Schematic Diagrams for Philips CD753

12
5-4 5-4 CS 53 148 BCLK WCLK SDA BCLK WCLK SDA SERIAL DATA INTERFACE D/A D/A DAC BUFFER Left out MUTE VOLUME MUTE Right out 7505 KILL KILL STBY (COMMAND FROM μP) +5V Standby circuit 1251 1 2 3 4 5 6 7 1506 1504 1 2 3 4 5 +10V +5V (switched) +10V -10V +5V AMPLIFIER HEADPHONE BOARD AF BOARD 7670 1600 HEADPHONE SOCKET 162 1 2 3 4 5 +10V -10V MUTE LINE OUT MUTE 1252 1 2 3 4 5 6 7 8 POWERED KILLI STBY STBY -VKK F2 F1 +5V KILLI (COMMAND FROM μP) POWERED KILLP Mute control 1802 1 2 3 4 5 6 7 BCLK WCLK SDA KILL +10V +5V 1250 1 2 3 4 5 6 F1 -VKK +10V +5V -10V F2 VOLTAGE SELECTOR (/01 only) MAINS PLUG 110V 220V F1,F2 Filament for FTD (FRONT BOARD) -VKK Supply for FTD (FRONT BOARD) +10V +Supply for buffer and headphone amplifier -10V -Supply for buffer and headphone amplifier +5V Stabilized 5V supply for DAC and μP PROGRAM CD TEXT PEAK REPEAT REM TOTAL TRACK TIME SCAN TRACK SHUFFLE 1A-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 + 181 1 2 3 4 5 6 7 8 ROM RAM VDD VKK Converter A/D P7 P8 P9 TEST RESET DISPLAY-DRIVERS VSS CLOCK P2 P1 P4 P5 P3 P0 P6 8BIT CPU KEY MATRIX 4 4 IR EYE 7810 +5V RC5 TRAY- TRAY+ TRAY_SW CD_PORE CD_DATA GND CD_SILD CD_SICL μP CLK GND SRDT DOSY 1804 1 2 3 4 5 6 7 8 TRAY- TRAY+ TRAY_SW CD_PORE CD_DATA GND CD_SILD CD_SICL 182 1 2 3 4 5 6 7 8 POWERED KILLI STBY -VKK F2 GND F1 +5V 1810 1 2 3 4 μP CLK GND SRDT DOSY 1720 4 3 2 1 ECO SHORT LOADER for details see next page CD753 Blockdiagram 19980604 FRONT BOARD BLOCKDIAGRAM

Transcript of Schematic Diagrams for Philips CD753

Page 1: Schematic Diagrams for Philips CD753

5-45-4

CS 53 148

BCLK

WCLK

SDA

BCLK

WCLK

SDA

SE

RIA

L D

AT

AIN

TE

RF

AC

E

D/A

D/A

DAC BUFFER

Left out

MUTE

VOLUME

MUTE

Right out

7505

KILL

KILL

STBY(COMMAND FROM µP)

+5V

Standby circuit

12511

2

3

4

5

6

7

1506

1504

1

2

3

4

5

+10V

+5V (switched)

+10V

-10V

+5V

AMPLIFIER

HEADPHONE BOARDAF BOARD

7670 1600HEADPHONE SOCKET

1621

2

3

4

5

+10V

-10V

MUTE LINE OUT

MUTE

12521

2

3

4

5

6

7

8

POWERED

KILLI

STBY

STBY

-VKK

F2

F1

+5V

KILLI(COMMAND FROM µP)

POWERED KILLP

Mute control

18021

2

3

4

5

6

7

BCLK

WCLK

SDA

KILL

+10V

+5V

12501

2

3

4

5

6

F1

-VKK

+10V

+5V

-10V

F2

VOLTAGESELECTOR(/01 only)

MAINS PLUG

110V

220V

F1,F2 Filament for FTD (FRONT BOARD)-VKK Supply for FTD (FRONT BOARD)+10V +Supply for buffer and headphone amplifier-10V -Supply for buffer and headphone amplifier+5V Stabilized 5V supply for DAC and µP

PROGRAM

CD TEXT

PEAK

REPEAT REMTOTAL TRACK TIMESCAN TRACKSHUFFLE 1A-B

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 +

1811

2

3

4

5

6

7

8

ROM RAM

VDD

VKK

ConverterA/D

P7 P8 P9

TE

ST

RE

SE

T

DISPLAY-DRIVERS

VSSCLOCK

P2 P1

P4

P5

P3

P0

P6

8BIT CPU

KEY MATRIX

4

4

IR EYE

7810

+5V RC5

TRAY-

TRAY+

TRAY_SW

CD_PORE

CD_DATA

GND

CD_SILD

CD_SICL

µP CLK

GND

SRDT

DOSY

18041

2

3

4

5

6

7

8

TRAY-

TRAY+

TRAY_SW

CD_PORE

CD_DATA

GND

CD_SILD

CD_SICL

1821

2

3

4

5

6

7

8

POWERED

KILLI

STBY

-VKK

F2

GND

F1

+5V

18101

2

3

4

µP CLK

GND

SRDT

DOSY

17204

3

2

1

ECO SHORT LOADERfor details see next page

CD753 Blockdiagram 19980604

FRONT BOARD

BLOCKDIAGRAM

Page 2: Schematic Diagrams for Philips CD753

5-5 5-5

CS 53 149

SAA7372CD7

TDA1302TDALAS

R2

D1

D2

D3

D4

R1

BCLKWCLKSDA

BCLK

WCLK

SDA

BCLK

WCLK

SDA

HFIN

GAIN SELECTION H=CD-R/W, L=normal CD

R2

D1

D2

D3

D4

R1

LDON

DISC

PHOTO DIODEARRAY

TURNTABLEMOTOR

TRACKSERVO

FOCUSSERVO

SLIDESERVO

D1 D2

R2R1

D3

FLEX PCB

A/D

-CO

NV

ER

TE

R

SERIALINTERFACE

PINTERFACE

CONTROL PART

EBUINTERFACE

RAMADDRESS.

SUBCODEPROCESS.

MOTORCONTROL

OUTPUTSTAGES

ERRORCORRECT.

FRONT END TIMING

DIGITAL PLL

SRAMEFMDEMOD.

Vre

f

KILL

PRE-PROC. FUNCTIONCONTROL

VERSATILEINTERFACE

AUDIOPROCESS.

PEAKDET.

��������������������������������

RA (PWM signal)

RA FO SL

FO (PWM signal)

SL (PWM signal)

TRACK

FOCUS

DISC Motor-

DISC Motor+

SLIDE Motor+

SLIDE Motor-

FOCUS Servo+

FOCUS Servo-

TRACK Servo+

TRACK Servo-

SLIDE

DISC MOTOR

MOTO1(from CD7)

MOTO2(from CD7)

L.P.F.

