Philips CDR775 Service Manual

Compact disc recorder CDR775

/00

OPEN / CLOSE

OPEN / CLOSE

OPEN / CLOSE

PLAY / PAUSE

PLAY / PAUSE

PLAY / PAUSE

STOP

STOP

STOP

AUDIO CD RECORDABLE/REWRITABLE

AUDIO CD RECORDABLE/REWRITABLE

AUDIO CD RECORDABLE/REWRITABLE

ON / OFF

REC

RECORD

TYPE

EXT

EXT

FINALIZE

ERASEFINALIZE

ERASE

SOURCE

SOURCE

R

e
c

o
r

d
a

b
l

e

DOUBLE SPEED

EASY JOG

EASY JOG

STORE/

STORE/

5

CDR

REM

REC

TIME

TRACK

TOTAL

REM

T

RACK

2

3

MANUAL

I
I

SHUFFLE

4

567

CD

R

W

8

9

1011

12

13

RECORD

CHANGER

CDR775 AUDIO CD RECORDER

DISPLAY

SCROLL

TIME

14

15

16

17

CD

RW

DJ MODE

REPEAT

1

SYNC

DIGITAL
OPTICAL

ANALOG

PROG

5

CD

STEP

18

19

20

+

PROG

A-B

SHUFFLE

ALL
REPEAT
S

CAN

TRACK

PHONES

CANCEL/

CANCEL/

6

J

6

J

K

K

MENU

PLAY/PAUSE

MENU

PLAY/PAUSE

DELETE

DELETE

STOP

STOP

OPEN/CLOSE

AUDIO CD PLAYBACK

AUDIO CD PLAYBACK

IR SENSOR

OPEN/CLOSE

CL 96532086_000.eps

080999

ENTER

SERVICING

For servicing CDR775, the set can divided into three parts.

1. The display board (partly) 1 002, the I/O board 1004, the
headphone board (partly) 1002, the IR board (partly) 1002, the ON/
OFF & Standby LED board (partly) 1002 and the CD-out board
(partly) 1002 have to be repaired at component level. The power
supply unit 1003 is available as spare part, but can also be repaired
at component level.

2. The CDR module (containing the CDR loader 81, CDR main board
1001 and loader bracket 82, 83) will be exchanged completely in
case of failure. This complete CDR module is available as spare
part. Defective modules have to be returned for central repair.

3. The CD module (containing the CD loader 131, CD main board
1005 and loader bracket 132) is a new module with VAL1250
loader assy but also a separate CDM and separate loader parts will
be available via service stock. The CD main board can be repaired
at component level.

Also available: Circuit Description " The Basics of Compact Disc
Recordable/Rewriteable". Service code number 4822 725 25242.

Contents Page

1. Technical Specifications 2

2. Warning and Servicing Hints 4

3. User Instructions 7

4. Mechanical Instructions 19
Wiring Diagram CDR 19
Wiring Diagram CD loader 20
Exploded View CDR 21
Exploded View CD loader 22
Dismantling Instructions 23

5. Electrical and Circuit Diagrams

Diagram PWB

Overall Blockdiagram 24
Display Board 26 26
IR / On/Off &Standby LED Board 27 27
Headphone / CD-out Board 28 28
I/O Board 29 30
Power supply unit 31 32
CD-Mainboard 1A 33 37/38
CD-Mainboard 1B 34 37/38
CD-Mainboard 1C 35 37/38
CD-Mainboard 2 36 37/38

6. Diagnostic Software 39

7. Faultfinding Trees 43

8. Faultfinding Guide 49

9. List of Abbreviations 65

10. Partslist (mechanical and electrical) 71

©

Copyright reserved 1999 Philips Consumer Electronics B.V. Eindhoven, The
Netherlands. All rights reserved. No part of this publication may be reproduced,
stored in a retrieval system or transmitted, in any form or by any means, electronic,
mechanical, photocopying, or otherwise without the prior permission of Philips.

Published by RH 9969 Service DPS Hasselt Printed in the Netherlands Subject to modification 5 3104 125 40030

GB 2 CDR7751.

Technical Specifications CDR775

1. Technical Specifications CDR775

1.1 General

Mains voltage : all range version 84-

230V (/00, /01C, /06, /
13, /14)

: USA version 117V/

60Hz (/17)
Mains frequency : 50-60 Hz
Power consumption : 12W
DC output : +5V ± 10%, 50mA

max.

1.2 Input/output

1.2.1 Line output (CDR & CD)

Output level\ : 2Vrms at 0dB
Output resistance : 200

1.2.2 Line input

Input sensitivity : 500mVrms
Input impedance : 50k
Max. input voltage : 2.5Vrms

1.2.3 Digital output (CDR & CD)

Format : AES/EBU format

according IEC958

(consumer format)
Sampling frequency : 44.1kHz
Output resistance : 75

1.2.4 Digital input

Format : AES/EBU format

according IEC958

(consumer format)
Sampling frequency : 32 to 48kHz
Input resistance : 75

1.2.5 Optical input

Format : AES/EBU format

according IEC958

(consumer format)
Sampling frequency : 32 to 48kHz

1.3 Audio performance

1.3.1 Cinch analog output (CDR play-back)

Output voltage : 2Vrms ± 2dB (0dB

signal)
Frequency range F.R. : 20Hz < F.R.< 20kHz
Amplitude linearity :± 0.3dB (typical ±

0.1dB)

Channel unbalance : < 0.3dB at 1kHz

(typical ± 0.2dB)
Output resistance : 200
Phase non-linearity : < 0.2 deg at 1kHz
Outband attenuation : 50dB above 30kHz
Channel separation : > 90dB at 1kHz

(typical 110dB),

>85dB between 20Hz

and 20kHz (typical

S/N-ratio A-weighted : > 98dB (typical

S/N-ratio unweighted : > 95dB (typical 98dB)
Dynamic range : > 92dB at 1kHz

THD+N : >85dB between 20Hz

1.3.2 Cinch analog input/output (monitor path CDR)

Measured with Audio precision system one.
Input voltage is 1Vrms.
Output voltage : 2Vrms ± 2dB (0dB

Ω

Ω

Ω

Ω

Ω

Frequency range F.R. : 20Hz < F.R.< 20kHz
Amplitude linearity :± 0.3dB (typical ±

Channel unbalance : < 0.3dB at 1kHz

Output resistance : 200
Phase non-linearity : < 0.2 deg at 1kHz
Outband attenuation : 50dB above 30kHz
Channel separation : > 90dB at 1kHz

S/N-ratio A-weighted : > 90dB (typical 88dB)
Dynamic range : > 85dB at 1kHz

THD+N : > 80dB between 20Hz

Intermodulation THD : > 80dB

1.3.3 Cinch analog output (CD play-back)

Output voltage : 2Vrms ± 2dB (0dB

Frequency range F.R. : 20Hz < F.R.< 20kHz
Amplitude linearity :± 0.3dB (typical ±

Channel unbalance : < 0.3dB at 1kHz

Output resistance : 200
Phase non-linearity : < 0.2 deg at 1kHz
Outband attenuation : 50dB above 30kHz
Channel separation : > 90dB at 1kHz

S/N-ratio A-weighted : > 98dB (typical

S/N-ratio unweighted : > 94dB (typical 98dB)
Dynamic range : > 92dB at 1kHz

THD+N : > 82dB between 20Hz

>93dB)

100dB)

(typical 96dB), > 90dB
between 20Hz and
20kHz (typical 96dB)

and 20kHz (typical
91dB)

signal)

0.1dB)

(typical ± 0.2dB)

Ω

(typical 98dB), > 85dB
between 20Hz and
20kHz (typical >92dB)

(typical 90dB)

and 20kHz (typical
82dB)

signal)

0.1dB)

(typical ± 0.2dB)

Ω

(typical 100dB),
>85dB between 20Hz
and 20kHz (typical
>93dB)

100dB)

(typical 96dB), > 90dB
between 20Hz and
20kHz (typical 96dB)

and 20kHz (typical
85dB)

Technical Specifications CDR775

1.3.4 Headphone output (all functions)

GB 3CDR775 1.

Output voltage : 3Vrms (0dB)/8-2000
S/N : > 80dB
THD+N : > 78dB
Channel separation : > 60dB between 20Hz

and 20kHz

1.4 Laser device

Material : GaAlAs
Wave length : between 780 and

800nm (at 25°C)

Laser output : 1mW max. during

reading, 20mW max.
during writing

Class : 3B

1.5 Dimensions and weight

Number and height of feet : 4x11mm foiled
Apparatus tray closed (WxDxH) : 435x305x75mm

(without feet)
Weight without packaging : 3.2kg
Weight with packaging : 4.2kg

Ω

GB 4 CDR7752.

