SONY service manual HCD RG88

17
SERVICE MANUAL COMPACT DISC DECK RECEIVER E Model HCD-RG88 Ver 1.0 2002.03 9-873-655-01 Sony Corporation 2002C0500-1 Home Audio Company C 2002.03 Published by Sony Engineering Corporation SPECIFICATIONS HCD-RG88 is the amplifier, CD player, tape deck and tuner section in MHC- RG88. – Continued on next page – Model Name Using Similar Mechanism HCD-RG77 CD CD Mechanism Type CDM58E-30BD60C Section Base Unit Name BU-30BD60C Optical Pick-up Name A-MAX.3 TAPE Model Name Using Similar Mechanism HCD-RG77 Section Tape Transport Mechanism Type TCM-230AWR41CS Amplifier section The following are measured at AC 120, 220, 240V 50/60 Hz DIN power output (rated) 160 + 160 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference) 210 + 210 watts (6 ohms at 1 kHz, 10% THD) Inputs GAME (VIDEO): 1 Vp-p, 75 ohms (phono jack) GAME (AUDIO): Voltage 250 mV, (phono jacks) impedance 47 kilohms MD/VIDEO (AUDIO) IN: voltage 450 mV/250 mV, (phono jacks) impedance 47 kilohms MIC: sensitivity 1 mV, (phone jack) impedance 10 kilohms Outputs VIDEO OUT: max. output level 1 Vp-p, (phono jacks) unbalanced, Sync. negative load impedance 75 ohms PHONES: accepts headphones of (stereo mini jack) 8 ohms or more FRONT SPEAKER: accepts impedance of 6 to 16 ohms SURROUND SPEAKER: accepts impedance of 24 ohms or more SUBWOOFER accept impedance of 8 ohms or more CD player section System Compact disc and digital audio system Laser Semiconductor laser (λ=795nm) Laser Output Max. 44.6 μW* *This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block with 7 mm aperture. Frequency response 2 Hz – 20 kHz (±0.5 dB) Wave length 795 nm CD OPTICAL DIGITAL OUT (Square optical connector jack, rear panel) Wave length 660 nm Output Level –18 dBm Tape player section Recording system 4-track 2-channel stereo Frequency response 50 – 13,000 Hz (±3 dB), using Sony TYPE I cassette

description

Complete service manual

Transcript of SONY service manual HCD RG88

Page 1: SONY service manual HCD RG88

SERVICE MANUAL

COMPACT DISC DECK RECEIVER

E Model

HCD-RG88Ver 1.0 2002.03

9-873-655-01 Sony Corporation2002C0500-1 Home Audio Company

C 2002.03 Published by Sony Engineering Corporation

SPECIFICATIONS

HCD-RG88 is the amplifier, CD player,tape deck and tuner section in MHC-RG88.

– Continued on next page –

Model Name Using Similar Mechanism HCD-RG77

CD CD Mechanism Type CDM58E-30BD60C

Section Base Unit Name BU-30BD60C

Optical Pick-up Name A-MAX.3

TAPE Model Name Using Similar Mechanism HCD-RG77

Section Tape Transport Mechanism Type TCM-230AWR41CS

Amplifier section

The following are measured at AC 120, 220, 240V50/60 HzDIN power output (rated) 160 + 160 watts

(6 ohms at 1 kHz, DIN)Continuous RMS power output (reference)

210 + 210 watts(6 ohms at 1 kHz,10% THD)

InputsGAME (VIDEO): 1 Vp-p, 75 ohms(phono jack)GAME (AUDIO): Voltage 250 mV,(phono jacks) impedance 47 kilohmsMD/VIDEO (AUDIO) IN: voltage 450 mV/250 mV,(phono jacks) impedance 47 kilohmsMIC: sensitivity 1 mV,(phone jack) impedance 10 kilohms

OutputsVIDEO OUT: max. output level 1 Vp-p,(phono jacks) unbalanced, Sync.

negative load impedance75 ohms

PHONES: accepts headphones of(stereo mini jack) 8 ohms or moreFRONT SPEAKER: accepts impedance of 6 to

16 ohmsSURROUND SPEAKER: accepts impedance of

24 ohms or moreSUBWOOFER accept impedance of

8 ohms or more

CD player section

System Compact disc and digitalaudio system

Laser Semiconductor laser(λ=795nm)

Laser Output Max. 44.6 µW**This output is the valuemeasured at a distance of200 mm from theobjective lens surface onthe Optical Pick-up Blockwith 7 mm aperture.

Frequency response 2 Hz – 20 kHz (±0.5 dB) Wave length 795 nmCD OPTICAL DIGITAL OUT(Square optical connector jack, rear panel)Wave length 660 nmOutput Level –18 dBm

Tape player sectionRecording system 4-track 2-channel stereoFrequency response 50 – 13,000 Hz (±3 dB),

using Sony TYPE Icassette

Page 2: SONY service manual HCD RG88

HCD-RG88

2323

SECTION 7DIAGRAMS

7-1. BLOCK DIAGRAM – CD SERVO Section –

SQSO

SQCK

A/DCONVERTER

CH1OUTR

CH1OUTF

6

7

8

9

16

18

11

10

12

21

51

49

48

43

24

4140 39

64 15

28

29

30

31

32

33

24

25

23

6

5

3

2

17

18

15

16

CD A+5V

DETECTOR

A

B

C

D

RFSUMMING

AMP

FOCUSERROR AMP

TRACKINGERROR AMP

RFAC

FE

RF AMP,FOCUS/TRACKING ERROR AMP

IC103

TEE

FF I-V AMP

E I-V AMP

AUTOMATICPOWER

CONTROLQ101

APC LDAMP

LD

LDPD

LASER DIODE

RFAC

ASYO

ASYI

ASYMMETRYCORRECTION

DIGITALPLL

DIGITAL SIGNAL PROCESSOR,DIGITAL FILTER, D/A CONVERTER

IC101 (1/2)

DATA

XLAT

CLOK

14 5 6

MDP

26 7 8

XLON

3

XRST

DIGITALCLV

D/AINTERFACE

SE TE FERF

DCFO

CUS/

TRAC

KING

/SLE

DSE

RVO

DSP

FOCU

S/TR

ACKI

NG/S

LED

PWM

GEN

ERAT

OR

SFDR

CH3FIN

CH4SIN

CH3RIN

CH3OUTF

CH3OUTR

CH2RIN

CH2FIN

CH1RIN

CH1FIN

20MUTE

SRDR

TFDR

TRDR

FFDR

FRDR

EMPH

WFC

KGF

S

MIRR/DFCT/FOK

DETECTOR

SERVO AUTOSEQUENCER

SERVOINTERFACE

CPU INTERFACE

18

6362

6119

SENS

20

363735

34 19

SCOR

SQ-D

ATA-

INSQ

-CLK

XLTCD-CLKCD-DATA

SENS

SCOR

1 2

32 33

SCLK

COUT

9 21

SSTP

27

FOK

2223

MIRRDFCT

TO SERVO INTERFACE

CH4OUTF

CH4OUTRM101

(SPINDLE)MOTORDRIVE

MOTORDRIVE

CH2OUTR

CH2OUTF

M

M

M102(SLED)

FOCUS/TRACKING COIL DRIVE,SPINDLE/SLED MOTOR DRIVE

IC102

2-AXISDEVICE

(TRA

CKIN

G)(F

OCUS

)

DIGITAL SERVOPROCESSORIC101 (2/2)

OPTICAL PICK-UPBLOCK

(A-MAX. 3)

SW

PD

11

12

14

13

54 56 53 55

FILTER

FILO

PCO

CLTV FILI

EFMDEMODULATOR

SERIALIN

INTERFACE

DIGITALFILTER,

NOISE SHAPER

PWM&

INTEGRATORBUFFER

CLOCKGENERATOR

TIMINGLOGICDIGITAL

OUT

INTE

RNAL

BUS

16KRAM

ERRORCORRECTOR

SUBCODEPROCESSOR

60

43 XRST

AIN1

AIN2

AOUT1

AOUT2

TO MIRR/DFCT/FOK DETECTOR

PCMDBCK

LRCKC2PO

DOUT

70

77

LOUT1

LOUT2R-CH

72

75

71

76

A(Page 25)

EQIN

1534 EQ

ACSUM

17FEI

RF DCAMP 28

RFDCO

29RFDCI

19TE BAL

COILDRIVE

COILDRIVE

242628

BU-PWM3BU-PWM2BU-PWM1

PWM1

PWM3

PWM2

PWM3PWM2PWM1

40 LD-ON 48

49

BU UP/DOWN-SW

TBL-SENS

50CD-MUTE

DISC TRAYSTATUS SENSOR

IC711

LASER DIODEON SWITCHQ202 – 205

OPEN-SW 46

CLOSE-SW 47

OPEN

CLOSE

S701DISC TRAY OPEN/CLOSE

DETECT

S711OPTICAL PICK-UPUP/DOWN DETECT

LOAD-OUT 45LOAD-IN 44 9

7RINFIN

MOTORDRIVE 4

2OUT1OUT2

TURN MOTORDRIVERIC701

M721(TURN)M

SYSTEM CONTROLLER(CD MECHANISM CONTROL)

IC501 (1/4)

• SIGNAL PATH: CD PLAY (ANALOG)

: CD PLAY (DIGITAL OUT)

• R-ch is omitted due to same as L-ch.