L.P.F.

L.P.F.

MOTO2MOTO1 16.93MHzDOBM

RESET

1

CD - DriveVAM1201

pick upunit

slid

e m

otor

turntable

Inner switch

TDA7073A

SERVO DRIVER

TDA7073A

MOTOR DRIVER

7851

7802 7819 7860

7852

Laseron/off

Laser

+5V

ALPC

Automatic Laser Power Control

DATA

RESET

TRAY_SW

TRAY +

TRAY -

SILD

SICL

1802

1804

1803

STABILIZER

+5ESDV

+5V

+4V

+A

+A

+5

7877

TRAY

SU

PP

LY &

AU

DIO

INT

ER

FA

CE

CO

NT

RO

L IN

TE

RF

AC

E

MOTOR

TRAY

7855 TDA7072A

+-

M

HF-PREAMPLIFIER

CD TEXT (optional)

VDD

SCLKXMODE

MCK

WFCK

SCOR

SBSQ

EXCK

CD-T

EXT

INTE

RFAC

E

DQSY

SRDT

DQSY

SRDT

uP_CLK

7821

1720

LC89170M

+4V

Tim

ing

& Sy

ncPr

otec

tion

CRCCheck

CPU

Inte

rface

RAM32kx8

L.P.F.

L.P.F.

L.P.F.

L.P.F.

L.P.F.

L.P.F.

62,5V

0

-2,5V

eye-pattern signal> 800 mVpp

TB=0.5 s

during focus search

TB=0.1s

2

4

3

5

SDA

WCLK left channel

MS

B

LSB

MS

B

right channel

BCLK

TRANSFER OF AUDIO SAMPLES VIA SERIAL INTERFACE OF CD7

CD7 → DAC

1

LSB

ECO SL Mk3 Blockdiagram (IIs) 19980601

BLOCKDIAGRAM ECO SHORTLOADER Mk3

Page 3: Schematic Diagrams for Philips CD753

6-16-1

CS 53 150

blue

redred

whitegreenwhite

1

12521

188

connect cover

1

162

1 1841

1

182

181

1880

1

1804

15021

161

1

1250

1

1251 1

1506

1802

1

1

1

80078

80078

80068

8006

8

8004

8001

connect cover

8010

2

80053

80053

8001 7

8001 7

8003 5

6

CD MODULEECO SL Mk3

FRONT - BOARD

HEADPHONE

STAND BY

AF - BOARD

Digital out1503

Line out1504

TRANSFORMER /00 /14

TRANSFORMER /01

blue

redred

whitegreenwhite

220 - 230V

Thermal fuse130¡C

Thermal fuse125¡C

Mains plug

Mains plug

Voltage selectorblack

red 220 - 230V

blue 110 - 127V

WIRING DIAGRAM

1600

GN

DD

OB

MS

HIE

LD

+10V-10V

LEFTAGNDRIGHT

+10

V-1

0VLE

FT

AG

ND

RIG

HT

KIL

LD

AT

AB

CK

WS

+5V

GN

D+

10V

PO

WE

RE

DK

ILLI

ST

DB

Y-V

KK

F2

F1

GN

D+

5V

PO

WE

RE

DK

ILLI

ST

DB

Y-V

KK

F2

F1

GN

D+

5V

+A(+10V)GND+5VWSBCKDATA KILL

GNDDOBMSHIELD

SICLGNDSILDDATARESETTRAY_SWTRAY+TRAY-

TRAY-TRAY+TRAY_SWRESETDATASILDGNDSICL

phones

not for CD713

18101

P C

LKG

ND

SR

DT

DO

SY

800241

1720P CLK

SRDTDOSY

GND

connect cover

Wiring diagram CD753 (980430)

Page 4: Schematic Diagrams for Philips CD753

7-1 7-1

CS 53 151

6

1 2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

A

B

C

D

E

A

B

C

D

E

1250 B41255 C51256 D52250 B62251 B52252 C62253 C62254 D72255 D82256 D62257 D62258 D72259 E53251 A53252 A53253 A53254 B63255 B63256 E63257 E73258 E73260 C73557 B46250 C66251 A66252 B56253 C66254 C66255 D66256 D66257 D56258 D56259 E66260 D87250 A67251 C87252 E6F560 C4F561 C4F562 C4F563 C4F564 C4F565 C4F566 B5F567 E6F568 E6