Warnings and Servicing Hints

2. Warnings and Servicing Hints

GB

WARNING

All ICs and many other semi-conductors are
susceptible to electrostatic discharges (ESD).
Careless handling during repair can reduce
life drastically.
When repairing, make sure that you are
connected with the same potential as the
mass of the set via a wrist wrap with
resistance.
Keep components and tools also at this
potential.

F

ATTENTION

Tous les IC et beaucoup d'autres semi­conducteurs sont sensibles aux décharges
statiques (ESD).
Leur longévité pourrait être considérablement
écourtée par le fait qu'aucune précaution
n'est prise a leur manipulation.
Lors de réparations, s'assurer de bien être
relié au même potentiel que la masse de
l'appareil et enfiler le bracelet serti d'une
résistance de sécurité.
Veiller a ce que les composants ainsi que les
outils que l'on utilise soient également a ce
potentiel.

D

Alle IC und viele andere Halbleiter sind
empfindlich gegen elektrostatische
Entladungen (ESD).
Unsorgfältige Behandlung bei der Reparatur
kann die Lebensdauer drastisch vermindern.
Sorgen sie dafür, das Sie im Reparaturfall
über ein Pulsarmband mit Widerstand mit
dem Massepotential des Gerätes verbunden
sind.
Halten Sie Bauteile und Hilfsmittel ebenfalls
auf diesem Potential.

GB

Safety regulations require that the set be restored to its original condition
and that parts which are identical with those specified be used.

NL

Veiligheidsbepalingen vereisen, dat het apparaat in zijn oorspronkelijke
toestand wordt terug gebracht en dat onderdelen, identiek aan de
gespecifieerde worden toegepast.

F

Les normes de sécurité exigent que l'appareil soit remis a l'état d'origine et
que soient utilisées les pièces de rechange identiques à celles spécifiées.

WARNUNG

NL

WAARSCHUWING

Alle IC's en vele andere halfgeleiders zijn
gevoelig voor elektrostatische ontladingen
(ESD).
Onzorgvuldig behandelen tijdens reparatie
kan de levensduur drastisch doen
verminderen.
Zorg ervoor dat u tijdens reparatie via een
polsband met weerstand verbonden bent met
hetzelfde potentiaal als de massa van het
apparaat.
Houd componenten en hulpmiddelen ook op
ditzelfde potentiaal.

I

AVVERTIMENTO

Tutti IC e parecchi semi-conduttori sono
sensibili alle scariche statiche (ESD).
La loro longevita potrebbe essere fortemente
ridatta in caso di non osservazione della piu
grande cauzione alla loro manipolazione.
Durante le riparazioni occorre quindi essere
collegato allo stesso potenziale che quello
della massa dell'apparecchio tramite un
braccialetto a resistenza.
Assicurarsi che i componenti e anche gli
utensili con quali si lavora siano anche a
questo potenziale.

D

Bei jeder Reparatur sind die geltenden Sicherheitsvorschriften zu beachten.
Der Originalzustand des Gerats darf nicht verandert werden.
Fur Reparaturen sind Original-Ersatzteile zu verwenden.

I

Le norme di sicurezza esigono che l'apparecchio venga rimesso nelle
condizioni originali e che siano utilizzati pezzi di ricambiago idetici a quelli
specificati.

SHOCK, FIRE HAZARD SERVICE TEST:
CAUTION: After servicing this appliance and prior to returning to customer, measure the resistance between

either primary AC cord connector pins (with unit NOT connected to AC mains and its Power switch ON), and the
face or Front Panel of product and controls and chassis bottom,
Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC
power is applied, and verified before return to user/customer.
Ref.UL Standard NO.1492.

NOTE ON SAFETY:

Symbol

: Fire or electrical shock hazard. Only original parts should be used to replace any part with symbol

Any other component substitution(other than original type), may increase risk or fire or electrical shock hazard.

“Pour votre sécurité, ces documents
doivent être utilisés par des
spécialistes agrées, seuls habilités à
réparer votre appareil en panne.”

CL 96532086_021.eps

080999

Warnings and Servicing Hints

SERVICING HINTS

In the set, chip components have been applied. For disassembly and assembly check the figure below.

GB 5CDR775 2.

CL 96532086_022.eps

080999

GB 6 CDR7752.

Warnings and Servicing Hints

CL 96532086_023.eps

080999

User instructions

3. User instructions

GB 7CDR775 3.

GB 8 CDR7753.

User instructions

User instructions

GB 9CDR775 3.

GB 10 CDR7753.

User instructions

User instructions

GB 11CDR775 3.

GB 12 CDR7753.

User instructions

User instructions

GB 13CDR775 3.

GB 14 CDR7753.

User instructions

User instructions

GB 15CDR775 3.

GB 16 CDR7753.

User instructions

User instructions

GB 17CDR775 3.

Personal notes:

GB 18 CDR7753.

Personal notes:

User instructions

Mechanical instructions

4. Mechanical instructions

Wiring diagram

WIRING DIAGRAM CDR775

8006

3104 157 1099

1000

114

8001

3104 157 1124

I/O BOARD

3104 128 0599

8002

3104 157 10962

CD OUT

3104 128 0590

17

1502

11

0205

1

GB 19CDR775 4.

Pin 1 indicated by All Wires are 1/1, except flex 8001, 8005 and 8007

2

0206

1

POWER SUPPLY UNIT

8007

3104 157 1129

0101

8001 (at conn. 1400
of CDR main board)

1 GROUND
2 DIG_OUT_C
3 GROUND
4 EXT_DIG_IN
5 EXT_OPT_IN
6 GROUND
7D5V
8KILL
9LEFT_IN
10 GROUND
11 RIGHT_IN
12 RIGHT_OUT
13 GROUND
14 LEFT_OUT

8002

1 VDC2
2VFTD
3

VDC1

4 GROUND
5+5V
6+5V
7 GROUND
8 GROUND
9 GROUND
10 +12V
11 -8V

8003 (at conn. F934
of CDR main board)

1 VDC2
2

VFTD

3 VDC1
4 SYS_RESET
5IIC_DATA
6 GROUND
7IIC_CLK
8 DISPL_INT
9 GROUND
10 D5V

8004

3104 157 11002

13

1410

Connections delivered
with CDR-loader assy

114

1400

Flex connected
to CDM

F934

1000

130

MAIN BOARD CDR

3104 128 0586

1

3

1400

1

110

1500

11

1708

Flex connected
to sledge motor

Flex connected
to turn table motor

Cable connected
to tray switch and
tray motor

10

1

11

1

4

1

1220

1330

1200

122

8005

3104 157 1123

8003

3104 157 1122

1208

1

4

1002

Cable connected
to tray switch and
tray motor

122

MAIN BOARD CD

3104 128 0598

Flex connected
to CDM panel

1000

116

Connections delivered
with CD-loader assy

111

Flex connected

1006

to turn table motor

17

1209

1001

Cable connected
to sledge motor

8004

1 LEFT_HP_OUT
2 GROUND

8006

1 ON!
2 OFF!

8009

1LED_ON
2 GROUND

3 RIGHT_HP_OUT

8008

1+5V
2

IR_IN

3 GROUND

8007 (at conn. 1209
of CD main board)

1 RIGHT_CD
2 GND
3 LEFT_CD
4 GND
5 DOBM_CD
6 GROUND

1

4

7 KILL

8005 (at conn. 1708
of CDR main board)

1 GROUND
2 DSA_DATA_CD
3 GROUND
4 DSA_STR_CD
5 DSA_ACK_CD
6 GROUND
7 D5V
8 12V_CD
9 GROUND
10 IIS_DATA_CD
11 IIS_WS_CD
12 GROUND
13 IIS_BCLK_CD
14 GROUND
15 DOBM_CD

TO FRAME

Texture indicates text on flex.

16 SYS-RESET
17 LEFT_IN_CD
18 GROUND
19 RIGHT_IN_CD
20 KILL
21 SYS_CLK_8W
22 GROUND

TO FRAME

HEADPHONE BOARD

3104 128 0590

ON/OFF & STBY LED

3104 128 0590

1302

2

1300

12

1

8009

3104 157 03881

1

1119

10

112

DISPLAY BOARD

3104 128 0590

1122

3

1121

8008

3104 157 11281

1200

1

3

IR BOARD

3104 128 0590

CL 96532086_001.eps

080999

Mechanical instructions

Wiring CD

WIRING DIAGRAM CD LOADER VAL1250

GB 20CDR775 4.