OPTICALTRANSCEIVER

IC201

CD DIGITAL OUTOPTICAL

CDL-CH

RFACVCA

(LIMIT)When the opticalpick-up is inner position

ON :

E-F BALANCE(1 TRACK JUMP)

RV101

MUTINGQ201

MUTING CONTROLSWITCH

Q206, 207

R-CH

67 66

XTAO

XTAI

X10116.9344MHz

Page 3: SONY service manual HCD RG88

HCD-RG88

2424

7-2. BLOCK DIAGRAM – TUNER/TAPE DECK Section –

FM ANT

ANT GND

AM ANT

ANT GND ST-DINST-CLK

ST-CEST-MUTE

TUNEDSTEREO

L-CH

R-CH

ST-DOUT

TUNER UNIT

FM 75Ω

AM

R-CH

25

ST-D

IN

23

ST-D

OUT

27

ST-C

LK

22

ST-C

E

21

ST-M

UTE

DI DO CLK CE

MUT

ING

3

TUNE

D

2

STER

EO

TUNE

DST

EREO

R-CH

L-CH

R-CH

L-CH

R-CH R-CH

HP901(PB)

HRPE901(REC/PB/ERASE)

13

2

4

R-CH R-CH

REC/PB SWITCHINGIC302

R-CH

BIAS OSCT301

BIASTRAP

REC BIASSWITCH

Q301, 307, 310TC +10V

BIAS OSCQ302, 303

TRIGGERPLUNGER DRIVE

(DECK B)Q391, 392

PM902TRIGGER PLUNGER

(DECK B)

51

A-TR

IG

TRIGGERPLUNGER DRIVE

(DECK A)Q393, 394

PM901TRIGGER PLUNGER

(DECK A)

52

B-TR

IG

90B-

SHUT

89

A-SH

UT

34

32BIN1

AIN1

15 13 12 14

28 27EQOUT1 26

PB-OUT1TAI1

MUTE

DECK A/B SELECT SWITCH,PB EQ AMPIC301 (1/2)

R-CH

23

REC-OUT1 REC-IN1

ALC1

REC EQ AMP, ALCIC301 (2/2)

21

R-CH

R-CH

68

ALC

C (Page 25)

TAPEL-CH

B (Page 25)

TUNERL-CH

D (Page 25)

RECL-CH

55 CAPM-CNT1

54 CAPM-H/L

65 BIAS

CAPSTANMOTOR DRIVE

Q396, 397MMM901

(CAPSTAN)

57

B-PL

AY

56

A-PL

AY

11

ALC

ON/O

FF

S1002(DECK B PLAY)

S1001(DECK A PLAY)

70

A-HA

LF

S1003(DECK A HALF)

91

B-HA

LF

S1006(DECK B HALF)

S1009(DECK B REC)

S1005(DECK A REC)

D +3.3V

SYSTEM CONTROLLER(CD MECHANISM CONTROL)

IC501 (2/4)

• SIGNAL PATH• R-ch is omitted due to same as L-ch.

: TUNER (FM/AM)

: TAPE PLAY (DECK A)

: REC

: TAPE PLAY (DECK B)

ROTATIONDETECT SENSOR

(DECK A)IC1001

ROTATIONDETECT SENSOR

(DECK B)IC1002

DO

CEMUTING

TUNEDSTEREO

DI

CLK

REC BIAS (L)(DECK B)

RV304

REC BIAS (R)(DECK B)

RV354

CAPSTAN MOTORCONTROL SWITCH

Q1001

Q395

TAPE SPEED(HIGH)

RV1001

TAPE SPEED(NORMAL)

RV1002

A/B

NORM

AL/H

IGH

SPEE

D

MUT

E ON

/OFF

REC

MUT

E ON

/OFF

A/B

NOR/

HIGH

REC

MUT

E

58 5361 67 66

A/B

NOR/

HIGH

REC-

MUT

EPB

-A/B

EQ-H

/N

TC-M

UTE

AMS-

IN

REC

MUT

E

EQ

ALC REC LEVEL (L)(DECK B)

RV301

69

TC-R

ELAY

+

MUTINGQ306

MUTING CONTROLSWITCH

Q389

BUFFERQ390, 398, 399

LOW-PASSFILTERIC303

24

ANTENNA

REC/PBSWITCHINGQ304, 305

D +3.3VD +3.3V

Page 4: SONY service manual HCD RG88

HCD-RG88

2525

7-3. BLOCK DIAGRAM – MAIN Section –

GEQ

DATA

GEQ

CLK

81 82

M891(FAN)

+–+–

+–+

FRONT SPEAKERIMPEDANCEUSE 6–16Ω

L

R

SURROUNDSPEAKER

IMPEDANCEUSE 24Ω

L

R

PHONESJ631

RY501

SYSTEM CONTROLLER(CD MECHANISM CONTROL)

IC501 (3/4)

R-ch is omitted due to same as L-ch.

CD L-CHA(Page 23)

TAPE L-CHC(Page 24)

TUNER L-CHB(Page 24)

T501

D507

D511

FAN MOTORDRIVE

Q891, 892

FAN MOTORON SWITCH

Q831

OVER LOADDETECT SWITCH

Q510

PROTECT SWITCHQ502

OVER LOADDETECT SWITCH

Q509

OVER LOADDETECT

Q501, 551 DC DETECTSWITCH

Q507, 508

M

HEADPHONE MUTINGQ812, 862

MUTING CONTROLSWITCH

Q861

RY502

+

+

+TH701

+D502

MUTINGQ103

MUTING CONTROLSWITCH

Q504, 505

STANDBYSWITCH

Q503, 504, 581

R-CH

D841

R-CH

R-CH

1815

1716

OUT1VOLIN1

14

2221

TOUT1 VOLUMECONTROL

SOUNDCONTROLCIRCUIT

INPUTSELECTSWITCH

+R-CH

8

+ R-CH

R-CHR-CH

INPUT SELECT SWITCH,TONE CONTROL,

ELECTRICAL VOLUMEIC102

IND1INB1

INA1INC1

64

3

2

INEX1

SWOU

T

BB B

1

BB A

1

RECB

1

DATA

CLOC

K

7

5

24

SAOU

T

MIC

19

+CPU

INTERFACE

R-CH

J750

L

R

MD/VIDEO(AUDIO) IN

R-CH

J601

J401

L

RGAMEINPUT

REC L-CHD(Page 24)

SPEANA(Page 26)

MIC

AUDIO

VIDEO OUT

VIDEO

J721 MIC AMPIC722 (1/2)

FEED BACKSWITCH

Q101

SIGNAL PATH: TUNER (FM/AM)

: CD PLAY

: TAPE PLAY

: MD/VIDEO (AUDIO) IN: GAME INPUT (AUDIO): GAME INPUT (VIDEO)

: REC

: MIC INPUT

SURROUNDSPEAKER PROTECT

RELAY DRIVEQ513

FRONT SPEAKERPROTECT

RELAY DRIVEQ512

–2

–1

POWER AMPIC501

RV722MIC LEVEL

MICCONTROL

Q721

A +10V

MIC AMPIC722 (2/2)

E

+ SUB WOOFEROUT

IMPEDANCEUSE 8Ω

TM801

RY801

SUB WOOFERPROTECT

RELAY DRIVEQ824

–1

–2

OVER LOADDETECT SWITCH

Q511

OVER LOADDETECT SWITCH

Q825

87FRONT-RELAY

97SW RELAY

80LINE-MUTE

86LINK-RELAY

78HP MUTE79HP-DETECT

88PROTECTOR

83STK-MUTE

TEMPERATUREDETECT SWITCH

Q505, 506

BUFFERIC901 (2/2)