F567

F568

F566

F564

F565

F563

F561

F562

T630mA

1256

F560

T630mA

1255

6R8

3557

1N40

03

6260

D2

3260

5R6

2259

220u

22n

2257

4K7

3254

A

POWERED

2K2

3255

470R

3251

470R

3252

F1

+5V

6251

BZX55-C4V7

2

VIN1

VOUT3

-VKK

F2

7250BC327-40

7251

L7805CV

KILLI

KILLP

A

D

A

-10V

A

D D

D2

A

+10V

D2

4K7

3258

3257

4K7

7252BC558C

1K

3256

BZ

X79

-C3V

9

6259

6258

1N40

03

22581N

4003

6257

100n

2255

3m3

2256

22n

2254

4m7

22n

2252

6255

1N40

03G

P

2253

22n

1N40

03G

P

6254

1N40

03G

P

6253

6256

1N40

03G

P

470n

2250

2251

TO

/FR

OM

AF

BO

AR

D /

DA

C P

AR

T220u

BZ

X79

-C27

6250

1N4003

6252

EH-B

12501

2

3

4

5

6

22K

3253

CD713/CD723/CD753 AF Board Supply part 19980512

AF Board / Supply part

5V~

5V~

-28,5V

-31,4V -27,8V -27,8V

10,7V

5,6V

0,6V

-11,7V

3,9V

-8,3V

3,4V

10,2V

9,5V~

9,5V~

EVMVin Play mode

...DC voltages measured

Page 5: Schematic Diagrams for Philips CD753

7-27-2

CS 53 152

AF Board stage .4 19980513

AF Board Componentside view

1250 A1 1251 A4 1252 A1 1255 A1 1256 A1 1502 A4 1503 B4 1504 B1 1505 B4

1506 B1 2250 A1 2251 A2 2252 A1 2253 A1 2254 A2 2255 A3 2256 A1 2257 A1

2258 A2 2259 A2 2501 A3 2502 A3 2503 A4 2504 A3 2505 A4 2506 A4 2507 A3

2508 B3 2511 B2 2512 B2 2513 B2 2514 B1 2515 A3 2516 A4 2521 B2 2522 B3

2523 A3 2524 A4 2527 B4 2540 B4 2541 A4 2543 B4 2544 A4 2545 B4 3251 A1

3252 A1 3253 A1 3254 A2 3255 A1 3256 A2 3257 A2 3258 A2 3260 A3 3500 A3

3501 A2 3502 A4 3503 A4 3504 A4 3505 A3 3506 A3 3507 B2 3508 B2 3509 B3

3510 B3 3511 B2 3512 B2 3513 B2 3514 B2 3515 A3 3527 A2 3532 A2 3533 B4

3534 A3 3535 A3 3537 B2 3538 B3 3539 B2 3540 B1 3541 B2 3542 B2 3543 B1

3544 B2 3545 B1 3547 B1 3548 A2 3550 A4 3552 A4 3553 A4 3556 B4 3557 A1

5801 B4 5803 B4 6250 A1 6251 A1 6252 A1 6253 A1 6254 A2 6255 A1 6256 A1

6257 A2 6258 A1 6259 A2 6260 A3 6500 A2 7250 A1 7251 A3 7252 A2 7500 A3

7501 A2 7504 A2 7505 B2 7507 B1 7508 B1 7509 B1 7510 B1 7511 B4 9253 A1

9254 A2 9256 A2 9257 A2 9258 A2 9262 A3 9263 A3 9264 A3 9265 A3 9266 B3

9267 B1 9269 A2 9270 A3 9272 A4 9274 B4

This assembly drawing shows a summary of all possible versions.For components used in a specific versionsee schematic diagram respectively partslist.