Flex from
turn table motor

Tray

switch

Turn table

motor

Tray motor

Connector from tray motor
and tray switch

Connection tray motor
and tray switch

LOADER VAL1250

CDM VAM1250

OPU

LOADER VAL1250

Sledge motor

and switch

Flex from OPU

Flex from
turn table motor

Connection sledge motor
and sledge switch

Flex from OPU

1002

11

1006

1

MAIN BOARD CD

1001

14

16

1000

1

14

CDM VAM1250

22

1208

1

16

1210

1

7

1209

1

MAIN BOARD CD

To main board CDR

To CD out board

CONNECTOR 1006

1 HALL +
2 W­3 W+
4 V+
5 HALL­6 U+
7 V­8 U­9 UCOIL
10 VCOIL
11 WCOIL

CONNECTOR 1000

1 VSUB
2 HFGND
3 VDD
4 RF
5 LDON
6 R2
7 R1
8 D4/D3
9 D2
10 D1
11 FTC
12 RW
13 FOC+
14 FOC­15 RAD+
16 RAD-

CONNECTOR 1002

1 HOMESW
2 SGND
3 TRAY+
4 TRAY-

CONNECTOR 1001

1 HOMESW
2 SGND
3 SL­4 SL+

CONNECTOR 1209

1 AUDIO R (RIGHT_CD)
2 GND
3 AUDIO L (LEFT_CD)
4 GND
5 DOBM5_CD (DOBM_CD)
6 GND
7 KILL

CONNECTOR 1208

1 GND
2 CRIN (SYS_CLK_8W)
3 KILL
4 AUDIO R (RIGHT_IN_CD)
5 GND
6 AUDIO L (LEFT_IN_CD)
7 DSA_RST (SYS_RESET)
8 DOBM (DOBM_CD)
9 GND
10 SCLK (I2S_BCLK_CD)
11 GND
12 WCLK (I2S_WS_CD)
13 DATA (I2S_DATA_CD)
14 GND
15 +12V
16 +5V
17 GND
18 DSA_ACK (DSA_ACK_CD)
19 DSA_STROBE (DSA_STR_CD)
20 GND
21 DSA_DATA (DSA_DATA_CD)
22 GND

Connector from sledge motor
and sledge switch

POSITION OF FLEX CONNECTIONS

CL 96532086_002.eps

080999

Mechanical instructions

Exploded view CDR775

EXPLODED VIEW CDR775

GB 21CDR775 4.

ON/OFF
& STBY LED

LOADER ASSY CDR

MAIN BOARD CDR

MAIN BOARD
CD

LOADER ASSY CD

CD OUT
BOARD

I/O BOARD

POWER SUPPLY UNIT

HEADPHONE
BOARD

IR
BOARD

DISPLAY
BOARD

DISPLAY ASSY

CL 96532086_003.eps

080999

Mechanical instructions

Exploded view CD

EXPLODED VIEW CD LOADER VAL1250

CLAMPER ASSY

SUSPENSION

RACK SPRING

GB 22CDR775 4.

CDM VAM1250

SCREW

SCREW

RACK

RUBBER

SWITCH

RUBBER

PLUG

TRAY GEARWHEEL

PLUG

TULE

RACK GEARWHEEL

MOTORSPRING

SUSPENSION

SUB CHASSIS

RUBBER

SUSPENSION

SUSPENSION

RUBBER

CHASSIS ASSY VAL1250

PULLEY WHEEL

TRAY HORIZONTAL

BELT

TRAY MOTOR ASSY

MOTORSPRING

CL 96532086_004.eps

080999

Mechanical instructions

Dismantling 775

DISMANTLING INSTRUCTIONS CDR775

See exploded views for item numbers

GB 23CDR775 4.

Cover 165

⇒

Remove 7 screws 166 → 172,

2 at each side and 3 at rear side.

Lift cover at rear side to remove.

⇒

assembling

↑
↓

disassembling

CDR module includes :

Loader 81
CDR main board 1001
Loader bracket 82

⇒

Put the CDR player's rear side facing you.
Undo the 3 wire connections on the CDR

⇒

main board 1001.

⇒

Undo the 2 flex connections on CDR main board.

⇒ Remove 4 screws 90,91,93,94

(loader bracket 82 → frame 181).

⇒

Lift CDR module at rear side to remove.

Attention : flexes are not part of the CDR module
and have to stay with CDR player in case
of CDR module exchange !

CD module includes :

Loader 131
CD main board 1005
Loader bracket 132

⇒

Put the CDR player's rear side facing you.

⇒ Remove 4 screws 140 → 143

(loader bracket 132 → frame 181).

⇒

Lift CD module at rear side to remove.

⇒

Undo the 2 flex connections on CD main board.

Attention : flexes are not part of the CD module
and have to stay with CDR player in case
of CD module exchange !

CD main board 1005

⇒ Remove 4 screws 147 → 150

(CD main board → loader bracket 132).

Undo 2 flex and 2 wire connections

⇒

on CD main board.

⇒

Remove board.

CD loader assy 131

⇒ Remove 4 screws 135 → 138

(CD loader → loader bracket 132).

⇒

Remove loader.

CDM VAM1250

Remove clamper assy 45 by releasing 4 snaps

⇒

(2 on left 2 on right side) on chassis assy 1.

⇒

Open tray 43 by unlocking rack 16.

⇒

Undo wires of CDM VAM1250 from
wire retainers on sub chassis 40.

⇒ Unlock suspensions 35 → 38 from sub chassis 40.
⇒ Remove CDM VAM1250.

CD out board 1002

⇒

Put CDR player's rear side facing you.

⇒

Undo flex connection to CD main board 1005.

⇒ Remove 2 screws 209, 210 connecting

the 2 I/O sockets to back plate 266.

⇒

Remove board.

Attention : flex is not part of the CD out board
and has to stay with CDR player in case
of CD out board exchange !

I/O board 1004 Power supply unit 1003

⇒

Put CDR player's rear side facing you.

⇒

Undo flex connection to CDR main board 1001.

⇒

Remove 3 screws 200 → 202, connecting
the 3 I/O sockets to back plate 266.

⇒

Remove board.

Attention : flex is not part of the I/O board
and has to stay with CDR player in case
of I/O board exchange !

IR board 1002

Remove 2 screws 36 and 37

⇒

⇒
⇒

→ front assy 1).

(IR board

Undo wire connection on board.
Remove board.

⇒

Put the CDR player's rear side facing you.

⇒

Undo the 2 wire connections on PSU.

⇒ Remove screw 205

(mains connector → back plate 266).
Remove 3 screws 189 → 191

⇒

(PSU board → frame 181).

⇒

Unlock snap on spacer 186.

⇒

Remove PSU.

WARNING: POSSIBILITY OF HIGH

VOLTAGE (300V) ON HEAT SINK,
EVEN AFTER REMOUNTING OF
PCB. DISCHARGE ELCAP 2121.

Display board 1002

⇒

Remove easy jog knob 51 pulling it forward.

⇒

Remove 11 screws 19
(display board → front assy 1).

⇒

Release 2 snaps (1 on left and 1 on right side)

⇒

Undo the 3 wire connections on display board.

⇒

Remove display board.

Attention : when reassembling make sure
the wiring from display board to IR board is
positioned between FTD display and
middle key assy 3 !

→ 29

Headphone board 1002

⇒

Pull board out of front assy 1.

⇒

Slide board out of middle key assy 3.

⇒

Undo wire connection on board.

⇒

Remove board.

Front assy 1

⇒

Put the CDR player's front side facing you.

⇒

Remove 2 screws 31, 32
(ground wires

⇒

Remove 2 screws 182, 183
(front assy 1

Unlock front assy from frame by releasing 7 snaps :

⇒

start with 2 on the top and two on the sides
and end with 3 at the bottom.

⇒

After disassembly put in front of the set (service position).

→ frame 181).

→ frame 181).

On/Off & Stby LED board 1002

⇒ Remove 2 screws 33 and 34

(on/off switch

⇒

Undo the 2 wire connections on board.

⇒

Remove power button 9 from on/off switch.

⇒

Remove board.

→ front assy 1).

CL 96532086_005.eps

080999

Electrical and circuit diagrams

5. Electrical and circuit diagrams

Blockdiagram 775

OVERALL BLOCK DIAGRAM CDR775

GB 24CDR775 5.