LOW-PASSFILTER

IC901 (1/2)974 VOLUME

CONTROL2

8

LINE AMPIC903 (1/2)

FILTER AMPIC903 (2/2)

AGCQ905

MUTINGQ999 OVER LOAD

DETECTQ1004, 1054

STANDBYSWITCH

Q1001-1003

LINE AMP,ELECTRICAL VOLUME

IC902

SUB WOOFER AMPIC502 (1/2)

SUB WOOFER AMPIC502 (2/2)

1AD-KEY

7SW-SOLID-LED

5SW-LINK-LED

94 SW-AD-KEY

59 SW-ON-LED

71 SW-LINK-LED

72SW-MATRIX-SURR-1-LEDSW-MATRIX-SURR-2-LED60

4SW-MTRX-SURR-LED

6SW-WIDE-LED

2VOLUME

CN101

(TO SS-WGV8)SYSTEM CONTROL

Page 5: SONY service manual HCD RG88

HCD-RG88

2626

FL601FLUORESCENT

INDICATOR TUBE

1 –

10, 1

2 –

22,

24 –

41,

43,

44

P1 –

P41

1G –

15G

100

– 86

17 –

12

67 –

72

64 –

66

F01

– F0

6

BPF0

– B

PF5

4 LINE IN

11L+R

BAND-PASSFILTERIC602

73 ALL-BAND6 REC IN

80 VOLUME-A79 VOLUME-B

ROTARYENCODER

S748VOLUME

X(Page 25) ESPEANA

X6014MHz

83 X1

82 X0

52 –

59,

74

LED-TAPE,LED-TUNER,

LED-MD-VIDEO,LED-CD,

LED-GAME,LED-DISC1,LED-DISC2,LED-DISC3,

LED-REC

LED DRIVEQ601 – 605,

Q791 – 793, 795

D604 – 608,D791 – 793, 795

D794

KEY0

– K

EY2

S751, 752, 754 – 762,S765 – 780, 782 – 792

60I2C-DATA61I2C-CLOCK77RESET

30 IIC-DATA29 IIC-CLK41 GC-RESET

74 POWER-KEY

73 DISPLAY-KEY

S749

S750DISPLAY

75 STBY-LED

4 SIRCS

X50216MHz

15 X-IN

13 X-OUT

X50132.768kHz

10 XC-IN

11 XC-OUT

38CD-POWER

SYSTEM CONTROLLER(CD MECHANISM CONTROL)

IC501 (4/4)

84STBY-RELAY

12RESET

20AC-CUT

B+ SWITCHQ911, 912

RECTD906 – 909

RECTD914 – 917

CD +3.3V+3.3V

REGULATORQ102

+5VREGULATOR

IC911

M +9V

M +7V

A +10VTC +10V

D920 – 922

D502 D504

D501 D503

+4VREGULATOR

IC951

+4VREGULATOR

IC971

D +4V

+9VREGULATOR

IC961

+10VREGULATOR

IC101

CD D+5VCD A+5V

RESET SIGNALGENERATOR

IC601 D505

RECTD918, 919, 923, 924

RECTD972 – 975

LED DRIVEQ794

T972SUB POWER

TRANSFORMER

RECTD541

RECTD543

+VL

–VL

+VH

–VH

– 33VREGULATOR

Q941

POWER ON/OFFRELAY DRIVE

Q971

– VGRECTD977

VF1

VF2

RY971

(E, Singapore)

(Mexican, Argentina)

AC IN

T910MAIN POWER

TRANSFORMER

RESETSWITCH

Q601

REMOTE CONTROLRECEIVER

IC603

TO FLUORESCENTINDICATOR TUBE

FL601

D +3.3V

EVER +4V

VOLTAGESELECTOR

S901

FLUORESCENTINDICATOR TUBE DRIVER,

KEY CONTROLIC601

7-4. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –

Page 6: SONY service manual HCD RG88

HCD-RG88

2929

7-7. SCHEMATIC DIAGRAM – BD Board – • See page 28 for Waveforms. • See page 50 for IC Block Diagrams.

• Voltages and waveforms are dc with respect to groundunder no-signal conditions.no mark : CD PLAY

The components identified by mark 0 or dottedline with mark 0 are critical for safety.Replace only with part number specified.

AMAIN

BOARD (1/4)CN201

1

2

3

4

5

6

RV101

E-F BALANCE(1 TRACK JUMP)

TP(RFDC)

TP2(TEO)

TP(DVC)

680

220k

33kTP

(FEI)

TP(RFAC)

Q1012SB710A-RT1AUTOMATIC

POWER CONTROL

RF AMP,FOCUS/TRACKING

ERROR AMP

FOCUS/TRACKING COIL DRIVE,SPINDLE/SLED MOTOR DRIVE

TP(FEO)

DIGITAL SERVO PROCESSORDIGITAL SIGNAL PROCESSOR,

DIGITAL FILTER,D/A CONVERTER

Q1022SD1664-T100-QR+3.3V REGULATOR

DSP+5V (SW)

D-OUT

DSP-GND

L-CH

RF-GND

R-CH

RF+5V (SW)

X-RST

CD-DATA

CD-CLK

LD-ON

SQ-DATA

SQ-CLK

M-GND

M+7V (UNSW)

X-LAT

(Page 34)

Page 7: SONY service manual HCD RG88

HCD-RG88

3232

CMAIN BOARD (3/4)

CN304

[3.3] [3.3]

[∗] 2.9<<2.9>>

[1.5

]∗

<<∗

>>

(CAPSTAN)

CAPSTAN MOTORCONTROL SWITCH

TAPE SPEED(NORMAL)

TAPE SPEED(HIGH)

ROTATIONDETECT

SENSOR (DECK A)

ROTATIONDETECT

SENSOR (DECK B)

+3.3V

+3.3V

CAPM−

CAPM+

CAPMH/L

ATRGM+

TRGMGND

BTRGM+

S1001(DECK A PLAY)

S1002(DECK B PLAY)

S1003(DECK A HALF)

S1005(DECK A REC)

S1006(DECK B HALF)

S1009(DECK B REC)

C100133

10V

PM902(DECK B)

PM901(DECK A)

+3.3V

+3.3V

7-11. SCHEMATIC DIAGRAM – SW Board –

• Voltages are dc with respect to ground under no-signalconditions.[ ] : TAPE PLAY (DECK A) : TAPE PLAY (DECK B)⟨⟨ ⟩⟩ : REC

∗ : Impossible to measure

(Page 36)

Page 8: SONY service manual HCD RG88

HCD-RG88

3434

7-13. SCHEMATIC DIAGRAM – MAIN Board (1/4) –

• Voltages are dc with respect to ground under no-signal(detuned) conditions.no mark : TUNER (FM/AM)( ) : CD PLAY