Page 6: Schematic Diagrams for Philips CD753

7-3 7-3

CS 53 153

DRIVER

SOURCESCURRENT SINKS/

OUTPUT SWITCHES

DATA ENCODERS

NOISE SHAPERS

OVERSAMPLING

TIMINGAND

CONTROL

FILTERFIR

to h

ead

ph

on

e

to/f

rom

EC

O_S

L

to/f

rom

FR

ON

T

STANDBY

LINE OUT

DIGITAL / OPTICAL OUT

DAC

fro

m E

CO

_SL

1 2 3 4 5 6 7 8 9 10 11 12 13 14

1 2 3 4 5 6 7 8 9 10 11 12 13 14

A

B

C

D

E

F

G

H

A

B

C

D

E

F

G

H

1251 B11252 F141502 G21503 G41504 D14

1505 F71506 B142501 C42502 D42503 C4

2504 D42505 D72506 D52507 B82508 E7

2511 B102512 E102513 D132514 E132515 E4

2516 E42521 A92522 F92523 C22524 D7

2527 F62540 F22541 G32543 H42544 B2

2545 H33500 D23501 D23502 B33503 B3

3504 C33505 C43506 D43507 B83508 E8

3509 B83510 E83511 C93512 D93513 B10

3514 E103515 D43527 C103532 D103533 F5

3534 C103535 D23537 A83538 F83539 B12

3540 C123541 D123542 E123543 B123544 D12

3545 C123547 E123548 E33550 F43552 F4

3553 G43556 G45801 G35803 F66500 F11

7500 C27501 E27502 C77504 C107505-A E9

7505-B B97507 B137508 C137509 D137510 E13

7511-F F4F510 B1F511 B1F512 B1F513 B1

F514 C1F515 C1F516 C1F517 D2F518 C4

F519 C5F520 D5F521 B8F522 E7F523 B8

F524 E7F525 B14F526 B14F527 C14F528 C14

F529 C14F530 D14F531 D14F532 D14F540 G2

F541 G2F542 G2F543 G4F544 G4F545 F7

F546 F7F550 F14F551 G14F552 G14F553 G14

F554 G14F555 G14F556 G14F557 G14

BC337-407510

A

4U7

5803

2545

10n

F523

A

F522

F520

22n

2544

2K2

3527

220R

3537+10V

220u

2521

A

10n

2523

3538

220R

3514

47K

3532

220K

A

2516

10n

2515

47u

A

+5V

3515

100R+5V

F546

F545

3552

10K

22K

3553

F544

F543

F542

F540

F541

13

7

14

12

3556

10R

7511-F74HCU04N

100n

2543

254022u

1

2

3 4

6

7 8

GND

2541 5801

PH-B

1502

1

2

3

1u

YKC21-3564

DIGITAL OUT

OPTICAL OUTpreliminary

15033

2

1

F531

F532

F530

F556

F557

F555

F553

F554

F551

F552

F550

F528

F529

F526

F527

F525

F524

F521

F519

F517

F518

F516

F514

F515

F512

F513

F511

-10V

+10V

F510

3535

5K6

3533

33R

10K

3548

2K2

NJM4560D

7505-A

3

2

1

4

3534

NJM4560D7505-B5

6

7

8

7509

BC337-40

7507BC337-40

7508BC337-40

3542

1K

3547

1K

3544

1K

3545

1K

3541

1K

3540

1K

3539

1K

3543

1K

47u

2527

GNDGP1F32T1505

3

1

2

GND

3503

100R

100R

3504

A

100R

3502

470p

2513

A

A

2K7

3512

3508

4K7

3511

2K7

4K7

3507

+5V

470p

2505

2506

470p

A

47K

3513

A

AA

POWERED

KILLI

STDBY

D

F1

F2

-VKK

+5V

EH-B

12521

2

3

4

5

6

7

8

KILL

+5V

-10V

BC557B

7504

KILL

D

3510

4K747u

2508

A

4

5

A

2507

47u

EH-B

15061

2

3

A

47u

2524

2503

10n

D

4K7

3509

10n

2504

1 2

2502

47u

D D

D

3506

100R

47u

2501

7501BC558C

100R

3505

3501

10K

3500

5K6

7500BC327-40

D

14

VS

SD

9VSSO

1WS

+10V

STDBY

TDA1549T

2BCK

16DATA

5FILTCL6 FILTCR

13NC

3TEST

11VDDA

15

VD

DD

10VDDO

4VOL7 VOR

8VREF

12VSSA

7502

A

+5V

-10V

A

A

A

A

A

A

A

A

A

A

4

3

KILLP

A

A

1N4148

6500

1504

YKC21-3418

1

2

2514

470p

2511

47u

47u

2512

7

220u

2522

EH-B

12511

2

3

4

5

6

3550

100R

CD753 AF Board DAC part 19980527

WS

SHIELD

DOBM

EBU/GND

KILL

+5

BCK

DATA

AF Board / DAC part

5,4V-8,3V

-8,3V

-8,3V

-8,3V

5,4V

0V

0V

4,5V

5,1V

5,0V5,6VPLAY=5,3V

Stand by=0V

PLAY=1,4VStand by=5,5V

PLAY=4,9VStand by=5,6V 2,5V

2,5V

0V

0V

0V

0V

-8,3V

-11,2V

0V

0V

0V

0V

11,2V

EVMVin Play mode

...DC voltages measured

5V

5V

5V

left channel

MS

B

LSB

MS

B

LSB

right channel

TRANSFER OF AUDIO SAMPLES VIA SERIAL INTERFACE

TB 0.5 s/Div

4.23MHz

176.4kHz

DATA

DATA

WORD SELECT

WORD SELECT

CLOCK

CLOCK

Page 7: Schematic Diagrams for Philips CD753

7-47-4

CS 53 154

AF Board stage .4 19980513

AF Board Componentside view

1250 A1 1251 A4 1252 A1 1255 A1 1256 A1 1502 A4 1503 B4 1504 B1 1505 B4

1506 B1 2250 A1 2251 A2 2252 A1 2253 A1 2254 A2 2255 A3 2256 A1 2257 A1

2258 A2 2259 A2 2501 A3 2502 A3 2503 A4 2504 A3 2505 A4 2506 A4 2507 A3

2508 B3 2511 B2 2512 B2 2513 B2 2514 B1 2515 A3 2516 A4 2521 B2 2522 B3

2523 A3 2524 A4 2527 B4 2540 B4 2541 A4 2543 B4 2544 A4 2545 B4 3251 A1

3252 A1 3253 A1 3254 A2 3255 A1 3256 A2 3257 A2 3258 A2 3260 A3 3500 A3

3501 A2 3502 A4 3503 A4 3504 A4 3505 A3 3506 A3 3507 B2 3508 B2 3509 B3

3510 B3 3511 B2 3512 B2 3513 B2 3514 B2 3515 A3 3527 A2 3532 A2 3533 B4

3534 A3 3535 A3 3537 B2 3538 B3 3539 B2 3540 B1 3541 B2 3542 B2 3543 B1

3544 B2 3545 B1 3547 B1 3548 A2 3550 A4 3552 A4 3553 A4 3556 B4 3557 A1

5801 B4 5803 B4 6250 A1 6251 A1 6252 A1 6253 A1 6254 A2 6255 A1 6256 A1

6257 A2 6258 A1 6259 A2 6260 A3 6500 A2 7250 A1 7251 A3 7252 A2 7500 A3

7501 A2 7504 A2 7505 B2 7507 B1 7508 B1 7509 B1 7510 B1 7511 B4 9253 A1

9254 A2 9256 A2 9257 A2 9258 A2 9262 A3 9263 A3 9264 A3 9265 A3 9266 B3

9267 B1 9269 A2 9270 A3 9272 A4 9274 B4

This assembly drawing shows a summary of all possible versions.For components used in a specific versionsee schematic diagram respectively partslist.

Page 8: Schematic Diagrams for Philips CD753

7-5 7-5

CS 53 155

ROM RAM

VDD

VKK

ConverterA/D

P7 P8 P9

TE

ST

RE

SE

T

DISPLAY-DRIVERS

P4

P5

P1

VSSCLOCK

P2P3

P0

P6

8BIT CPU

GND

OUT

SUPV

to/fr

om E

CO

_SL

to/fr

om A

F

HLIGHT SHUFFLE FADE

PRGM EDIT PEAK STOP

PLAY

PREV PAUSE NEXT CD TEXT

OPEN/CLOSE

CD_SICL

CD_SILD

DGND

CD_PORE

TRAY_SW

TRAY+

TRAY-

CD_DATA

TIMESCROLL

prel

imin

ary

1 2 3 4 5 6 7 8 9 10 11 12 13

1 2 3 4 5 6 7 8 9 10 11 12 13

A

B

C

D

E

F

G

H

I

A

B

C

D

E

F

G

H

I

181 F1182 H1184 E11800 C101810 I61820 F11821 F111822 F111823 F121824 F121825 F121826 F121827 F131828 G111829 G121830 F131831 G121832 G131833 H111834 H121844 G72800 B52801 B112803 I72807 I82808 G22810 I82811 G82812 E32813 H82814 E32815 D103804 H73805 H73806 H63807 H83808 H83809 I73810 E103811 E113812 E103813 F113814 F103815 F103816 F103817 F113818 G113819 G113820 H113821 G103822 E53823 F63829 E23830 E23832 F33833 F33834 F33835 F33836 E23837 G93838 H23841 H23842 H23844 G33845 G33846 G33847 D103848 B43849 B115802 E36801 D56802 D66820 I27800 D67810 H97811 H89800 G10