CDL 4009
LOADER ASSY

CDM3800

M

TURN
TABLE

LASER
&
FORWARD
SENSE

PHOTO
DIODES

RADIAL
FOCUS

M

SLEDGE

M

TRAY

TRAY
SWITCH

FLEX 11P

FLEX 30P

FLEX 10P

2 WIRES

2 WIRES

CDR MAIN BOARD

1330

DRIVE, HALL FEEDBACK

1000

IR, IW, IE

CAHF

A1LF, A2LF, B1LF, B2LF
C1LF - C4LF

RAD+, RAD­FOC+, FOC-

PCS PRE-AMP

NE532D

1220

SIN+, SIN­COS+, COS-

1200

SL+, SL-

TR+, TR-

TRAYSW

POWER
DRIVER

BA5938FM

EFMTIM3

LO9805

EFM TIMING
GENERATOR

CONTROL
LINES

LASER
CONTROL

CONTROL
LINES

AEGER

TZA1020

ANALOG
ERROR SIGNAL
GENERATOR
FOR
RECORDABLE

7225

7240

RAD

FOCUS

SLEDGE

TRAY

7008

EFMDATA, EFMCLK, LWRT

CONTROL
LINES

7016

CONTROL
LINES

XDAC

M62364

CONTROL
LINES

7010

I2C BUS

ALPHA0

A1, A2, CALF

TLN, MIRN, FEN, REN, RE

REFSIN, SINPHI, REFCOS, COSPHI

VRA, VFO, VSL

TRAYIN, TRAYOUT

TRAYSWF

HALL
MOTOR
DRIVER

BA6856FP

7330

HIN WOBBLE

HF AMP
FILTER

I2C
EEPROM

M24C08

CDR60

SAA7392

DECODER
ENCODER
MOTOR CONTROL

OFFTRACK
LLP
CDR60PLL

7207

MACE2

SAA7399

BASIC ENGINE
PROCESSOR

ATIPSYNC

SYS-CLK-BE
(8.4672 Mhz)

7300

CONTROL
LINES

MAD0 - MAD7

MA8 - MA17

7270

ADDRESS
BUS

DOBM-CDR

SUBCODE BUS

I2S BUS 1

DATA
BUS

DSA-CDR

FLASH
EPROM

DEMUX

FLASH
ROM

DRAM

A1 - A20 D16 - D31

DASP

MCF5244

DIGITAL AUDIO
SIGNAL
PROCESSOR

7802

33.8688 MHz

RAM

7208

7209

7703

7702

1707

ADDRESS
BUS

7701

DATA
BUS

INT-COPY-ANA

SEL-HP-OUT

SYS-CLK-11W

I2S BUS 2/4

L3 BUS

EXT-DIG-IN

DIG-OUT-C

EXT-OPT-IN

SYS-CLK-16W (16.9344 Mhz)

SYS-CLK-BE
(8.4672 Mhz)

DIGITAL
POT

DS1807

7405

CODEC

UDA1341TS

ADC / DAC

DSA-CD

I2S BUS 3-CD

DOBM-CD

/2

74F74D

7801

ANALOG
IN

7406

7706A

SYS-RESET

I2C BUS

ANALOG
OUT

ANA-OUT

CD-ANA-OUT

7409

7401

EXT-ANA-IN

CD-ANA-OUT

7407 7408

SYS-RESET

SYS-CLK-8W (8.4672 Mhz)

+5V

+12V

-8V

VDC1, VDC2, VFTD

D5V

1500

11 WIRES

F934

10 WIRES

1410

3 WIRES

1400 1000

FLEX 14P

1708

FLEX 22P

1119

1208

ON/OFF

0205

POWER SUPPLY
UNIT

DISPLAY ASSY

DISPLAY

15-BT-60GNK

SLAVE DISPLAY
CONTROLLER

TMP87CH74F

KEYS

1400

EASY
JOG

HEADPHONE

I/O BOARD

CD PLAYER

7309

DAC

UDA1320

7207

uP

S87C654

7000

DECODER

SAA7324

1209

FLEX
7P

1502

CD
ANALOG OUT

CD
DIGITAL OUT

CD OUT

1302

2 WIRES

0206

1113

7104

RC5

1050

EXTERNAL
ANALOG IN

ANALOG OUT
COMMON

EXTERNAL
DIGITAL IN

DIGITAL OUT
COMMON

EXTERNAL
OPTICAL IN

CD
DRIVE

CL 96532086_006.eps

080999

Electrical and circuit diagrams

Display 775

GB 25CDR775 5.

DISPLAY BOARD CDR775 - CIRCUIT DIAGRAM

A

V13

B

C

V14

D

E

V15

F

+5V

VFTD

+5V

VFTD

+5V

VFTD

7203
BC847B

3122

82K

7204
BC847B

3124

82K

7100
BC847B

3106

82K

F101

F102

F142

VFTD

GNDA

2101
100n

VDC2

GNDA

7104
TMP87CH74F

F127

F128

F129

F131

F134

F136

F139

F140

F143

F145

F147

F149

F174

F152

F153

G

TO ON/OFF &
STBY LED BOARD

1

2

H

I

12345

1113
15-BT-60GNK

REM REC

12 34 567 8 9 1011121314151617181920

SYNC MANUAL
DIGITAL ||
OPTICAL||
ANALOG

1F+
47

F100

65

V24

66

V25

V26

67

68

V27

V28

69

V29

70

V30

71

V31

72

V32

73

V33

74

V34

75

76

V35

77

V36
VKK

78

-SCK1

79

SI1

GNDA

F159

F166

1121

PH-B

GNDA

2F+

3F+

46

45

F114

F115

V23

V22

8-Bit h. breakdown v.

5-Bit h. breakd. v.

8-Bit Input/Output
(tri-state)

P03

SO1

1

3109

560R

5

671234

TIME TRACK TOTAL REM TRACK TIME FADE STEP

CD

P9

F110

V7

TC2

F167

+5V

3113
10K

F123

V6

-DV0

10P511P612P713P814

F111

V5

8-Bit A/D
Converter

P1

TC4

3114
10K

F168

PROG A-B

SHUFFLE ALL

REPEAT DISC

SCAN TRACK

P4

8P39

F124

V4

80k pull down80k pull down

TC1

BA

1G

2G

42

41

403G394G385G376G367G358G34

F103

F116

V21

V20

80k pull

down

out. port w. latch P9

source open

drain 80k p.d.

out w. latch PD

P04

P05

4

3

F170

F171

F164

GNDA

CD

RW

9G

F104

F105

F117

V18

V19

8-Bit h. break. v.

80k pull down

P0

P06

P07

7

GNDA

CDRLED

CDLED

3112

39K

1110

2109

22p

GNDA

RECORD

CHANGER

L

R

P2026P21

NC

10G3211G3112G3013G2914G2815G
33

F118

V16

V17

VFT driver circuit (automatic display)

25

27

V13

V15

V14

F119

V14

F108

F107

F120

5354555657585966061626364

V11

V12

V13

P6-P9 source open drain

F106

V15

8-Bit high breakdown voltage 8-Bit high breakdown v.
output port with latch output port with latchout w. latch P8

ROMRAM

F121

V10

F109

V9

Program
Counter

F122

V8

RW

P1016P1117P1218P1319P1420P1521P1622P1723P1824P19
15

CPU

3-Bit In/Output

with latch P2

XTIN

XTOUT

F157

GNDA

2102
22n

GNDA

TEST

drain

-STOP

F158

INTERRUPT

8-Bit Input/Output

(tri state)

-INT0

-INT1

sink open

XIN

VSS

XOUT

-RESET

8809

10 11 12 13 14 15 16 17 18 19220 21 22

F162

RESETN

2110

22p

GNDA

67

+

P1

P2

1F-

2F-

3F-

6

7

1

2

3

F165

F113

F112

F125

4142434445464748495505152

V1

V0

V2

V3

3-B. I/O P3

sink o.drain

INT2

VDD

VAREF

P6P7

VASS

AIN13

AIN12

AIN11

AIN10

4-Bit In/Output

(tri-state) P5

AIN7

P4

AIN6

AIN5

AIN4

AIN3

8-Bit Input/Output

AIN2

(tri-state)

AIN1

AIN0

-SCKO

INT4

SCA

SCL

23 24

1050

54

3

MT16MT2

GNDA

8

VFTD

6100
BZX284-C3V3

VDC1

3125
3K3

GNDA

+5V

F126

2100

40

100n

3107

4K7

B

A

GNDA

3108

100R

3111

100R

GNDA

2111

100n

+5V

+5V

39

F130

38

F132

37

F135

36

F137

35

34

F141

33

F144

32

F146

31

F148

30

F150

29

F151

28

27

F154

26

25

F155

F161

F163

1

27

8

910

+5V

1114

EVQ21

REC.

START

1111

EVQ21

EXT.