C702

C140

C210 C209

C206

C207

C203

R204

R254

C189

R285

Q201

R284

C163

C161R151

R152

C1

59

C1

68

C1

55

C1

56

C1

53

C1

58

R153

C1

64

C1

65

R101

C1

09

C1

08

C1

06

C1

05

C1

18

C1

03

C1

50

C1

01

R105

C110

R103

C119

R104

R121

C121 D121

C190 R191 C157 R155 C705

Q103

Q153

R163

R165

CN702

C703

C704

R154

C175

D1

22

C115C114

Q251R159

R701

R751 C751 R752

R702C701

CN202

CN783

R150

C122

R122

R166 R164

C125

R116 R113

R114

R1

15

J750

R156 D841

R157

EPT901

Q151

Q101

IC102

FB701

FB751

C200

L201

C201

FB201CN201 C2

28

C2

26

C2

24

R224

R226

R228

C202

FB210

FB215

FB219

FB218

FB217

FB216

FB214

FB213

FB212

FB211

C212 C211

FB208

Q207

Q206

Q205

Q202

R208R206

R209

R2

07

IC201

J401

C752

R286

C113

R109

C104 R108

C205

FB203

FB204

FB2

20

Q204

Q203

R158C154

R212

R217

R219

C112

C162

C116C117

C180

R180

JW704

R190

R162

R102

C111

C1

60

2.2 50V

0.1

0.1 47010V

0.1

1000 6.3V

0.022

10k

10k

0.1

22k

2SC3661

470k

1050V

0.00682.2k

10k

0.0

22

10

50

V

10

50

V

10

50

V

10

50

V

0.0

22

10k

0.2

2

0.3

3

2.2k

0.0

22

0.0

22

10

50

V

10

50

V

10

50

V

10

50

V

10

50

V

10

01

6V

10k

0.047

10k

1050V

47k

1k

470p 1SS355

1050V 2.2k 0.47

50V 1M 0.1

2SC3661

2SC3661

1k

10k

11P

0.022

0.022

47k

4.7 50V

1S

S3

55

0.330.22

2SC366133k

1k

1k 220p 100k

100k220p

10P

2P

2.2k

470p

1k

10k47k

4.750V 10k 1k

47k

10

k

2P

100k 1SS355

4.7k

2SC1623

2SC1623

M61519FP

0.1

10010V

21P

0.0

1

0.0

04

7

0.4

7

2.2k

330k

100k

10006.3V

0.001 0.022

FN1F4M

FA1A4M

2SC1623

2SC1623

10k10k

10k

10

k

TOTX141

1P

2.250V

22k

1050V

33k

10 50V 1k

0.022

2SA812

2SA812

1k10 50V

0

0

0

150V

150V

10016V0.1

0.068

10k

2.2k

620

620

0.033

0.0

33

A2

A3

A4

A5

A6

A7

A8

B1

B2

B3

B4

B5

B6

B7

B8

C1

C2

C3

C4

C6

C7

C8

24

26

28

43

35

37

40

32

34

33

19

27

25

23

22

3

2

21

81

82

44

45

46

47

48

49

36

50

AA1

AA2

AA3

AA4

AA

1A

A2

AA

3A

A4

ZZ1

ZZ2

ZZ3

D.GND

D-OUT

3.3V

GM(V)-GND

GM(V)-SIG

D-0UT

R-CH

L-CH

M-GND

X-RST

X-LAT

SENS

SQ-CLK

SQ-DATA

SCOR

CD-DATA

CD-CLK

M+7V(UNSW)

PWM3

PWM2

PWM1

LD-ON

DSP-GND

RF-GND

DSP+5V(SW)

RF+5V(SW)

D.GND

TBL ADDRESS SW

BU UP/DOWN SW

MGND

M+7V

OPEN SW

CLOSE SW

D+3.3V

MTR CNT2(LOAD IN)

MTR CNT1(LOAD OUT)

ST-CLK

ST+10V

TUNED

ST-CE

STEREO

ST-L

A-GND

ST-R

ST-MUTE

ST-DOUT/MC-DIN

ST-DIN /MC-DOUT

(1/4)

MUTING

MUTING

(CHASSIS)

AM

ANTENNATUNER

UNIT

FM

THE ASSEMBLED

BLOCK

∗SUPPLIED WITH

FEED BACK

SWITCH

FEED BACK

SWITCH

INPUT SELECT

SWITCH,

TONE CONTROL,

ELECTRICAL

VOLUME

MUTING

MUTING

Q206,207

MUTING CONTROL

SWITCH

OPTICAL

TRANSCEIVER

R

L

(AUDIO)IN

OPTICAL

VIDEO OUT

MD/VIDEO

CD DIGITAL OUT

Q202-205

LASER

DIODE ON

SWITCH

100µH

75Ω(Page 39)

(Page 29)

(Page 30)

(Page 36)

(Page 37)

(Page 35)

Page 9: SONY service manual HCD RG88

HCD-RG88

3535

7-14. SCHEMATIC DIAGRAM – MAIN Board (2/4) –

• Voltages are dc with respect to ground under no-signal(detuned) conditions.no mark : TUNER (FM/AM)

The components identified by mark 0 or dottedline with mark 0 are critical for safety.Replace only with part number specified.

R814

C783

CN891C892Q891

R891

R893

Q892

R921

CN781

CN901

R819

R869

R892R866

R816

R862

R864

R510

R865R863

R861

R508

R501

CN903

JW813JW815

Q504

Q505

C504

Q861

C861

Q862

Q812

C863

C813

TM801

M891

R825

JW901

JW902

Q825

Q824

D801

RY801

R803

1k

0.1

3P0.12SB1116

10k

2.2k

2SC2603

471W

10P

13P

6802W

6802W

4.7k56

56

10k

1k

470k

100k100k

1k

15k

68k

5P

FN1F4M

FA1A4M

150V

FN1F4M

4750V

2SC3661

2SC3661

4.7100V

4.7100V

3.3k

2SC1623

FA1L3Z

1SS355

270

A1

A2

A3

A4

A5

A6

A7

A8

D1

D2

D4

D5

D6

D7

D8

88

87

ZZ1

ZZ2

ZZ3

97

78

80

23

FAN+

FAN-

SP PROTECT IN

FAN DET

-B

R-IN

A-GND

SW PROTECT

HP-R

HP-L

POWER-GND

POWER-GND

L-IN

HP-R

HP-GND

HP-L

A+10V

MIC-SIG

GM(A)-R

GM(A)-GND

GM(A)-L

SW-

SW-

SW+

SW+

(2/4)

IMAGINARY_GND

-1

-2

SWITCH

DRIVE

SWITCH

MUTING

CONTROL

SWITCH

MUTING

CONTROL

SWITCH

MUTING

CONTROL

MUTING

HEADPHONE

MUTING

HEADPHONE

Q891,892

FAN MOTOR

DRIVE

(FAN)

MIC-AGND

HEADPHONE CONTROL

FRONT RELAY

DBFB FEEDBACK

SUB WOOFER OUT

OVER LOAD

DETECT

RELAY

PROTECT

SUB WOOFER

IMPEDANCE USE 8Ω

(Page 41)

(Page 34)

(Page 37)

(Page 43)

(Page 39)

Page 10: SONY service manual HCD RG88

HCD-RG88

3636

7-15. SCHEMATIC DIAGRAM – MAIN (3/4)/HEAD (A)/HEAD (B) Boards – • See page 28 for Waveforms.

The components identified by mark 0 or dottedline with mark 0 are critical for safety.Replace only with part number specified.

• Voltages and waveforms are dc with respect to groundunder no-signal conditions.[ ] : TAPE PLAY (DECK A) : TAPE PLAY (DECK B)⟨⟨ ⟩⟩ : REC

TP

31

1

R366

C312

R305R304

R316

R371

R374

R373

R377

R378

CN304

TP321

TP322

TP323

TP301

TP303

TP304

TP306

TP307

TP308

NO303

NO302

C321

C371

C326

C376

C335

C336

Q303

R3

45

C3

38

R3

46

C3

39

C3

40

C341 R347 C342

R328R317

Q310

Q307Q301

L351

C382

RV354

R382

C383 C381

Q305

Q304 R342R332

R329

C332

R351 C3

53

C3

55

R370R352C364 R354 RV351

IC303(2/2)

R313

R333 C316

C395

R398

IC303(1/2)

C398

C399 R397

C397

C315R315R327

R365 C365

R362

R334

CN301

C391 R314 C390

R393

RV304

C334 C384

Q302 C337

R375

C385

C331

L301

C333

R379 R392

R361 R391 R363 R399C363C362

Q392 Q394

R364R360

Q397

R369R368

R367

Q396

C356

R380C361

C351

C359

TP338

C310

C309

R311

R310

R312

R308

L302

R309

R306TP320

IC301

C301

R301

C303C305

C306

TP318TP325

RV301

C311

R330

R302

R394

Q390

Q398

Q399

R395

R388 R387

R390C396R396

Q395

Q393Q391

R344

T301

TP317

HP901

HRPE901 CN2

CN1

Q389

Q306

R320

C314

JR390

R355

C304

C354

TP

309

R343

C308C307

R307

3.3k

10 50V

47k2.2k

10k

47k

47k

1k

47k

75k

17P

8P

3P

390p

390p

390p

390p

0.01100V

2.250V

2SC2001

18

k

68

00

p

18

k

68

00

p

18

00

0p

1050V 3.3k 47

16V

2.2k10k

FA1A4M

2SA8122SC3624

27mH

0.00012

220k

8.2k

330p 0.01

FA1A4M

FN1F4M 2.2k8.2k

10k

0.00012

3.3k

0.1

15

0V

2.2k4.7k2200p 2.2k 47k

NJM4565M(TE2)

1k

2.2k 1

22p

2.2MNJM4565M(TE2)