1

2

3

4

5

6

7

8

9

182

1N41

48

6802

1N4003

6820

3849

4R7

1N41

48

6801

3848

10R

F84

2

F84

3

F84

1

D

F84

0

D

1833 1834

22K

3820

1K3806

1K3821

1K3804

13

P13

12

P14

11

P15

10

P16

9

P2

23

P3

22

P4

21

P5

20

P6

19

P7

18

P8

17

P9

16

1K3805

30

G5

31

G6

32

G7

33

G8

34

G9

35

NC

1

5

NC

2

6

NC

3

7

NC

4

8

NC

5

41

P1

24

P10

15

P11

14

P12

1800

F11

1

F12

2

F21

44

F22

45

G1

27

G10

36

G11

37

G12

38

G13

39

G14

40

G2

28

G3

29

G4

D

14-BT-54GK

FF

C

1 2 3 4

2803

22n

72

73

74

75

76

77

78

79

8

80

9

1810

58 59

6

60 61 62 63 64

65

66

67

68

69

7

70

71

43 44 45 46 47 48 49

5

50 51 52 53 54 55 56 57

29

3

30

31

32

33

34

35

36

37

38

39

4

40

41 42

141516171819 22021222324

25

26

27

28

7800TMP87CP71F

110111213

3847

100R2815

220n

F823

F826

F825

F824

F82

1

F800

F814

F815

F812

F813

F811

F809

F810

F808

F801

F816

F803

F802

F804

F806

F805

F807

F818F817 F820F819

F822

D

D

D

D

1844

CST

D

D

9800

47K

3837

10n

2811

D

D

100n

2813

10n

2810

D

7811

BC

547B

5802

2u2

3846

1K

3836

22K

3844

1K

1K

3845

100n

2812

1K

3842

3841

1K

D

1K

3838

3829

22K

2814

47u

1

2

1K

3822

22n

2808

D

184

1K3816

1K

3814

3815

1K

3818

22K

22K

3817

3823

1K

22K

3819

22K

3830

1820D 3813

1K

1832

3811

1K

1K

3812

1K

3810

1827

1830

1825

18261824

18311829

1823

10u

280128

00

10u

D

D

1K3807

D

D D

3833

1K

1K

3832

3834

1K

1K

3835

DIPMATE

DIPMATE

1811

2

3

4

5

6

7

8

D

2807

100u

47R

3808

100K

3809

1822

1828

1821

+5V

+5V

7810

1

2

3 4

+5V

+5V

+5V

+5V

VC

POWERED

KILLI

STDBY

POWERED

KILLI

STDBY

+5V

+5V

+5V

-VKK

VCG

04

G03

+5V

F2

F1

-VKK

F2F1

VCVC

P05

P04

P03

P02

P01

G10

G11

G12

G13

G14

P16

P15

P14

P13

P12

P11

P10

P09

P08

P07

P06

G02

G01

G01

G02

G03

G04

G05

G06

G07

G08

G09

G12

G11

G10

G09

G08

G07

G06

G05

G04

G03

P13

P12

P11

P10

P09

P08

P07

P06

P01

G14

G13

P02

P03

P05

P04

P16

P15

P14

FRONT BOARD

CD753 Front Board 19980512

4,9V

-18V

4,8V4,8V

4,8V0V

STAND BY

1840

188

GND

Page 9: Schematic Diagrams for Philips CD753

7-6 7-6 7-6

CS 53 156

CD753 Front Board stage .4 19980520

Front Board Componentside view

Front Board Copperside view

181 B1 182 B2 184 B3 1800 A3 1810 B1 1820 A1

1821 A5 1822 B5 1823 A5 1824 B5 1825 A6 1826 B6

1827 A7 1828 B7 1829 B7 1830 A8 1831 B8 1832 A4

1833 A4 1834 B4 1844 B4 2800 A1 2801 A4 2803 B1

2807 B2 2808 B1 2810 B5 2811 B4 2812 B3 2813 B4

2814 B3 2815 A3 3804 B4 3805 B4 3806 B3 3807 B4

3808 B2 3809 B5 3810 A5 3811 A5 3812 A5 3813 B5

3814 B5 3815 B5 3816 B5 3817 B5 3818 B5 3819 B5

3820 B4 3821 A4 3822 B3 3823 B2 3829 B4 3830 B2

3832 B1 3833 B1 3834 B1 3835 B1 3836 B2 3837 B4

3838 B1 3841 B1 3842 B2 3844 B1 3845 B1 3846 B1

3847 B2 3848 A1 3849 A3 5802 B3 6801 A2 6802 A2

6820 B2 7810 B3 7811 B5 9800 B4 9801 A3 9802 A3

9803 A5 9804 A4 9805 A5 9806 A6 9807 A6 9808 A7

9809 A7 9810 B2 9811 B2 9812 B2 9813 B2 9814 B4

9815 B3 9816 B4 9817 B4 9818 B5 9819 B1 9820 A1 7800 B3

7800

7800

Left

Right

AGND

-10V

+10V

6.3mm

*

*

*

*

1 2 3 4

1 2 3 4

A

B

C

A

B

C

F607

220u

2602

F608

F606

F604

F605

F602

F603

F601

3609

10R

3608

3604

120R

15K

3607

120R

3605

3603

15K

3602

10K

10K

1611

2

10K

3601

DIPMATE

1621

2

3

4

5

2601

220u

10R

3611

HLJ15401600

1

2

3

2610

100n

2603

22n

2604 1n

2605 1n

7670-ANJM4560D

3

2

1

8

4

3606

10K

7670-BNJM4560D

5

6

7

8

4

VCC

VSS

VCC

VSS

VCC

VSS

+10V

-10V

+10V

-10V

Headphone Board

10,8V

10,8V

-11,7V

0V

0V

0V

0V

0V

0V

-11,7V

* preliminary

3600

-B10

K10

K36

00-A

3600-A B13600-B B1

161 C4162 B11600 B42601 A32602 C32603 A22604 B32605 B32610 C4

3601 C23602 B23603 B33604 B33605 B23606 B23607 B3

3608 B33609 C3

3611 A4

7670-A C37670-B A3

CD753 Headphone Board 1998 05 11

Headphone Board Copperside view 161 B4 162 B2 1600 D2 2601 B2 2602 C3 2603 B3 2604 D3 2605 D1 2610 B4 3600 D4 3601 B4 3602 B4 3603 C2 3604 B2 3605 D2 3606 D3 3607 B3 3608 C1 3609 B3 3611 B1 7670 B3 9600 C4 9601 C4 9602 C4 9603 C4 9604 D4This assembly drawing shows a summary of all possible versions.

For components used in a specific versionsee schematic diagram respectively partslist.

Page 10: Schematic Diagrams for Philips CD753

7-7 7-7 7-7

CS 53 157

LS

Vdd

O4

O6

O3

O1

O5

O2I2

I5

I1

I3

I6

I4

DALAS

Vg

Vdd

LDon

MI

Lo

Adj

C

GNDL

Vrfe

Vrf

HG

CD TEXT

1 SEC

4V

during focus search

PDM

for coax out: 3875 = 22R

#Item

yes no9890

47p150p2890

10Rno3894

no180R3897

220270

OUTOUT

3896

OPTCOAX

for COAXIAL OUT version only

not for flap

comm.cath

D1

D5

D3

D2

D4

INNERSWITCH

-

+

-

+

-

-

+

+

CD DRIVEVAM 1201

Track

Focus

MM

SLEDGE

DISC

Do not split cables!

length 30cm

for OPTICAL OUT version only

during speed up play brake

Timing & SyncProtection

CRCCheck

CPU

Inter-

face

32kx8

RAM

M

TRAY

MOTOR

Loaderfor TRAY Version only

for FLAP version only

##

(H = CD-R/W)

(H = Laser On)

CD R/W Front End

WS

SDA

BCLK

TRAY

_SW

SICL

SICL

SILD

SILD

RESET

RESE

T

DATA

DATA

SWITCH

INNERSWITCH

INNERSWITCH

#

NFR: +A = 8 ... 13.5V

PTC: +A = 6 ... 13.5V(only for battery powered versions)

JST EH

TRAY

Break-Away PB OPT OUT

VDD

DQSY

SRDT

SCLK

SW2

SW1

TESTGND

XMODE

MCK

WFCK

SCOR

SBSQ

EXCK

CD-T

EXT

INTE

RFAC

E

only if not CD-TEXT

TURNTABLE

TRAY_SW

TRAY-

TRAY+

KILL

SUPP

LY &

AUD

IO IN

TERF

ACE

CONT

ROL

INTE

RFAC

E

WS

SDA

HF

SLIDE

BCLK

+5V

GND

+A

FOCUS

TRACK

SERVO-DRIVER

MOTOR-DRIVER

RESET

DATA

SILD

KILL

SICL

GND

JST PH

for BLER measurement

CFLG output (open drain)

"L"=dig out, "H"= no dig out

EBU_GND

SHIELD

DOBM

+5V

DOBM (TTL)

GROUND

for Coaxial: for Optical:

JST PH

resistor for flap version only

SHARP TOSLINK

JST EH

1

2

3

4

5

6

JST EH

DQSY

SRDT

uP_CLK

JST FE hor

JST PH

(to versatile pin 63 of decoder IC)

#

#

[7]

1

2

3

4

5

6

7

8

for R

/W: 2

70k

for coax. out: 33R

#

##

#

#

#

[1]

[2]

[3]

[4]

[5]

[6]

[6]

[5]

[4]

[3]

[2]

[1]