SOURCE

1120

EVQ21

REPEAT

1115

EVQ21
MENU

2106
22p

2104
22p

4K7

F160

3101

B

A

1

2

3

1101

EVQ21

PLAY /

PAUSE

1109

EVQ21

ERASE

1117

EVQ21

SCROLL

F138

F133

1122
EH-B

3100

4K7

GNDA

GNDA

TO IR BOARD

GNDAGNDA

910

F172

CD SELECT

1131-A

3115

560R

0100

EVQ21

STOP

1131-B

SKHQ

EVQ21

MODE

EVQ21

CANC /

F156

1

GND WIRE

GNDA

1105

SKHQ

CDRLED

1125

DJ

1118

DEL

VDC2

VFTD

VDC1

RESETN
IIC_DATA

IIC_CLK

INTERRUPT

11 12 13

1106

EVQ21
OPEN/
CLOSE

1103

EVQ21
PROG

1130-B

SKHQ

CD SELECT

SKHQ

CDLED

1126

EVQ21

PLAY

CD

1

2

F169

3

4

5

6

7

8

9

10

11

+5V+5V

GNDA

1119

EH-B

3103

4K7

1107

EVQ21

REC.

TYPE

1102

EVQ21

SHUFFLE

1104

EVQ21

PREV

1127

EVQ21

STOP

CD

+5V

3104

4K7

TO CDR MAIN BOARD

12

+5V

+5V

3102

4K7

GNDA

GNDA

F173

1130-A

3116

560R

1108

EVQ21

FINALIZE

1116

EVQ21
DISPLAY

1112

EVQ21

NEXT

1128

EVQ21

O / C

CD

+5V

3105

4K7

PB DISPLAY - 4230
CDR 775
3104 123 4230

13

A

B

C

D

E

F

G

H

I

0100 G10
1050 H7
1101 B9
1102 C12
1103 C11
1104 C12
1105 B10
1106 B11
1107 B12
1108 B13
1109 C9
1110 G4
1111 C10
1112 C13
1113 A3
1114 B10
1115 D10
1116 C13
1117 C9
1118 D10
1119 F11
1120 C10
1121 G3
1122 H9
1125 C10
1126 D11
1127 D12
1128 D13
1130-A D11
1130-B C11
1131-A C10
1131-B B10
2100 D8
2101 F2
2102 G5
2104 G10
2106 G10
2109 H4
2110 H5
2111 H8
3100 B9
3101 B10
3102 B11
3103 B11
3104 B12
3105 B13
3106 E2
3107 F8
3108 F8
3109 G4
3111 G8
3112 G4
3113 G6
3114 G6
3115 C10
3116 D11
3122 B2
3124 C2
3125 C8
6100 B8
7100 E1
7104 D3
7203 A1
7204 C1
F100 C3
F101 B2
F102 C2
F103 D4
F104 D4
F105 D4
F106 D5
F107 D5
F108 D5
F109 D6
F110 D6
F111 D6
F112 D6
F113 D7
F114 D4
F115 D4
F116 D4
F117 D4
F118 D5
F119 D5
F120 D5
F121 D5
F122 D6
F123 D6
F124 D6
F125 D7
F126 D7
F127 D3
F128 D3
F129 D3
F130 D7
F131 D3
F132 D7
F133 E9
F134 E3
F135 E7
F136 E3
F137 E7
F138 D9
F139 E3
F140 E3
F141 E7
F142 E2
F143 E3
F144 E7
F145 E3

CL 96532086_007.eps

F146 E7
F147 E3
F148 E7
F149 F3
F150 F7
F151 F7
F152 F3
F153 F3
F154 F7
F155 F7
F156 G10
F157 G5
F158 G6
F159 G3
F160 G10
F161 G7
F162 G5
F163 H7
F164 G4
F165 C7
F166 G4
F167 H6
F168 H6
F169 G11
F170 G4
F171 G4
F172 B10
F173 C11
F174 F3

080999

Electrical and circuit diagrams

Display 775

DISPLAY BOARD CDR775 - FRONT VIEW

GB 26CDR775 5.

DISPLAY BOARD CDR775 - BACK VIEW

CL 96532086_008.eps

080999

Electrical and circuit diagrams

R on/off

IR BOARD CDR775 - CIRCUIT DIAGRAM

123

1200 A1
6200 A3
F200 A2
F201 A2
F202 A2

GB 27CDR775 5.

IR BOARD - FRONT VIEW

1200
EH-S

AA

1

2

3

F200

F201

F202

2

VS

3

OUT

1

GND

6200

TSOP1736

IR BOARD - BACK VIEW

TO DISPLAY
BOARD

12

GNDB

3

PB DISPLAY - 4230
CDR 775

3104 123 4230

ON/OFF & STBY LED BOARD CDR775 - CIRCUIT DIAGRAM

123

1300 A3
1301 C3
1302 B1
6300 A1
F300 A2

A

6300

LTL-1CHPE

F300

F301

F301 A2
F302 B2

A

F303 B2

1

1300
PH-B

2

TO DISPLAY
BOARD

ON/OFF & STBY LED BOARD - FRONT VIEW

B

C

TO PSU

1302

EH-B

1

2

F302

F303

4

6

1301

SPPH23

251

3

PB DISPLAY - 4230
CDR 775

3104 123 4230

123

B

C

ON/OFF & STBY LED BOARD - BACK VIEW

CL 96532086_009.eps

080999

Electrical and circuit diagrams

HPCD out

HEADPHONE BOARD CDR775 - CIRCUIT DIAGRAM

123

F401

2400

1n

GND WIRE

GNDC

2401

1n

GNDC

GNDC

0400

1

F400

GNDC

F402

A

1400
PH-B

TO CDR MAIN
BOARD

3

2

1

B

HLJ1540

1
3

2

1401

PB DISPLAY - 4230
CDR 775
3104 123 4230

A

B

0400 A2
1400 A1
1401 A3
2400 A2
2401 B2
F400 A2
F401 A1
F402 B2

GB 28CDR775 5.

HEADPHONE BOARD - TOP VIEW

HEADPHONE BOARD - BOTTOM VIEW

123

CD OUT BOARD CDR775 - CIRCUIT DIAGRAM

52044

A

52044 4

52044

TO CD MAIN BOARD

B

52044

52044

C

52044 1

52044 5

D

12

GNDD

2500

10u

F502

GNDD GNDD

3501

180R

F508

3502

2K2

3503

180R

F509

3504

2K2

1502-3

3

1502-4

1502-2

2

1502-7

7

1502-6

6

1502-1

1502-5

F500

DIGININT

F501

F505

RIGHT2

GNDD

F506

KILL

F507

LEFT2

5500

7CHA

DIGOUTCOIL

34

2

1

78

GNDD

7500
BC847B

GNDD

7501
BC847B

34

F503

F504

6

F510

2503

220p

GNDD

F511

2504

220p

3500

68R

2501

33n

GNDD

GNDD

2502
33n

GNDD

1

2

3

1500

YKC21-3416

DIGITAL OUT CD

ANALOG OUT CD

1501

YKC21-3613

3

2

1

CD OUT BOARD - TOP VIEW

1500 A4
1501 C4
1502 A1
1502 A1
1502 A1
1502 C1
1502 C1

A

1502 C1
1502 D1
2500 A2
2501 A3
2502 A4
2503 C3
2504 D3
3500 A3
3501 C2
3502 C2

B

3503 D2

3504 D2
5500 A2
7500 C2
7501 D2
F500 A1
F501 A1
F502 A2
F503 A3
F504 A3
F505 C1
F506 C1
F507 D1
F508 C2
F509 D2
F510 C3
F511 D3

CD OUT BOARD - BOTTOM VIEW

C

D

GNDD GNDD

12

PB DISPLAY - 4230
CDR 775
3104 123 4230

34

CL 96532086_010.eps

080999

Electrical and circuit diagrams

I/O board

I/O BOARD - CIRCUIT DIAGRAM

1

3025

+5VDS

F100 F101

4R7

A

1000-8

B

+5V

DIGOUT

1001-B

YKC21-3421

DIGITAL INPUT

8

1000-13

13

5

+5VDS

F108

3

4

C

1002-B

YKC21-3699

5

1000-3

3

1000-2

2

1000-7

7

1000-1

1

6

4

F115

F117

F119

F120

INPUT RIGHT

D

INPUT LEFT

RIGHTOUT

E

KILL

LEFTOUT

F

GB 29CDR775 5.