0.01

0.01 15k

1050V

110k15k

10k 1

10k

100k

3P

10010V 1k 470

10V

4.7k

220k

27p 27p

2SC2001 15000p

75k

1050V

0.01

27mH

330p

10k 2.2k

2.2k 2.2k 2.2k 2.2k4700p4700p

FA1A4M FA1A4M

680680

FA1A4M

3.3k3.3k

47k

2SB1068

2.250V

22k1050V

0.01

4716V

10 50V

47 16V

100

100

100

100

4.7k

22k

HA12237

0.01

3.3k

0.11

50V

2.250V

47k

1050V

22k

4.7k

10k

FA1A4M

FA1A4M

2SC3624A

4.7k

22k 10k

10k2250V10k

FA1A4M

2SB11162SB1116

5.6

6P

3P

FA1A4M

FA1A4M

2.2k

2200p

47k

5.6

47016V10

50V

1M

B1

B2

B3

B4

B5

B6

B7

B8

E1

E2

E3

E4

E5

E6

E7

52

58

67

66

68

61

YY1

YY2

YY3

YY4

YY5

YY6

YY1

YY2

YY3

YY

3

YY

4

YY5

YY

5

YY

6

57

56

70

90

91

89

XX1

XX2

XX3

XX4

XX1 XX2 XX3 XX4

51 54 5569 65

53

L-PB

L-REC

R-PB

E-HOT

R-REC

L-PB

R-PB

CAPM+

AHALF

ASHUT

DGND

BSHUT

BMETAL

CAPM-

CAPMH/L

ATRGM+

BTRGM+

TRGMGND

BHALF

L

GND

R

GND

GND

GND

GND

EOU

T2

TA

I2

PB

-OU

T2

NC

REC

-IN

2

ALC

2

NC

REC

-OU

T2

A/B

VCC

GND

I-REF

TEST

REC

-OU

T1NC

ALC1

REC

-IN

1

NC

PB

-OU

T1

TA

I1

EQO

UT1PB-NF1B

AIN1

RIP

BIN1

GND

BIN2

NC

AIN2

RETNREC-

PB-NF2A

NF1APB- P

B-

EQ1

ALCDET

REC MUTEON/OFF

ON/OFFMUTE

SPEEDNORMAL/HIGH

OFF

PB

-EQ

2

NF2

BP

B-

ALC ON/S

W.R

2

GN

D

SW

.P2

CO

NT.

SW

.P1

GN

D

SW

.R1

VCC

GN

D

(3/4)

Q396,397

CAPSTAN MOTOR

DRIVE

INVERTER

Q393,394

TRIGGER PLUNGER

DRIVE(DECK A)

TRIGGER PLUNGER

Q391,392

DRIVE(DECK B)

Q301,307,310

REC BIAS

SWITCH

Q302,303

BIAS OSC

BIAS OSC

/70A120

BPLAY.SW

/70120B

APLAY.SW

(FOR ADJUSTMENT)

L-CH

R-CH

TAPE

1

7

ERASE

R-CH

L-CH

(REC/PB/ERASE)

(DECK B)

(DECK A)

(PB)

MECHANISM DECK

(TCM-230AWR41) (CHASSIS)

(CHASSIS)

MUTING CONTROL

SWITCH

MUTING

BUFFER

BUFFER

BUFFER

REC/PB SWITCHING

REC/PB SWITCHING

Q304,305

DECK A/B SELECT

SWITCH,

REC/PB EQ AMP,

ALC

LOW-PASS

FILTER

+3.3V

BLOCK

µPC1330H

100µH

IC301

(Page 34)

(Page 32)

(Page 37)

Page 11: SONY service manual HCD RG88

HCD-RG88

3737

7-16. SCHEMATIC DIAGRAM – MAIN Board (4/4) – • See page 28 for Waveforms.

• Voltages and waveforms are dc with respect to groundunder no-signal (detuned) conditions.no mark : TUNER (FM/AM)( ) : CD PLAY

[ ] : TAPE PLAY (DECK A) : TAPE PLAY (DECK B)⟨⟨ ⟩⟩ : REC

∗ : Impossible to measure

C920

D907 D906

D908D909

C919

C918

D916D917

D915 D914

C917

C916

D919D924

D923 D918

C914

C915

C910

R917

C911

IC951

C925 C951

IC961

C961

IC101

C922 C921

C909

D921

TP901

D509

D508

D501

D502

D503

D504

D505

D601

C434

C432

R532

C433

R541

R549

R448

R447

R446

R544

R545

R543

C546

R540

R432

R433

R434

R535

R536

R537

TP431

TP439

TP530

TP

52

9

R530

R529

R4

19

R4

20

R5

17

C516

C416

R575

C512

X502

R513

X5

01

C5

11

C510

R509

R5

11

R4

30

R4

29

R503R502

C502

TP437

TP485R584

R591

R590

R589

R585 R588

TP

46

3

C564

C562

CN401

C962

C932

CN501

D9

22

D9

20

C601

IC601

C602R604D603

R603 C603

C530

R602 D602

R601

TP514

R548

R5

47

R546

R579

TP516

CN904

R918

R919

Q912

IC911

JW951

C596

FB599

Q601

C598

C498

R593

FB516

R592

FB562

R583

R488

R574

R573

R580

Q911

CN902

R916

R999C907

Q999

R997

R998

C908

C923

IC902

C930

C903

R907

C906

C935

R906

R901

C905R913R914R912

D902

D901

R915

Q905

R920

C931

R908

C9

04

R902

C901

C902

R903

IC903(1/2)

IC901(2/2)

IC901(1/2)

IC903(2/2)

R904

R905

C928

C913

C926

C933

C912

R4

60

R4

59

R4

71

R4

72

R4

70

R5

57

R5

56

IC501R594

R493

R597

R494

R492

CN101

330025V

11ES2N 11ES2N

11ES2N11ES2N

0.1

0.1

11ES2N11ES2N

11ES2N 11ES2N

0.1

0.1

11ES2N11ES2N

11ES2N 11ES2N

0.1

0.1

220016V

2.2k

0.1

47010V 0.1

AN7809

0.1

M5F7810L

47016V 0.1

100025V

11ES2N

1SS355

1SS355

1SS355

1SS355

1SS355

1SS355

1SS355

1SS355

47p

47p

47k

47p

10k

100

100

100

100

100

100

100

0.001

100

100

100

470

470

100

470

10k

10k

0 4.7

k

10

k

22006.3V

0.1

10k

0.1

16MHz

0

32.7

68K

Hz

15

p

22p

10k

33

0k

10

0

10

0

10k10k

0.022

100

100

100

100

10k 10k

0.01

10010V

30P

47010V

47010V

4P

11

ES

2N

11

ES

2N

1050V

M62703ML

0.147k1SS355

47k 0.1

100p

4.7k 1SS355

220

10k

10

k

10k

10k

2P

2.2k

2.7k

FA1A4M

0.1

2SC1623

1050V

0.1

1k

4.7k

100

100

10k

10k

10k

RT1P137L-TP

13P

6.8k

2.2k2.250V

2SC3661

10k

4.7k

2216V

10016V

M5282FP-T1

1050V

1006.3V

5.6k

15

0V

10016V

2.2k

1k

2.2 50V4.7k4.7k4.7k

UDZ-TE-17-2.2B

1SS355

1M

2SK246

47k

0.01

0

22

p

12k

0.1

0.1

100k

NJM4565M(TE2)

NJM4565M(TE2)

NJM4565M(TE2)

NJM4565M(TE2)

6.8k

6.8k

0.1

0.1

1050V

1050V

22006.3V

10

0

10

010

0

10

0

10

0

10

0

10

0

M30620MCN-A09FP1k

100

10k

4.7k

C1

C2

C3

C4

C5

C6

C7

C8

D1

D2

D4

D5

D6

D7

D8

E1

E2

E3

E4

E5

E6

E7

53

58

65

66

67

68

69

52

51

54

55

70

90

91

89

56

57

24

26

43

35

37

40

33

32

19

44

45

46

47

48

49

5 6 7

81

28

34

61

83

84

86

87

77

76

29

30

50

78

94

97

38

88

60

72

71

59

60

71

72

59

80

82

94

4

73

74

75

41

36

84

86

83

27

21

22

25

23

32

RR1

RR2

RR3

RR4

RR1

RR2

RR3

RR3

RR4

RR4

41

29

30

4

73

74

75

38

*

IIC-DATA

SPEANA

IIC-CLK

SIRCS

KEY INT DISPLAY

KEY INT POWER

POWER LED

D+4V

D+4V

EVER+4V

EVER+4V

EVER+4V

VF(1)

