4

2SA17742

3

1

10pF

C782

*

Q5

2SC4617

23

1

*

VCHGRAIL

VCCSW

10KR210

48

2

1

48

VPOWERRAIL

0.022uF

C285

RB050L-40

D13

PWRSHUTDOWN

100K

R375

R376 10K

IICDATA_BAT0IICCLK_BAT0

BAT_DETECT1#

BAT_OFF

CHGEN

PWRSHUTDOWN

www.laptop-schematics

.com

Page 55: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

2 3 4 5 6

1 2 3 4 5

B

C

D

B

C

D

AA

1

8

567

1

4

23

TP5563

TP5564

Q506

SI4816DY

C535

10uF 10uF

C559

TP5559

TP5561

TP6019

TP5558

TP5560

TP5555

TP6018

TP5551

TP6012

TP6015

TP5554

1000pF

TP5550

RB551V-30

D5092 1

H8VCC

C1821

D508

RB551V-30

2 1

4.99K

VPOWERRAILVPOWERRAIL

SMAB13

D8

2

1

4.99K

R502

1%

1%

R551

100KR535

C518

100uFSEQ

SHDN#236

SYNC

TIME_ON57 22

V+

21VL

C557 10uF

2

CSL513

DH327

DH516

24DL3

19DL5

3FB3

12FB5

8GND

PGND20

26PHASE3

PHASE517

10PSAVE#

9REF

11REST#

28RUN_ON3

15

SC1403

U503

BST325

18BST5

1CHS3

COMP34

5COMP5

CSH514

CSL3

1 234

1KR546

L10 7uH1 2

34

CEI122-H

L1 7uH

27pFC541CEI122-H

*2

1

VCC3M

C542 56pF

0R556

C532

100uF

C501

1000pF

0R537

0.22uFC576

C586 4.7uF

68pF

C568

10

R557

R555 1

C577 0.22uF

1R558

1.62K

R550

1%

C537

0.1uF

120uF

*

21

TP5565

46

C15 1000pF

C585

21

0.1uF

C566

SI4816DY

Q501 8

567

1

4

2 3

120uF

C556

C560

10uF

0.005R451%

C538

2.7nF

0.005R503 1%

TP5562

TP6020

TP6071

TP6016

TP6017

*R536 0

TP5557

TP6013

TP6014

TP6011

TP5556

TP5553

2.7nF

C503

D501

SMAB13

2

1

46

TP5552

*

10uF

C536

VCC5M

C606 10uF

C543 0.1uF

0.1uFC540

5.11K

R501

1%

R552

1K

VCC3M_ON

VCC5M_ON

www.laptop-schematics

.com

Page 56: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

B

C

D

A

B

C

D

1 2 3 4 5 6

1 2 3 4 5 6

A

1%R68 0.001

TP5593

C642 1uF

21

VCC_VID

10uF

C636

2

VCC5M

TP5582C665

220uF

Q15

2N7002

3

1

3.3

*

TP5595

180pFC54

21

TP5578

7

R570

TP5568

C68

10uF

C53 180pF

1%R588 12.7K

SI4404DY Q511

5 6 7 8

4 123

R65 1%

1%R63 332

C69

10uF

21

432

332R61 1%

220uF

C639

21

R579 32.4K

VID0

13VID1

VID212

VID311

VID410

VIDB

5

4VIDFB

TP5596

TP5580

EN

25GND

HYS8

ISH134

26ISH2

7OSB

PGND136

22PGND2

16PWRGD

15SS

2TG1

TG218

V5_138

20V5_2

30VCCAVDPR

9

14

37BG1

BG221

BST13

BST217

33CL1

27CL2

CLRF31

CMP132

CMP228

CMPRF29

23CORE

DAC24

DPRSL6

DRN11

DRN219

35

C564

21

CPU_COREVCC

U507

SC1474

VCC3B

0.001R60 1%

220uF

C630 330pF

VCC3M

1%R70 9.31K

R67 10K

R56 0

C52 330pF

1%R64 750

TP5581

C51 0.1uF

C646330pF

1%R573 51.1K

21

R586 4.7

C649 1uF

VCC5B

RB551V-30

D511

TP5574

2

TP5592

TP5572

R583

10

R580 20K

TP5594