23456789

1

2

DRIVER

3

2015
33p

2030
33p

2026

100p

2027

100p

GP1F32T

7010

3023

100R

F105

3029
75R

2025
150p

3030

100K

3031

100K

2017

2020

22n

22n

F107

3032

100R

3034

2K2

3036

100R

3038

2K2

3021

3024

7005

74HCU04D

1A

1

2A

3

3A

5

4A

9

5A

11

6A

13

3026

2023

3027

F116

3K3

3K3

VCC

GND

3K3

22n

3K3

7006
BC847B

14

1Y

2Y

3Y

4Y

5Y

6Y

7

F121

7008
BC847B

2

4

6

8

10

12

2018

22n

F113

F114

3033

100R

3035

2K2

3037

100R

3039

2K2

F106

+5VDS

+5VDS

5002

BLM21

2016

22n

7007
BC847B

7009
BC847B

2019

10u

3028

4R7

5001
7CHA

34

2

1

78

F110

2024

22n

GP1F32R

6000

F102 F103

6

F122

2028

33p

2021

33n

1

3

IR

2

F118

2029

33p

2022

33n

3020

68R

F111

F112

F104

1

2

5

F109

1000-12

1000-11

1000-10

1000-14

1002-A

YKC21-3699

2

3

1

1001-A
YKC21-3421

DIGITAL OUTPUT

1000-9

9

12

DIGIN

11

OPTIN

10

14

1000-4

RIGHTIN

4

1000-5

5

1000-6

LEFTIN

6

OUTPUT RIGHT

OUTPUT LEFT

A

B

C

D

E

F

1000-1 F1
1000-10 C9
1000-11 C9
1000-12 B9
1000-13 B1
1000-14 C9
1000-2 E1
1000-3 E1
1000-4 D9
1000-5 D9
1000-6 D9
1000-7 E1
1000-8 B1
1000-9 B9
1001-A A9
1001-B B1
1002-A E9
1002-B D1
2015 A2
2016 A5
2017 B3
2018 B4
2019 B6
2020 B3
2021 B7
2022 B7
2023 C4
2024 C6
2025 C3
2026 D2
2027 D2
2028 F7
2029 F7
2030 B2
3020 A8
3021 A4
3023 A2
3024 A4
3025 A1
3026 C4
3027 C4
3028 C6
3029 C3
3030 D3
3031 D3
3032 E3
3033 E5
3034 E3
3035 E5
3036 F3
3037 F5
3038 F3
3039 F5
3999 F9
5001 B6
5002 A5
6000 C7
7005 A4
7006 E4
7007 E5
7008 F4
7009 F5
7010 A2

PB AUDIO-I/O CDR99
3104_123_4239

123456789

CL 96532086_011.eps

080999

Electrical and circuit diagrams

I/O board

I/O BOARD - TOP VIEW

GB 30CDR775 5.

I/O BOARD - BOTTOM VIEW

CL 96532086_012.eps

080999

Electrical and circuit diagrams

PSU 99

GB 31CDR775 5.

0101 A 1
0101 B 1
0125 C 8
0205 F15
0205 E15
0205 G15

0205 G15
0205 A15
0205 A15
0205 G15
0205 H15
0205 H15

0205 C15
0205 D15
0206 J15
0206 J15
0207 I16
0207 C16

0207 I16
0207 B16
0207 J16
0207 D16
0208 H14
0210 B11

1120 B 2
1125 A 3
2101 G 2
2102 H 2
2103 H 2
2104 I 3

2106 K 2
2107 J 3
2109 J 4
2110 J 5
2111 G 7
2113 H 8

2114 I 7
2120 B 3
2121 C 6
2125 A 5
2126 B 5
2127 C 9

2129 E 5
2131 A 9
2133 E 8
2201 H12
2202 I11
2210 B11

4561 7 8 9 101112131415 1623

POWER SUPPLY UNIT 20PS317 - CIRCUIT DIAGRAM

3124

A

0101

TP1 TP2

3122

1R5

2120

385V

330nF

TP3 TP4

B

0101

3120

1120

T2.0AL250V

C

D

E

F

82K

G

3101

2101

82pF

2102

820pF

15

22K

H

I

3102
3103

3105

15K

8K2
2103

470pF

15K

3104

2104

12

14

13

J

*

1K

2106

K

3106

1125

7110

MC44603AP

DEMAGNETIZATION
DETECT

8

DEMAGNETISATION

MANAGEMENT

iref

SYNC INPUT

9

CT

10

RF
STANDBY

RP
STANDBY

(reduced frequency)