# ... for provision only

CD-BOARD (ECO-SL Mk3)

324 5 6 71 8 9 10 11 12 13 14 15 16 17 18 192 20 21 22 23 24 25 26 27 28 293 30 31

L

K

J

O

I

H

G

F

E

D

C

B

A

N

M

L

K

J

O

I

H

G

F

E

D

C

B

A

N

M

324 5 6 71 8 9 10 11 12 13 14 15 16 17 18 192 20 21 22 23 24 25 26 27 28 293 30 31

HF HF HF HF HFHF

L

LL

DA

L

L

L L

L L

L

+5ESD

+5ESD

+4V

+5ESD

SVDDA1

T730

100n

2802

18p

2810

47n

2809

47n

2870

47n

2831

100n

2898

2848

10n

560p

2820

1n5

2823

2n2

2814

15k3806

33k3804

10k3803

3883100

3858100

3818120k

38174k7

5603807

4k7

3882

10k3827

10k3828

10k3829

10k3830

10k3825

382610k

PC74HCU04D7819

F

13 121

PC74HCU04D7819

E

11 101

PC74HCU04D7819

D

9 81

PC74HCU04D7819

C

5 61

PC74HCU04D7819

B

3 41

PC74HCU04D7819

A

1 21

2899

4u7

BC337/407822

LASERON/OFF

7802TDA1302T

16

15

14

13 12

11

10

9

8

7

6

5

4

3

2

124

23

22

21

20

19

18

17

D

D

D D

D

L HF

DA

D

DHF

HF

HF

DA

L

D

D

EBU

D EBU

D

D

D

D

DD

D

D

D

D

D

D

EBUEBUEBU

L

DA

to 3881

from 7860/Pin 41

TRAY_SWTRAY+TRAY-

TRAY_SW

TRAY+

TRAY-

R2

R1

D4

D3

D2

D1

VDDA1

+A_TRAY +A_TRAY

+4V

+5ESD

+4V

+4V

+4V

+4V

+A+5ESD

+4V

+5V

+A

+A

+4V +5V

+4V

+A_TRAY

+4V

+4V

+4V

+5V

DD4

DD5

DD3

DD2

DD1

LD-

HF

V4

LD_ON

47n

2722

1u/1

6V28

65

100n

2869

47p

2845

2861

22p

2862

22p

2856

47n

2857

22n

2858

47p

100n

2853

2851

10n

220p

2830

220p

2829

220p

2828

220p

2827

10n

2839

5n6

2836

2825

220p

2826

220p

2837

560p

2840

1n8

100n

2819

10n

2761

2890

10n

2842

2868

47p

100n

2838

1n2720

47p

2721

10n

2891

100n

2818

100k3857

33k

3895

1k8

3893

33k

3892

1k3891

1k3890

4703721

223898

1003875

3879560

10k

3842

3763

3764220R

220R

220R

3762

100

3860

100

3861

333832

1M3862

22k3856

1k3844

3872100

1k3852

27k38513853

6k8

1k3820

1k2

3839

1k2

3836

39k3843

22k3838

27k3835

1k3815

38376k8

38406k8

3874

10k

3873

10k

3870

10k

3876180

103871

1003864

3896

180

3897

39k3845

1k3846

220

3751

3752

220

220

3865

10k

3867

10k

3866

10k

3868

10k

3869

220

3863

3848 1k

3850 1k

1k3833

220

3859

10k

3819

3753

220

10k

3880

390k

3854

4k73881

473729

10k

3728

4703727

4703726

4703725

4703720

4703723

4703722

4703724

10389910

3894

4k73730

47u

2859

4u7/

16V

2860

2847

47u/

16V

2843

0.47

u

2849

47u/

16V

47u/

16V

2863

4u7/16V

2844

2850

4u7

1u

2892

BC547C

7878

BC54

7B

7877

7821 LC89170M

10

11

12

13

141

2

3

4

5

6

7 8

9

1895YKC21

1804

1890

1

2

31880

1

2

31881

1

2

3

9802

9800

9801

9803

9890

5890920927-152B

1

2

3 4

6

MT

1807

1

2

1803

1

2

1850

12

1820

Leaf Switch

18102

17

1

100u AL045802

10u AL025810

1u AL025804

6888

BZX7

9F2V

4

7855TDA7072A

6

1

2

38

5

input-

input+

GND

+Vp

out-

out+

1720

1

2

3

4

9804

1802

7896

1

2

3

GP1F32T

ICDriver

3R3

3849

3841

3R3

8.46MHz5860

SAA73787860

10

11

12

13

14

15

16

17 18 19

1

20 21 22 23 24 25 26 27 28 29

2

30 31 32

33

34

35

36

37

38

39

3

40

41

42

43

44

45

46

47

48

49

4

50515253545556575859

5

6061626364

6

7

8

9

PINS

MICROPROCESSOR

V1...VV5

INTERFACE

DETECT

PEAK

KILL

MOTO2

MOTO1

WCLK

VDD2PSCLK

SBSY

SFSY

VSS2

MISC

DATA

RCK

SUB

KILL

V5

V4

V3

VSSA1

VSSA3

SELPLL

HFIN

Vref

D3

D2

D1

VSSA2

VRH

IREFT

R2

R1

D4

VRL

VDDA1

ISLICE

DIGITAL

DEMOD.

CORRECTION

ERROR

PROC.

PRE-

EFM

PLL

CONTROL PART

CONTROL

FUNCTION

SRAM

FLAGS

TIMING

CONTROL

MOTOR

INT.

EBU

ADDR.