TP5579

*

10uF

C631

21

1uFC49

2

C629

220uF

21

2

RB050L-40

D510

21

C50 1uF

TP5587

2

C73

10uF

10uF

C658

TP5571

SUD50N03-11

Q113

1

2

C648

220uF

21

R577 4.7

23

VCC5M

VCC3M

10KR59

3.3

R592*

TP6002TP6008

1%

R578

619

TP6001

TP6005

15

TP5567

R58

10K

*

TP5576

0.01uF

C666

*

TP6000

0.1uFC62

330pFC635

330pFC61

1%R66 332

TP5590

TP6009

TP6010

C644

10uF

15nFC634

5 6 7 8

4 123

TP5583

152345

Q512

SI4404DY

R57

10K

R71 30K

C565

220uF

21

750R62 1%

0.1uF

C650

TP5589

2

1nFC632

TP5577

TP5570

TP5588

TP5591

TP5584

TP5585

Q516

5 6 7 8

4 123

D9

RB551V-30

21

SI4404DY

R585 30.1K

0.52uHL12IHLP-5050CE-03

21

2N7002

Q163

1

2

1%

12

3 D512

RB050L-40

123

1uF

C652

Q14

KTA1663 TP6007

Q515

SI4404DY

5 6 7 8

4

21

TP6006

IHLP-5050CE-03L516 0.52uH

10uF

C67

0.01uF

*

TP6003

TP6004

VPOWERRAIL

C640 1nF

C605

21

332R574 1%

C42

0.1uF

VCC3B

220uF

C613

Q513 SUD50N03-11

3

1

2

CPUSTP#

VGATE

DPRSLPVR

CPUCOREVCC_ON

CPU_VID0

CPU_VID1

CPU_VID2

CPU_VID3

CPU_VID4

www.laptop-schematics

.com

Page 57: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

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1 2

1 2 3 4 5

B

C

6

A

D

A

B

C

D

A4

5 63 4

2.5uHL22CDRH104_2R5MC

C290

220uF2

1

3.8uHL23CDRH104_3R8MC

TP5610

TP5615

VCC1_25B1000pFC342

TP5608

TP5609

15nF

C326

VCC2_5A

VCC5M

VCC2_5A

VPOWERRAIL

10uF

C863

TP5606

C876

1uF

TP5605

TP5613

TP5614

12KR950

DDRREF

TP5597

15KR438

0.1uF

C843

R426

10K

R932

10K

10K

R934

750KC875

0.1uF

3

1

2

R432

VCC3B

Q46 KRA104S

23 1

2N7002

Q47

TP5998

TP5997

49

1uF

C344

TP5995

TP5996

21

510KR434

C332 1000pF

120uF

C291

TP5603

TP5612

TP5999

0.1uF

TP5598

R959 10

C858

47pF

C343

C871 1uF

10R949

C330

TP5611

VPOWERRAIL

1uF

C327

49

VCC5M

0.1uF

1uFC345

R437

0

0

R419

Q537

SI4816DY

8

567

1

4

23

R435

64.9K

R436 10

R433 16.2K

SI4816DY

Q536 8

567

1

4

2 3

4523

TP561613PGOOD2

REFIN8

REFOUT10

23TON1

TON29

25VCCA1

VCCA211

VDDP13

17VDDP2

VOUT124

7BST1

BST221

DH16

20DH2

2DL1

16DL2

EN_PSV122

FBK126

FBK212

4ILIM1

ILIM218

LX1

5

LX219

PGND11

PGND215

27PGOOD1

*

VCC5B

U517

SC1486

AGND128

14AGND2

C852

10uF

R425

10K

21

10uF

C324* RB551V-30D5252 1

D524 RB551V-30

0.1uFC856

TP5607

TP5600

TP5601

TP5602

VCC2_5BGD

TP5604

A_ON

B_ON

www.laptop-schematics

.com

Page 58: LG Laptop Motherboard Schematic Diagram

www.laptop-schematics

.com

6

4

5

C

A

3

C

1

D

3

1

B

2

A

4

B

52www.laptop-schematics

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