2.5V
ERROR
AMP

VOLTAGE

FEEDBACK

4.7nF

E/A OUT

FOLDBACK

*

2107

3108

220R

5120

OSCILLATOR

Vstby

STANDBY

VSB OUT

FOLDBACK

CURRENT

INPUT

SENSE INPUT

5

18K

2109

180K

3107

3110

10K

CURRENT
SENSE

7

1.5nF

16

reference

VOSC PROT

VOSC

SOFT-START
CONTROL

3109

330R

Vref iref

block

=1

2125

2.2nF/400V

2126

2.2nF/400V

Dmax &

SOFT START
& DMAX

11

2110

TP27

3123

3134

TP28

2129

Vref enable

initialization block

Set

LATCH

Reset

THERMAL
SHUTDOWN

iref

UVL01

Vref

2.2uF/50V

2213 B15
2220 F11
2221 G10
2222 F14
2223 F15
2230 C11

6102
SINB80

TP25

@

18K

18K

Q

2121

TP26

@ ITEM 2121

110V 220uF/200V

Wide Range 100uF/400V
Euro 47uF/400V

3129

10K

6129

4.7uF/50V
BZX84-C24

supply

UVL01

BUFFER

Vref Voc

OVER
VOLTAGE
MANAGEMENT

TP32

TP33

3111

1

OVER
VOLTAGE
PROTECT

2233 C15
2240 D11
2242 D14
2243 D15
2250 E11
2251 D11

22R

VC

OUT

GND

2
3
4

6

TP29

3116

6106

6107

2111

100R

910R

180R

BYD33J

BYD33J

100nF

3112

6113

3115

2252 E15
2260 I14
3101 G 3
3102 H 2
3103 H 2
3104 I 2

3113

15R

*

TP21

2114

TP22

100nF

3105 I 2
3106 K 2
3107 J 4
3108 J 3
3109 J 4
3110 G 4

STP5NB60FI

2133

2113

2.2nF

6114

BYD33D

7125

10K

3125

3126

6132

BYD33J

100uF/25V

3111 F 6
3112 H 7
3113 H 7
3115 I 7
3116 I 7
3120 B 2

0125

1R

3127

5132

10uH

5125

1R5

TP30

BEAD

2127

3128

3122 A 3
3123 C 5
3124 A 4
3125 C 8
3126 D 8
3127 D 9

2

5

470pF/1KV

1R5

7

9

CQY80NG

5

4

2131

2.2nF

5131

CT296F

7200

3203

3128 D 9
3129 E 6
3134 D 5
3201 G12
3202 H11
3203 J10

2

100R

17

15

11

13

10

14

16

18

1

TP23

TP24

7201

PBYR1060F

BYW98-200

5255

1uH

2221

47nF

TL431

3204 I11
3205 J11
3206 I11
3221 G13
3222 F13
3230 C13

6211

SB360

6210

6232

6230

BYW29F

6240

BYD33D

2251

6250

BYD33J

6220

BYD33D

2202
22nF

0210

*

3204

2210

2230

2240

2250

2220

1K8

3232 E13
3233 E14
3234 F14
5120 A 4
5125 B 9
5131 A 9

2200uF/10V

1000uF/16V

220uF/16V

10uF/50V

330uF/16V

3K3

3202

3K

3206

150R

3205

5132 E 9
5210 B14
5220 F14
5225 F12
5226 G12
5230 C13

10R

3201

2201

100nF

5240 D14
5250 E14
5255 E10
6102 A 6
6106 B 7
6107 C 7

BZX284-C6V8

7251
BC847

7252
BC857

5225

4.7uH

5226

*

9226

5230

2u2

6113 H 7
6114 I 8
6129 E 5
6132 E 8
6201 E14
6210 B11

3230

1K

6211 A11
6220 E11
6230 C11
6231 C14
6232 B11
6240 D11

6231

1N4006G

7249

L7908

2242

6251

3232

11K

BZX84-B20

6201

3233

10K

3234

10K

100uF/10V

7221

LM317T

240R

3222

2222

3221

470R

100uF/6V3

0208

2260

1nF

FRAME

* = RESERVED ITEM NUMBER

5210

6.8uH

5240
10uH

5250

10uH

5220

*

9220

1
2
3

6250 E11
6251 D13
7110 G 3
7125 C 8
7200 G10
7201 I10

TP5 TP6

*

TP7 TP8

*

TP9 TP10

TP11 TP12

TP13 TP14

TP15 TP16

TP17 TP18

TP19 TP20

TP31

2213

2233

*

2243

2252

*

2223

7221 F13
7249 D13
7251 E12
7252 E12
9220 F14
9226 G12

0205

5

0205

6

0205

10

0205

11

0205

2

220uF/50V

0205

1

0205

3

0205

4

0205

7

0205

8

0205

9

0206

1

0206

2

+5V

+5V

0207

+12V

0207

-8V

0207

VFTD

VDC2

VDC1

GND

GND

GND

GND

0207

0207

0207

20PS317
3122 427 21150

4

2

6

1

3

5

+5V

+12V

-8V

GND

GND

GND

A

B

C

D

E

F

G

H

I

J

K

4561 7 8 9 101112131415 1623

CL 96532086_013.eps

080999

Electrical and circuit diagrams

PSU 99

POWER SUPPLY UNIT 20PS317 - COMPONENT SIDE

0101 D 2
0125 B 5
0205 B 11
0206 D 9
0207 D 11

0208 A 11
0210 A 10
1120 C 2
1125 A 2
2110 C 5

2120 C 1
2121 A 5
2121a A 5
2125 A 4
2126 B 4

1234567891011

2127 B 7
2129 C 4
2131 C 8
2133 C 7
2210 B 10

2213 B 11
2220 A 9
2222 A 10
2223 A 10
2230 C 9

2233 C 11
2240 C 8
2242 C 10
2243 C 11
2250 B 9

2251 B 9
2252 B 11
2260 A 11
3101 C 6
3115 C 6

3120 B 2
3122 B 2
3123 C 4
3124 A 3
3125 C 6

3126 B 6
3127 B 6
3128 B 6
3129 D 5
3134 D 4

3201 D 9
3202 D 9
3203 D 8
3230 D 10
5120 A 3

5120a A 3
5125 B 7
5131 B 8
5132 C 7
5210 B 10

5220 A 10
5225 A 9
5226 A 9
5230 C 10
5240 C 10

5250 C 10
5255 B 9
6102 A 4
6106 B 7
6107 C 6

6113 D 6
6114 D 6
6132 D 6
6210 B 9
6211 B 9

6220 A 8
6230 C 9
6231 C 10
6232 C 9
6240 C 8

GB 32CDR775 5.

6250 B 9
7110 C 5
7125 B 5
7200 D 8
7201 D 8

7221 A 9
7249 C 10
9208 B 11
9210 B 8
9214 D 11

9215 D 11
9220 A 10
9226 A 9

1125

3124

2125

A

_

3122

B

3120

5120a

+

2126

6102

0125

5120

T2.0AE 250V

2110

C

2120

D

1120

0101

2129

3123

UL-LOGO

3122 423 30443

CAUTION:

RISK OF FIRE REPLACE ONLY
WITH SAME TYPE OF FUSE.

ATTENTION:

UTILISER UN FUSIBLE

DE RECHANGE DE MEME TYPE

3134

3129

1234567891011

POWER SUPPLY UNIT 20PS317 - SOLDERING SIDE

7125

7110

5131

2121

3128

31273115

3126

2121a

6106

5125

2127

3125

1

3

1

2

2240

7200

6113

5132

2133

6107

3101

6114

6132

6220

9210

6240

3203

7201

3202

2220

6211

6250

6230

2251

3201

2250

9226

6232

2230

7221

5225

0208

2223

2222

A

B

7249

5226

6210

5255

2210

9220

5220

5210

5250

5240

2213

0210

2252

2260

0205

9208

2243

C

5230

2242

2233

6231

9214

0206

3230

9215

0207

D

A

B

C

D

2101 B 5
2102 C 5
2103 C 5
2104 C 5

2106 D 5
2107 C 6
2109 C 6
2111 D 5

2113 C 6
2114 C 7
2201 D 8
2202 D 8

2221 A 8
3102 D 5
3103 C 5
3104 C 5

3234

7252

3105 C 5

3109 C 6

3113 C 6

3206 D 8

3233 B 10

6251 B 9

TP2 D 2

TP6 C 11

TP10 D 11

TP14 A 11

TP18 B 11

TP22 B 7

TP26 B 5
3106 D 5
3107 C 6
3108 C 6

3110 D 5
3111 C 7
3112 D 5

3116 C 5
3204 D 8
3205 D 8

3221 A 10
3222 A 10
3232 B 10

3234 B 10
6129 C 4
6201 B 10

7251 B 10
7252 B 10
TP1 D 2

TP3 D 3
TP4 C 2
TP5 B 11

TP7 C 11
TP8 D 11
TP9 C 11

TP11 A 11
TP12 B 11
TP13 A 10

TP15 A 11
TP16 A 11
TP17 B 10

TP19 C 9
TP20 D 9
TP21 C 7

TP23 D 8
TP24 D 8
TP25 A 5

TP27 C 4

TP28 C 5

TP29 C 5

TP30 B 7
TP31 D 9
TP32 A 4
TP33 B 5

1234567891011

3221

3222

2221

A

B

6201

3233

3232

7251

6251

3116

2101

2109

3112

2111

2102

2104

3103

3104

2103

3105

3102

3110

6129

2106

3106

UL-LOGO

3122 423 30443

CL 96532086_014.eps

C

D

080999

2113

3109

2114

3111

3205

3206

2202

2201

3204

3113

3108

3107

2107

1234567891011

Electrical and circuit diagrams

CD Diagram 1A

GB 33CDR775 5.

A

B

C

D

CD-DA, CD-R : 5V
CD-RW : 0V

8

F

G

H

1000-1 C1

1000-11 G1
1000-12 D1
1000-2 E1
1000-3 B1
1000-4 E1
1000-5 A1
1000-6 H1

1000-7 H1
1000-8 H1
1000-9 H1
1003 F7
1004 G9
1009 C15
1010 C15
1011 C15
1012 C15

1021 G10
1022 G11
1023 G11
1028 B2
1029 B3
1050-1 G1
1050-2 G1
2128 B12

12345

CD MAIN BOARD - CIRCUIT DIAGRAM 1A
DECODER & SERVO PROCESSOR PART

CONN. 1000 : TO CDM VAM1250

F147

100n

3179

1K

4u7

RW

1

HFGND

2135

HFGND

F155

2174

22u

22n

2175

HFGND

F146

+5VHF

2156

HFGND

3198

47R

1028

7008
BFS20

47u

1

1

+5VHF

47u

HFGND HFGND

+5VHF

LDON

1000-5

5

VDD

1000-3

3

2133

HFGND

VSUB

1000-1

1

2147

HFGND

RW

1000-12

12

RF

1000-4

4

HFGND

F173

1000-2

2

HFGND

F177

+5V

FTC

1000-11

11

1

1050-1

2

1050-2

1000-10

10

1000-9

9

1000-8

8

1000-7

7

1000-6

6

PB CD MAIN 4236
CDR99
3104 123 4236

2134

470n

HFGND

F154

2148

470n

HFGND

F160

47n

2159

HFGND

2163

F170

33n

3208

4R7

F180

12345

3177

3182

3187

3201

TDA1308T

2

2130 B6
2131 B12
2132 B11
2133 B1
2134 B1
2135 B1
2137 B8
2138 B8

3279

1R

1R

390R

390R

7011
BFS20

1K2

7311-A

1

V4

61V462

60

MOTO2

MOTOR

CONTROL

DEMOD

CONTROL

FUNCTION

PRE-

PROCESSING

VNEG21VPOS

20

2178

100n
2186

47u

F324

3225

+3V3

DIG.
PLL

EFM

3282 G11
3283 G123168 B12

3285 H13
3286 H13
3287 H133173 B4

7000 C93176 C14

3172

100R

F303

59

MOTO1

22RN23

2286

1n5

1

1022

2R2

7006 D3
7007 E7
7008 E2
7009 D5
7010 E6
7011 E2
7023 B5
7024 F6
7025 B7

+3V3

2R2

3162

2132

3273

3276

47u

2139

100n

58

VSSD3

ADDR

PROCESSOR

RP

1

100R

4

5

F305

F304

F308

57

56

55

SL

FO

VDDD2C

OUTPUT

STAGES

SRAM

AUDIO

SELPLL

TEST1

CL16

25 31

26

24

F184

10K

10K

3220

3282

1023

+3V3

F191

3274

100R

100R

6

F306

54

RA

ERROR
CORR.

SER. DATA
INTERFACE

DATA

27

7130 H15
7131 H14
7132 H13
7311-A G2
F139 A12
F143 A13
F146 A23193 D7
F147 B1
F149 B13

3275

100R

53

CFLG

INTERF.