VF(1)

VF(2)

VF(2)

VG

VG

A+10V

A+10V

A+10V

GC+4V

GC-RESET

D-GND

D-GND

D-GND

D-GND

A+10V

SPEANA

SPEANA

VOLUME

D+4V

DGND

AGND

SW-SOLID-LED

SW-WIDE-LED

SW-LINK-LED

SW-MTRX-SURR-LED

AD-KEY

VF(1)

VF(2)

FAN ON

-VG

AC4(1)

AC4(2)

AC3(1)

AC3(2)

EVER+4V

D-GND

STK MUTE

AGND

SW-IN

IIC-CLK

IIC-DATA

D+3.3V

D-GND

X-O

UT

VS

S

X-I

N

VC

C

NM

I

SC

OR

IIC

-CL

K

SQ-CLK

CD-DATA

CD-CLK

ST

-MU

TE

ST

-CE

ST

-DO

UT

ST

-DIN

ST

-CL

K

XRST

VC

C

VS

S

TC

-MU

TE

EQ

-H/N

PB

-A/B

MODEL-IN

AVSS

VREF

AVCC

TC

-RE

LA

Y

XC

-IN

XC

-O

UT

GN

D

GN

D

RE

C-M

UT

EBU UP/DOWN-SW

A-TRIG

B-T

RIG

CA

PM

-H/L

A-SHUT

A-H

AL

F

B-SHUT

A-P

LA

Y

B-HALF

B-P

LA

Y

CLOCK-OUT

TXD1

GEQ

SIR

CS

SU

R1

SU

R2

SU

R3

BU

-PW

M3

BU

-PW

M2

BU

-PW

M1

CD-POWER

SENS

OPEN-SW

CLOSE-SWSTBY-RELAY

FRONT-RELAY

LOAD-OUT

LOAD-IN

ON

/OFF

AU

DIO

OU

T

LD-ON

SQ-DATA-IN

TBL-SENSCA

PM

-CN

T1

SO

FT-T

ES

T

DIS

PLA

Y-K

EY

PO

WER

-KEY

STB

Y-L

ED

PROTECTOR

AM

S-I

N

TU

NE

D

STER

EO

DEST-IN

CD-MUTE

GA

ME

/VC

DV

IDE

O-O

UT

HP

-MU

TE

HP

-DE

TE

CT

SW

-LIN

K-L

ED

MUTE

DATA

LINK-RELAY

SW-AD-KEY

SW-RELAY

NO

-US

E

NO

-US

E

NO-USE

USE

NO-

DATA

IIC-

(4/4)

STBY RELAY

LINK RELAY

(FOR CHECK)

SYSTEM

CONTROL

(1/2)

(2/2)

BUFFER

LOW-PASS FILTER

(1/2)

LINE AMP

(2/2)

FILTER AMP

MUTING

B+ SWITCH

B+ SWITCH

AGC

+5V REGULATOR

+4V REGULATOR

GIO

GIO

GIO

+9V REGULATOR

GIO

+10V REGULATOR

GIO

RESET SIGNAL

GENERATOR

RESET

SWITCH

SYSTEM CONTROLLER

(CD MECHANISM CONTROL)NO-USE

RES

ET

AC

-CU

T

XLT

GC-RESET

SW

-MA

TR

IX-S

UR

R-2

-LE

D

BIA

S

GEQ CLK

NO-USE

ELECTRICAL VOLUME

LINE AMP,S

W-O

N-L

ED

AL

C

SW

-MA

TR

IX-S

UR

R-1

-LE

DLINE-

STK-MUTE

* R493

0

4.7k (E,MX,AR)

(SP)

µPC7805A

µPC3504

(Page 36)

(Page 34) (Page 35)

(Page 45)

(Page 41)

(Page 43)

Page 12: SONY service manual HCD RG88

HCD-RG88

3939

7-18. SCHEMATIC DIAGRAM – GAME IN Board –

• Voltages are dc with respect to ground under no-signal(detuned) conditions.no mark : TUNER (FM/AM)

JW611

C606

C604

JW610

C636

JW609

JW603

EP701

C747 IC722(1/2)C741

C719

C736

C737

IC722(2/2)C738

C718 C717

Q721

CLP702

EP703

JW613

TP732

TP731

TP733

TP734

TP735

TP736

TP737

TP738

TP739

TP741

TP742

NO606

NO607

J721

J631

C631

C630

R604

R605

R602

R603

C634

C716

C749

R743 C744

R742

R739

R738

R737

C743 R736

C740

R735R734 R744

C715

RV722

R721

R722R746

C635

J601

R745C7

48R740

2.250V

2.250V

0.1

2.250V

NJM4565D0.1550V

2.250V

1050V

1050V

NJM4565D2.250V

10010V

10010V

2SC2785TP

10P

2P

0.001

0.001

100k

100k

1k

1k

0.001

47p

0.1

10k 0.001

1k

100k

1k

22k

470p 10k

100p

180k100 100k

47p

50k

12k

18k1k

0.001

3P

100

0.0

22

2.2k

HP-L

HP-R

HEADPHONE CONTROL

A+10V

HP-GND

GM(A)-L

GM(A)-R

GM(A)-GND

GM(V)-SIG

GM(V)-GND

(CHASSIS)

(CHASSIS)

(CHASSIS)

MIC

L

R

AUDIO

VIDEO

GAME

INPUT

PHONES

MIC-AGND

MIC-SIG

MIC AMP

3

2

4

1

6

57

8

LEVEL

MIC

MIC

CONTROL

(Page 34)

(Page 35)

Page 13: SONY service manual HCD RG88

HCD-RG88

4141

NO1001

Q1002

R1068

R1069

R1023

C1060

C1059

C1009

C1010

D1003R1070

D1052

R1066

R1067

Q1054

Q1004

R1020R1014

R1015

R1018

R1019

R1017

Q1003

R1013

R1012

R1010 C1007

R1054

R1009

D1001R1007

C1006R1008C1005

Q1001

R1006R1005

R1011

R1004

R1022

C1008C1001

C1018

IC502(2/2)

C1002

C1004

R1003R1002

R1001

C1052

R1053R1051

C1054C1051

R1052

C1017

NO1002

IC502(1/2)

R1016

D1002

R1021

R1071

C1003

C1053

2P

2SA988

0.225W

0.225W

47k

0.047

0.047

0.047

0.047

1SS133T100k

1SS133T

15k

1k

2SC2785

2SC2785

10Ok10k

10k

0.225W

0.225W

1k

2SC2785

22k

2.2k

47k 4750V

47k

100

1SS133T22k

10050V33k22

100V

2SC2785

110k

100k

47k

100

22100V

4.750V

10000p

STK-402-120S

220p

10010V

1.5k47k

1k

220p

1.5k1k

10010V

4.750V

47k

4.750V

13P

STK-402-120S

15k

1SS133T

101/2W

101/2W

0.33

0.01

AGND

OVERLOAD_DET

SW_MUTE

VL+

IMAGINARY_GND

VL-

SW+

SW-

RCC_GND

SW-

SW+

SW+

SW-

IMAGINARY_GND

OVER LOAD

DETECT

OVER LOAD

DETECT

STANDBY

SWITCH

STANDBY

SWITCH

STANDBY

SWITCH

SUB WOOFER AMP

SW-IN

7-20. SCHEMATIC DIAGRAM – SUB WOOFER Board –

• Voltages are dc with respect to ground under no-signal(detuned) conditions.no mark : TUNER (FM/AM)

The components identified by mark 0 or dottedline with mark 0 are critical for safety.Replace only with part number specified.

(Page 37)

(Page 35)

(Page 43)

Page 14: SONY service manual HCD RG88

HCD-RG88

4343

7-22. SCHEMATIC DIAGRAM – POWER/SENSOR Boards –

• Voltages are dc with respect to ground under no-signal(detuned) conditions.no mark : TUNER (FM/AM)

The components identified by mark 0 or dottedline with mark 0 are critical for safety.Replace only with part number specified.