RAM

VERSATILE

OUTPUT

STAGES

FO

SILD

SL

RAB

TEST

3

SCL

SERI

AL D

ATA

AUDI

OVD

D1P

LDO

N

INTE

RFAC

EPR

OCE

SSO

RSD

A

DOBM

SUBC

ODE

CL4

PRO

CESS

OR

VSS1

VSS3

ADC

IREF

FRO

NT E

NDV2

VDDA

2

V1

TEST

1

CFLG

CRIN

C2FA

IL

CRO

UT

VDD3

C

TEST

2

STAT

US

CL16

RESE

T

CL11

HFRE

F

VSS4

RA

NC

1806

1

2

3

4

5

6

1801

10

11

12

1

2

3

4

5

6

7

8

9

PTC 4R6

3847

TDA7073A7851

14

10

1

2

6

711

3

413

16

9

125

8

15

+

-

VDD

+

-

TDA7073A7852

14

10

1

2

6

711

3

413

16

9

125

8

15

+

-

VDD

+

-

2767

2765

22p

22p

22p

2764

470p

2766

SUPPLY FOR 7819

CD-SL Mk3 (CD R/W & IIs) 19980416

4703771

HF PRE-AMPLIFIER

TO 1804

FROM 1810

2.7V

1.3V1.3V

5.4V

0.4V

1V

5.4V

0V

1.3V

3.8V

4.6V

0V

0.7V

4.1V

0.8V

0.3V

0.5V

2V

2V

10V

2V

2V

2V

3.8V

10V

10V

2V

4V 0V 4V 4V 3.3V

0V

0.2V 3.3V

2V

2V

4V

0V

2V4V2V2V2V1.8V1.8V1.8V1.7V

0V4V2V2V

2V

2V

4.2V

4.2V 5.6V

4.9V

5.6V

10V

10V

4.8V

4.8V

2.4V

2.4V

1

EVMV

eye-pattern

TB=0,5 us/DIV

6

0V

4V

0V 0V

4V

0V 0V

0V

4V

11.2

9MHz

in Play mode

...DC voltages measured

4 2

5

3

1720 J321801 G21802 F321803 G261804 D211806 M21807 H311810 H301820 H321850 C161880 M231881 M271890 M301895 M292720 L272721 L272722 I302761 F282764 E242765 E242766 C262767 E252802 C102809 D82810 D92814 D112818 J32819 J42820 I92823 I92825 I112826 I112827 I112828 I122829 I122830 I122831 G72836 K102837 K92838 E202839 L102840 L92842 E172843 N92844 F142845 E192847 J92848 F52849 M92850 N142851 N92853 N102856 K142857 L152858 K142859 M312860 L152861 L172862 L162863 E172865 H262868 D192869 K192870 G42890 N212891 N292892 M282898 I42899 G43720 I273721 J273722 J273723 K273724 K273725 J303726 J303727 K303728 J313729 I313730 I293751 E193752 E193753 E183762 F223763 F223764 G223771 C263803 D93804 C103806 D93807 C113815 D123817 G43818 F53819 D153820 J33825 H103826 H103827 G103828 G103829 G103830 G103832 E143833 K163835 K10

3836 K103837 K93838 L103839 L103840 L93841 J103842 E153843 N103844 O93845 O103846 O93847 J103848 M143849 M103850 N143851 M103852 N103853 M93854 I143856 J143857 K153858 E73859 E163860 K173861 L163862 K163863 E173864 F213865 E183866 A183867 A183868 A183869 A183870 D193871 E163872 C203873 A193874 A203875 L193876 F283879 F273880 B223881 F113882 E83883 G33890 H293891 G293892 G293893 G293894 M223895 G283896 M223897 N223898 M313899 M295802 G275804 E265810 E295860 L165890 M286888 H307802 E77819 C37819 C47819 C57819 C67819 C77819 D107821 I287822 I57851 J87852 M87855 G287860 F157877 E287878 C197896 M329800 C199801 D159802 G279803 E289804 J209890 N22

Page 11: Schematic Diagrams for Philips CD753

7-8 7-8 7-8

CS 53 158

3103 303 3397.2

ECO SL Mk3 (R/W&IIs) Layout stage .2 (19980330)

F

E

D

C

B

A

F

E

D

C

B

A

6 5 4 3 2 1

6 5 4 3 2 1

DISC MOTOR CONNECTION(break away part)

ECO Short Loader Mk3Copperside view

BC...

12

1

1850

98411 3876

7877

9800

3879

2761

9803

5810

7878

2847

FOIL

8820

FOCU

S &

TRAC

KSE

RVO

DRIV

ER

SCREENING

1804

3874

2868

9806

9816

9810

9820

5804

9801

3873

3871

3872

3870

3854

3859

3865

38663867

3868

3869

2856

2863

3752

3753

381938323842

3863

2825

2826

2827

2828

2829

2830

2842 2844

2818

2819

3815

3820

3856

9811

9825

1

9

1

9807

9809

9814

3853

7851

7852

3837

3839

3841

3847

3849

3852

2837

2840

2849

2851

3836

3840

1

1880

3880

3894

9817

9890

1

9804

9821

9840

3881

3896

3897

5860

3724

3751

3860

3864

3875

3763

3762

3764

2838

2845 2858

28692890

3721

3722

3723

3838

98233845

3848

3850

3851

3857

3862

3861

3720

3833

3835

3843

2862

2861

2860

2857

2721

1801

2836

2839

2853 6

9815

9819

9822

9824

98309839

9831

3728

3729

3844

3846

SLIDE & DISC

MOTOR DRIVER

3730

1806

2843

2850

37253726

3727

2722

2720

9

1802

9892

1

1810

9808

9842

9805

1

1

8

1

12

1807

TRAY MOT

ORDRIVER

7855

9802

3892

3893

3895

5802

17203890

3891

6888

2814

2802

2810

3803

3804 7822

3807

3882

9851

3806

3817

3818

38273828

3829

3830

3858

3883

2809

2831

2848

2870

2898

2820

2823

2899

3825

3826

9847 9850

3771

9703

9704

2764

27652766

2767

9705

9701

9702

5

2

3

4

1 6

SICLGND

GNDDOBM

+5V/SHIELD

SILDDATA

RESET

TRAY MOTOR+

-

TRAY_SW

+AGND+5V

WSBCLK

SDAKILL

µP CLKGND

SRDT

INNERSWITCHGNDDISC+DISC-SLIDE+SLIDE-

DQSY

HF-A

MPLI

FIER

HF P

RE-AMPLIFIER

DALAS

SIGNAL PROCESSOR

CD-TEXT

7819

7802

7860

7821

2865

3103

303

339

7.2

6 5 4 3 2 1

DISC MOTOR CONNECTION(break away part)

BC...This assembly drawing shows a summaryof all possible versions.For components used in a specific versionsee schematic diagram respectively partslist.

ECO SL Mk3 (R/W&IIs) Layout stage .2 (19980330)

F

E

D

C

B

A

F

E

D

C

B

A

6 5 4 3 2 1

HF-AMPLIFIER

SIGNALPROCESSOR

7819

7802

7860

2865

CD-TEXT

12

1

1850

9841

1

3876

7877

9800

3879

2761

9803

5810

7878

2847

FOIL

8820

FOCUS & TRACK

SERVO DRIVER

SLIDE &

DISC

MOTOR DR

IVER

SCREENING

1804

3874

2868

9806

9816

9810

9820

5804

9801

3873

3871

3872

3870

3854

3859

3865

38663867

3868

3869

2856

2863

3752

3753

381938323842

3863

28252826

2827

2828

2829

2830

2842 2844

2818

2819

3815

3820

3856

9811

9825

1

9

1

9807

9809

9814

3853

7851

7852

3837

3839

3841

3847

3849

3852

2837

2840

2849

2851

3836

3840

1

1880

3880

3894

9817

9890

1

9804

9821

9840

3881

3896

3897

5860

3724

3751

3860

3864

3875

3763

3762

3764

2838

2845

2858

2869

2890

3721

3722

3723

3838

98233845

3848

3850

3851

3857

3862

3861

3720

3833

3835

3843

2862

2861

2860

2857

2721

1801

2836

2839

2853

CD-TEXT

6

9815

9819

9822

9824

98309839

9831

37283729

3844

3846

3730 18

06

2843

2850

37253726

3727

2722

2720

9

1802

9892

1

1810

9808

9842

9805

1

1

8

1

12 1

807

TRAY MOTOR DRIVER

7855

9802

3892

3893

3895

5802

1720

3890

3891

6888

2814

2802

2810

3803

3804

7822

3807

3882

9851

3806

3817

3818

38273828

3829

3830

3858

3883

2809

2831

2848

2870

2898

HF-AMPLIFIER

2820

2823

2899

3825

3826

9847 9850

3771

9703

9704

2764

2765

2766 2767

9705

9701

9702

Componentside view

5

2

3

4

1 6

SICLGND

GNDDOBM

+AGND+5VWS

BCLKSDAKILL

+5V/SHIELD

SILD

DATARESET

TRAY MOTOR+-

TRAY_SW

µP CLKGND

SRDT

GNDDISC+DISC-SLIDE+SLIDE-

DQSY

INNERSWITCH

17 opt. 1720 C11801 D31802 C61804 E61806 C11807 B21810 B51820 B31850 F61880 D61881 opt. 1890 opt. 1895 opt. 2720 C32721 C32722 C22761 F52764 B52765 B52766 B52767 B52802 F42809 E42810 F32814 F42818 F32819 F32820 D42823 D42825 E42826 E42827 E42828 F52829 F52830 F52831 E32836 D32837 E22838 D52839 D32840 F22842 E52843 D22844 E52845 D52847 F12848 E32849 E12850 D22851 E22853 D32856 E42857 D42858 D42859 opt. 2860 D42861 D42862 D42863 E52865 A12868 F52869 D52870 E32890 D52891 opt. 2892 opt. 2898 F32899 D33720 C33721 C53722 C53723 C53724 C43725 C23726 C23727 C23728 C23729 C23730 C23751 D53752 E53753 E53762 D53763 D63764 D53771 D53803 F43804 F43806 F43807 F43815 E43817 E33818 E33819 E53820 F33825 D43826 D43827 E43828 E43829 E43830 E43832 E53833 D43835 D33836 E23837 E23838 C33839 E23840 F23841 E23842 E53843 C4

3844 D23845 C43846 D23847 E23848 D33849 E23850 D33851 C33852 E23853 E23854 E43856 E43857 D43858 E33859 E53860 D43861 D43862 D43863 E53864 D53865 E53866 E53867 E53868 E53869 E53870 F53871 E53872 F53873 F53874 F63875 C53876 F53879 F53880 D63881 D53882 F53883 E33890 B23891 C23892 C23893 C23894 D63895 B23896 C53897 D63898 opt. 3899 opt. 5802 B25804 F55810 F45860 D45890 opt. 6888 B27802 E47819 F47822 F37851 F27852 D17855 C27860 D57877 F57878 F57896 opt. 9701 C59702 B59703 D59704 B59705 C59800 F59801 E59802 B29803 F49804 C49805 B49806 F59807 E29808 B59809 E39810 E59811 E49814 E29815 D29816 E49817 C69819 D29820 E59821 C49822 C29823 C39824 D29825 E39830 D29831 D29839 D29840 D59841 F59842 B49847 D49850 D39851 F39890 D69892 B6

1890

1

OPTICAL OUT

2859

3898

7896

1890

1 OPTICAL OUT

2859

3898

7896

OPTIONALFOR SETS WITH OPTICAL OUTCopperside view

Componentside view

2892

1895

COAXIAL OUT

118

81

2891

3899

5890

289218

95

COAXIAL OUT

1

1881

2891

3899

5890

OPTIONAL FOR SETS WITH COAXIAL OUTCopperside view

Componentside view

1820

171

2

1820

171

2

OPTIONAL FOR FLAP LOADERSCopperside view

Componentside view

Page 12: Schematic Diagrams for Philips CD753

7-9 7-9 7-9

CS 53 159

Press Open/Close

Tray opened ?N

Y

Load discpress play

TOC on display ?N

Y

Check: Supply voltages +A, +5VCommunication lines to µP of apparatus.Motordriver 7855, Safety resistor 3849.Tray mechanism, wiring, tray switch

Slide motor ok ?N

Y

Enter Step 1Focus Search

Laser light ?N

Y

Load disc

Focus ok ?N

Y

Enter Step 2Disc Test

Disc turns ?N

Y

Enter Step 3Radial servo

Radial Servo ok ?N

Y

Enter Service Test Program"CD Servo Test"

remove disc

Leave Service Test Programpress play

Check: Signal processor (7860) Pin 64TS 7822CD Mechanism

Check: Wiring of CD MechanismPower supply of Signal processor (7860)Reference voltage R3850 - GNDOPAMP 7852

Check: Eye Pattern on MP1Signal Processor 7860 Pin 32,33Motordriver 7852CD Mechanism

Check: Signal processor (7860) Pin 27Power supply 7851Motordriver 7851CD Mechanism

Check: Signal processor (7860) Pin 26Motordriver 7851CD Mechanism

A

A

Audio signal ?N

only one channel ?N

Y

Y

Check: DAC (not part of the ECO Shortloader) Check: Communication lines of signal processor 7860 -DACConnector 1802DAC (not part of the ECO Shortloader)

Digital out ?(optional)

N

YConnector 1880Signal Processor 7860 - pin 31

Intermit. failurs ?N

Y

Set OK

Check:

Enter Service Testprogram"CD PLAY TEST"See error table

Enter Service Testprogram"CD PLAY TEST"See error table

TOC on display ?N

Y

BEGIN

END

Faultfinding tree CDSL Mk3(IIs), 060698

Remarks

The following steps have to be done when replacing the CDM mechanism:1. Disconnect old CD drive flexfoil from printed board2. Connect paperclip to CD drive flexfoil to short-circuit flexfoil (fig.1)3. Short-circuit printed board with brass-sheet (4822 321 11197) plugged into the flexfoil connector (fig.2)4. Remove old CD drive5. Position new CD drive in its studs6. Remove short-circuit from printed board connector7. Remove short-circuit from flexfoil of new CD drive8. Connect new flexfoil to print connector (fig.3)

fig.1 fig.2 fig.3

CHARGED CAPACITORS ON THE CD BOARD MAY DAMAGE THE CD-ELECTRONICS WHENCONNECTING A NEW CD DRIVE. THAT´S WHY, BESIDES THE SAFETY MEASURES LIKE• SWITCH OFF POWER SUPPLY• ESD PROTECTIONADDITIONAL ACTIONS MUST BE TAKEN BY THE REPAIR TECHNICIAN.

WARNING

4822 321 11197