R533

R515

R514

R531

C942D941

R945R942R943

C525C523C524

JW567

JW566

C544

C545

EP501

D5

11

D5

07

D5

08

D509

R548R547

R545

JW517

Q510

Q502

D506

C516R544

R543

R537

Q507Q508

D502

R528

R532R521

Q505

R522

Q506

R592

R542

C526

Q513

R5

46

C514

R538C515

Q509

C507

C508

R509

R559

C558

C557

R507

R557

R505

R555

R516

R517

Q504

R513

R519

R582

R581

R561

C559

R518R512

Q581

Q503

C504

C554

R502

C502

R552

R551C551

R501C501

C552

C509

C512

C943

CN503

NO501

NO504

CN502

NO505CN701

Q941

D543

D510

JW563

JW604

TM501

R527

RY502

RY501R529 R530

Q512

Q501

D551

D501

D581

R511

Q551

Q831

JW573

CN1072

TH701

EP502

JW561

Q511

C541

C513

C5

91

R591

R541C546

C596

R523

R506

R556

R558

R560

IC501(1/2)

IC501(2/2)

R524

D503

C553

D504

D541

R565R564

R540

R539

R526R525

R520

R510

R508

R503

R553

R554

C5

42

C592

C517

C581

47k

22k

2.2k

220

1050V

MTZJ-T-72-33D

8.2k8.2k1k

0.010.010.01

0.1100V

0.1100V

1S

S1

33

T

1S

S1

33

T

1S

S1

33

T

1S

S1

33

T

47k47k

4.7k

2SC2785

2SC2785

1SS133T

10010V10k

68k

10k

2SC27852SC2785

1SS133T

47k

560k100k

2SC2785

100k

2SC2785

100k

100k

1050V

BA1F4M

22

k

10010V

47k2.250V

2SA1175

0.068

0.068

101/2W

101/2W

0.068

0.068

100k

100k

1k

1k

10k

10k

2SC1841

33k

68k

33k

33k

100

22100V

33k1

2SC1841

2SA988TP

10010V

10010V

47k

470p

47k

1k4.750V

1k4.750V

470p

22100V

0.01

10050V

13P

13P

3P

13P

2P2P

2SB1375

D5SBA20

1SS133T

56k 22k 22k

BA1F4M

2SC1841

1SS133T

1SS133T

1SS133T

100

2SC1841

2SC2785

8P

2SC2785

0.1

0.01

0.1

100k

100k2200100V

2200100V

82k

22k

22k

0.15W

0.15W

STK412-150

STK412-150

3.3k1W

MTZJ-T-72-18C

220p

MTZJ-T-72-18C

RBV-2506

4.7k4.7k

6802W

6802W

56k47k

3.3k1W

0.15W

0.15W

220

220

47k

22

00

42

V

220042V

1050V

2250V

AA1

AA2

AA3

AA4

AA5

AA6

AA7

AA8

AA1

AA2

AA3

AA4

AA5

AA6

AA7

AA8

VH

VH

GND

GND

VL

VL

AC3

AC3

AC4

AC4

VP

VF

VF

STBY RELAY

D-GND

R-IN

A-GND

L-IN

STK MUTE

STBY RELAY

D-GND

-B

FAN ON

DBFB FEEDBACK

FAN DET

SP PROTECT IN

FRONT RELAY

OVERLOAD_DET

SW_MUTE

VL+

IMAGINARY_GND

VL-

SW+

SW-

SW PROTECT

RCC_GND

LINK RELAY

-VG

EVER+4V

VF(1)

VF(2)

AC4(1)

AC4(2)

AC3(1)

AC3(2)

-33V

REGULATOR

(CHASSIS)

-1

-2

R

L

R

L

FRONT SPEAKER

FRONT SPEAKER

DRIVE

PROTECT RELAY

-1

-2

PROTECT

SWITCH

OVER LOAD

DETECT SWITCH

Q507,508

DC DETECT SWITCH

OVER LOAD

DETECTSWITCH

STANDBY

SWITCH

STANDBY

SWITCH

STANDBY

POWER AMP

OVER LOAD

DETECTDETECT SWITCH

Q505,506

TEMPERATURE

FAN MOTOR

ON SWITCH

SURROUND

SPEAKER

PROTECT

RELAY

DRIVE

(CHASSIS)

POWER-GND

POWER-GND

HP-R

HP-L

2

4

3

1

2

41

3

EVER+4V

Q509-511

IMPEDANCE USE 6 − 16Ω

IMPEDANCE USE 24ΩSURROUND SPEAKER

C503220p

47kR504

(Page 41)

(Page 36)

(Page 49)

(Page 49)

(Page 37)

Page 15: SONY service manual HCD RG88

HCD-RG88

4545

7-24. SCHEMATIC DIAGRAM – PANEL/CD OPEN/CD SWITCH Boards – • See page 28 for Waveform. • See page 50 for IC Block Diagram.

• Voltages and waveform are dc with respect to ground un-der no-signal (detuned) conditions.no mark : TUNER (FM/AM)

FL601

CN601

TP

60

2

TP

60

3

TP

60

4

TP

605

TP

606

TP

60

7

TP

608

TP

609

TP

61

0

TP

61

1

TP

61

2

TP

61

3

TP

61

4

TP

61

5

TP

61

6

TP

61

7

TP

61

8

TP

61

9

TP

62

0

TP

62

1

TP

62

2

TP

62

3

TP

62

4

TP

62

5

TP

62

6

TP

62

7

TP

62

8

TP

62

9

TP

630

TP

63

1

TP

63

2

TP

63

3

TP

63

4

TP

635

TP

636

TP

63

7

TP

63

8

TP

639

TP

64

0

TP

64

1

TP

64

2

TP

64

3

TP

64

4

TP

64

5

TP

64

6

TP

64

7

TP

64

8

TP

64

9

TP

650

TP

65

1

TP

65

2

TP

65

3

TP

65

4

TP

655

TP

656

TP

65

7

TP

658

TP674

TP675

TP676

TP677

TP678

TP679

TP680

TP701

TP702

TP703

TP704

TP705

TP706

TP707

TP708

TP709

TP710

TP711

TP712

TP713

TP714

TP715

TP716

TP717

TP718

TP719

TP720

TP721

TP722

TP723

TP724

TP725

TP726

TP727

TP728

TP729

TP730

TP681

IC602

C608

C610

D614

Q601Q602Q603

X601 NO604

CNS601

Q604Q605Q795Q794

D605D608

C622

C652

TP601

NO602

C619

C653

S749

D612

D792 D791D793

S788 S789 S790 S791

NO603

R618

C611 C612 R681 R680

FB6

03

R749

R795

D604D606D607D795

R660

C620 C618

R613

C609 R614

R611

R606

R607

R8

21

R8

22

R8

23

R8

24

R8

20

R8

19

R8

25

R646

R645

R647

D610

R792

S792

R800 R799 R798

R788 R789 R790 R791

R751

S751

R779

R662

R6

63

R661

R6

55

R6

56

C712

R657

R658

R659

R654

R652

R653

R8

17

R8

18

C623C6

29

C6

28

C6

27

C6

26

C6

25

C6

24

C711

C651

S787

S786

S785

S784

S782

S783

S779

R780

R781

R782

R783

R784

R785

R786

R787

Q791Q792Q793

R601 C613

R626R627R628R629R630

D794

R612

R682

S780

JW619

JW620

JW621

JW622

C710

IC601

R801

30P

BA3830F-E2

1050V

1050V

IIES2

BA1A4MBA1A4MBA1A4M

4MHz 8P

8P

BA1A4MBA1A4MBA1A4MBA1A4M

SEL5923ASEL5923A

4.750V

1050V

6P

4710V

1050V

IIES2

SEL5923A SEL5923ASEL5923A

6P

10k

1050V 0.01 680 330

270

150

SEL5923ASEL5923ASEL5923ASLR325VC

1M

0.01 0.01

27k

0.0033

33k

47k

270k

270k

68

0

68

0

68

0

68

0

68

0

39

0

39

0

100

10k

100

MTZJ-T-72-5.1B

68k

150 150 150

10k 15k 22k 33k

470

470

10k

10

k

10k

10

0

10

0

0.01

15k

15k

15k

100

10k

10k

1k

1k

0.001

0.0

1

0.0

1

0.0

1

0.0

1

0.0

1

0.0

1

0.01

0.1

680

1k

1.5k

1.5k

2.2k

3.3k

4.7k

6.8k

BA1A4MBA1A4MBA1A4M

82k 6.850V

330330330330330

SELS5223S

22k

22k

0.01

MB90M407PF-G-119-BND

220

65

48

60

61

73

72

69

67

70

71

72

73

68

12

13

14

15

16

17

18

19

20

21

22

24

25

26

27

28

29

30

10 9 8 7 6 5 4 3 2 1

100

99

98

97

96

95

94

71

70

69

68

67

79

80

77

77

93

86

87

88

89

90

91

92

52

53

54

55

56

74

2345678910

12

13

14

15

16

17

18

19

20

21

22

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

44

88

87

86

89

90

91

92

93

94

95

96

97

98

99

100

52 53555456

57

58

59

31

32

33

34

35

36

37

38

39

40

41

43

44

61

60

1

49 51

43

48

74

64

65

79

80

66

64

56

54

53

52

51

49

AA1

AA2

AA3

AA1 AA2 AA3

57

58

59 66

F1

F1

NP

NP

NP

NP

F2

F2

F2

NP

NP

NP

NP

F1

VG

VCC-CPU

VSS-CPU

AV

SS

AV

CC

MD

2

VKK

MD0

VS

S-I

O

VD

D-F

IPVG

A+10V

A+10V

A+10V

D+4V

D+4V

GC+4VP1

P2

P3

P4

P5

P6

P7

P8

P9

P1

0

P1

1

P12

P1

3

P14

P1

5

P1

6

P1

7

P1

8

P1

9

P20

P21

P22

P23

P24

P25

P26

P27

P28

P29

P30

P31

P32

P33

P34

P35

P36

P37

P38

P39

P40

VSS-IO

P41

P41

P40

P39

P38

P37

P36

P35

P34

P33

P32

P31

P30

P29

P28

P27

P26

P25

P24

P23

P22

P21

P20

P1

9

P1

8

P1

7

P1

6

P1

5

P14

P1

3

P12

P1

1

P1

0

P9

P8

P7

P6

P5

P4

P3

P2

P1

G1

G2

G3

G4

G5

G6

G7

G8

G9

G1

0

G1

1

G1

2

G1

3

G1

4

G1

5

FLUORESCENT INDICATOR TUBE

DISC 1 LED

DISC 2 LED

DISC 3 LED

GC DGND

KEY 2

+4V

SPEANA

SIRCS

KEY INT DISPLAY

POWER LED

VF(1)

IIC-DATA

IIC-CLK

KEY INT POWER

VF(2)

VF(1)

VF(2)

A+10V

SPEANA

SPEANA

DISC 1 LED

DISC 2 LED

DISC 3 LED

GC DGND

KEY 2

+4V

VOL 1B

VOL 1A

KEY 1

KEY INT DISPLAY

KEY 0

DGND

EVER +4V

SIRCS

MD2

INT0

INT1

SI0

S00

VCC-CPU

GC DGND

MD0

F01

F02

F03

F04

L+R

VCC

BIAS

GND

RST.C

RST

R01

R02

F06

F05

LINENF

INLINE

NFREC

INREC

BAND-PASS

FILTERD-GND

D-GND

D-GND

D-GND

EVER+4V

EVER+4V

EVER+4V

GC-RESET

(FOR CHECK)

TUNER/BANDCDTAPE A/BMD(VIDEO)GAMEREC

PAUSE/START

LED DRIVE LED DRIVE LED DRIVE LED DRIVE LED DRIVE LED DRIVE LED DRIVE

OPEN/CLOSE

EX-CHANGE

DISC SKIP

DISC 3DISC 1 DISC 2DISC 1DISC 2DISC 3

LED DRIVE LED DRIVE LED DRIVE

REC

PAUSE/START

FLUORESCENT INDICATOR TUBE DRIVER,

KEY CONTROL

TUNER/BAND

CD

TAPE A/B

MD(VIDEO)

GAME

GAME MIXING

SURROUND

SPEAKER MODE

HI-DUB

1G

2G

15G

3G

4G

5G

6G

7G

8G

9G

10G

11G

12G

13G

14G

NO-USE

X1

X0

SO

FT-T

ES

T

RES

ET

NO

-US

E

NO

-US

E

LED

-REC

AL

L-B

AN

D

BP

F5

BP

F0

BP

F1

BP

F2

BP

F3

BP

F4

KEY

2

KEY

1

KE

Y0

I2C

-CL

OC

K

I2C

-DA

TA

LE

D-D

ISC

3

LE

D-D

ISC

1

LE

D-D

ISC

2

LE

D-G

AM

E

LE

D-C

D

LED

-MD

-VID

EO

LE

D-T

UN

ER

LE

D-T

AP

E

MD1

NO-USE

NO-USE

NO-USE

CD SYNC

VOLUME-AVO

LU

ME

-B

(Page 37)

(Page 47)

Page 16: SONY service manual HCD RG88

HCD-RG88

4747

7-26. SCHEMATIC DIAGRAM – PAD SWITCH/VOL Boards –

• Voltages are dc with respect to ground under no-signal(detuned) conditions.no mark : TUNER (FM/AM)

NO605

TP682

S776 S777S775S774S773S772S771S770S769S768S767S766S765

S754 S755 S757 S758 S759 S760 S761 S762

CN606 CN607

S750

D613

C615

S748

R625

C614

R750

R765 R766 R767 R768 R769 R770 R771 R772 R773 R774 R775 R776 R777 R778

S778

S752S756

R752 R753 R755 R756 R757 R758 R759 R760 R761 R762

IC603

R754

C752C751

8P

4P 4P

1SS133T-72

4710V

47

0.001

270

470 680 1k 1.5k 1.5k 2.2k 3.3k 4.7k 6.8k 10k 15k 22k 33k 68k

680 1k 1.5k 2.2k 3.3k 4.7k 6.8k 10k 15k 22k

NJL74H400A

1.5k

0.10.1

VOL 1A

VOL 1B

GC DGND

KEY 1

VOL 1B

VOL 1A

KEY 1

KEY INT DISPLAY

KEY 0

SIRCS

DGND

EVER +4V

VOL 1A

VOL 1B

GC DGND

KEY 1

VOLUME

(ROTARY ENCODER)

DISPLAY

DIMMER FM MODE

REPEAT

SPECTRUM

TUNER MEMORY

PLAY MODE

S766

S765 S767 S769

S768 S770

GROOVE

S771

S772

S773

EFFECT

ON/OFF

S774 S775

ENTER

S776

S777

MOVIE EQGAME EQMUSIC EQ

S778

SURROUND

P FILE

- +

REMOTE CONTROL

RECEIVER

DIRECTION

EDIT

(Page 45)

Page 17: SONY service manual HCD RG88

HCD-RG88

4949

7-28. SCHEMATIC DIAGRAM – MAIN TRANS/SUB-TRANS Boards –

• Voltages are dc with respect to ground under no-signal(detuned) conditions.no mark : TUNER (FM/AM)

The components identified by mark 0 or dottedline with mark 0 are critical for safety.Replace only with part number specified.

TP1

TP2

TP3

TP4

TP5

TP6

TP7

TP8

TP9

TP10

TP11

TP12

TP13D977

JW972

JW971

R974

R975

CN976

C975

D974D975

D973 D972

C976

C973C978

C977

JW984

JW986

JW987

CN997

T972

T910

R952

R941

Q971

C971

D971

CN974

RY971

S901

D976

F974

F975

F976

F977

F971

JW975

JW974

JW973

CN973

JW993JW

990

NO971

R951

C941

R953

R944

IC971

11ES2

100k

10k

3P

220016V

11ES211ES2

11ES2 11ES2

0.1

10016V0.1

0.1

13P

0.15

1

2SC2785

10000p250V

1SS133T

2P

T6.3AL250V

T6.3AL250V

T8AL250V

T8AL250V

T5AL250V

0.1

10063V

STBY RELAY

D-GND

N

220

120

AC3

AC4

AC4

VF

VF

VL

VL

AC3

VH

GND

GND

VH

230-240

220

120

230-240

N

230-240

220

230-240

220

120

120

VP

TRANSFORMER

TRANSFORMER

SUB POWER

MAIN POWER

∗ NOT REPLACEABLE:

BUILT IN TRANSFORMER

GO I

+4V REGULATOR

RELAY DRIVE

POWER ON/OFF

AC IN

220V

VOLTAGE SELECTOR120V

230-240V

-1

-2

(E,SP)

(MX)

(MX

)(A

R)

(E,SP,AR)

(E,SP)

∗4P

2P (MX,AR)

CN973

(E,SP)

(E,SP)

(MX,AR)

(E,SP)

(AR)

(E,S

P,A

R)

(MX)

EVER+4V

(E,SP)

NO971∗4P

2P (MX,AR)

(E,SP)

µPC3504AHF

(Page 43)

(Page 43)