PEAK
DET.

WCLK

28

+3V3

3161

F302

VDDD1P

EBU

SCLK

52

29

F151 C13
F154 C1
F155 C2
F156 C8
F157 C3
F159 C9
F160 D13202 E2
F162 D7
F163 D14

F139

2R2

2128

47u

2131

100n

3168

100R

51

DOEM

SUBCODE

MICROCONTROLLER

SER. DATA
LOOPBACK

INTERF.

VERSAT.

KILL

INTERF.

EF

30

F318

F321

F322

F183

3283

F164 D7
F165 D133206 E8
F166 E7
F167 E143211 F6
F168 E14
F170 E1
F171 E7
F172 E14
F173 E1

13 14

+5V

49

CL11|4

SBSY

SFSY

SUB

RCK

TEST3

STATUS

SILD

RAB

SCL

SDA

RESETn

SCLI

SDI

WCLI

V2|V3

VSSD1

KILL

32

F182

3219-D

3219-B

+5VHF +5VHF

10K

3286

150K

47K

3287

HFGND

47R

47R

F149

48

47

46

45

F311

44

43

42

41

40

39

38

37

36

35

34

33

HFGND

3171

10K

50

VSSD2

PROCESSOR

INTERFACE

TEST2

2232

100n

+5V

F315

F181

3219-C

47R

3219-A

47R

3285

3267

F143

F151

3284

0R

F165

VPROC

4K7

2233

1n5
7132
BC848B

1K

3280

F174 E7
F175 E7
F177 F1
F178 F9
F180 G1
F181 F13
F182 G13
F183 G12
F184 G11

F163

F167

F168

F172

10K

2280

100n

+5VHF

3268

F190

7005-B

74HCT08D

4

5

+5V

3185

SCLK_IN

DATA_IN

WCLK_IN

+5VHF

3269

100K

1K

HFGND

F190 H14
F191 H11
F192 H143273 B11
F302 B12
F303 B11
F304 B11
F305 B11
F306 B12
F308 B11

+5VY

14

7

3176

100R

10

11.2896MHz

+5V

4K7

4K7

3186

3214

0R

100R

BC858B
7131

6003

BAS216

3266

HFGND

6

F192

2230

4n7

3164

47R

3265

100K

2167

F309 C9
F310 C9
F311 D133284 D13
F312 D9
F313 D7
F314 D9
F315 D136003 H14
F318 G12
F319 G97005-B B14

DOBM5_CD

DOBM5_CD

100n

+5VHF

3270

7130
BC848B

HFGND

1

1

1

1

CL11

SCLK

WCLK

DATA

CL16

10K

MUTE

EF

1009

1010

1011

1012

RESET

SL

FO

RA

V4

MOT1

CFLG

SILD

SCL

SDA

HFDET

F321 G12
F322 G12
F324 G10

A

B

C

D

EE

F

G

H

3183

3202

10K

22K

+5VHF

100R

8

4

1029

HFGND

3213

1

2151

2166

2139 B11
2140 C4
2141 C6
2142 C9
2143 C4
2145 C9
2146 C6
2147 C1

+5VHF

2182

3

2

2148 C1
2149 C6
2150 C9
2151 D3
2152 D3

2155 D9
2156 D2
2157 D8

2159 D1
2160 D6
2161 D6
2162 E4
2163 E1

2166 E3
2167 E14
2168 F8

2170 F81000-10 G1

2172 F9
2173 F9
2174 F1
2175 F2
2178 G10
2182 F3

2183 F3
2184 G9
2185 G9
2186 G10
2189 G9
2191 H9
2200 H4
2201 H4
2230 H14

2232 H131020 G10

2236 F6
2280 F14
2285 G10
2286 G11
3160 A9
3161 B12
3162 B11

3164 B15

3169 B5
3171 B13
3172 B11

3174 B4

3177 C2

3178 C8
3179 C1
3180 C5
3181 C9
3182 D2
3183 D2
3184 D8
3185 D14
3186 D14

3187 D2
3188 D5
3189 D7
3190 D9
3191 D4
3192 D42154 D9

3194 D8
3195 E8

3196 E6
3197 E8
3198 E2
3199 E3
3200 E8
3201 E22164 E4

3203 E5
3204 E8

3205 E72169 F8

3208 F12171 F9

3212 F9
3213 F3
3214 F14
3219-A G13
3219-B G13

3219-C G13
3219-D G13
3220 G11
3225 H10
3229 H9
3265 H15
3266 H14
3267 H13
3268 H14

3269 H14
3270 H152233 H13

3274 B12
3275 B12
3276 B11
3279 B2
3280 F13
3281 F6

6 7 8 9 10 11 12 15

4

6

5

eyepattern

PULSE DENSITY MODULATION

+5VHF

2.5V

0,5us/DIV

3173

3174

430R

430R

2140

HFGND

2

3192

430R

2164

180p

2201

HFGND

2143

330p

2162

HFGND

1n5

F157

47u

47n

100n

2152

HFGND

7006
BFS20

3191

430R

1K5

3199

HFGNDHFGND

10u

2183

100n

180p

100p

2200

HFGND

+5VHF

3188

3203

560p

2K7

7009
BFS20

2K7

HFGND

>800mVpp

+5VHF

2K7

3169

7023
BFS20

2K7

3180

HFGND

HFGND

HFGND

390p
2149

680p

BF824
7024

HFGND

2130

100n

HFGND

2141

2n2

2146

1n5

BC848B

HFGND

7010

+5VHF

22n

3281

16

7

8

1

5

2

4

12

14

15

11

2160

HFGND

HFGND

+12V

3211

3

74HCT4052D

VCC

VEE

GND

0

1

2

3

+5VHF

47u

1K

3196

BC858B

2R2

2236

1K
HFGND

HFGND

2161

7007

HFGND

7025

10

0

0

4x

9

3

1

6

G4

HFGND

3

13

22n

HFGND

F156

9

3189

3193

3205

100n

1003

1

2

F313

390R

180R

10K

+3V3

F162

F164

F166

F171

F174

F175

2137

HFGND

3194

10K

3195

10K

3197

10K

3200

10K

3204

10K

3206

10K

22n

S1

S2

2138

3178

HFGND

1K

HFGND

HFGND

3184

100n

2R2

2157

2169

220p

2168

220p

8.4672MHz

2170

2142

22n

F310

2150

47n

F312

HFGND

220p

HFGND

CRIN

7

2171

47u

3190

220p

F178

30K

2172

33p

2184

47p

2145

3181

22K

2155

2154

2173

220p

3212

1M

1004

CX-5F

8M4672

HFGND

F309

F159

100n

F314

220p

7000
SAA7324

LDON

1

HFREF

2

HFIN

3

ISLICE

4

VSSA1

5

VDDA1

6

IREF

7

VRIN

8

D1

9

D2

10

D3

11

D4

12

R1

R2

13

VSSA2

14

15

CROUT

CRIN

16

33p

2185

2189

100n
2191

47u

3160

VDDA2

F319

3229

10K

63

64

V1

VERSATILE
INTERFACE

VREF GEN.

ADC

TIMING

LN19LP

17

18

1

1020

2R2

+3V3

FRONT

END

2285

1n5

V5

BITSTREAM DAC

1

1021

13 14 156789101112

9

eyepattern

2.5V

0,5us/DIV

CL 96532086_015.eps

080999

Electrical and circuit diagrams

CD diagram 1B

GB 34CDR775 5.

123456

789

10 11

CD MAIN BOARD - CIRCUIT DIAGRAM 1B

SERVO DRIVERS PART

1002

A

TO TRAY
SWITCH
& MOTOR

B

TO SLEDGE
SWITCH

HOMESW

SGND

TRAY+

TRAY-

HOMESW

SGND

SL-

SL+

1001

& MOTOR

C

RAD+

1000-15

WCOIL

VCOIL

UCOIL

2113

V+

V-

W+

W-

1000-16

1000-14

1000-13

BC858B

7019

3102

47R

3117

47R

F114

100n

PGND

2112

RAD-

FOC-

FOC+

F116

PGND

F120

F123

F124

F125

F129

F132

+5V

100n

15

16

14

13

PGND

F113

2111

PGND

D

TO CDM
VAM1250

E

1006-1

F101

1

F

11

12

G

13

14

15

H

16

17

18

19

I

HALL+

F106

5

HALL-

1006-5

1006-11

11

1006-10

10

9

1006-9

1006-6

U+

6

U-

8

1006-8

1006-4

4

7

1006-7

1006-3

3

2

1006-2

TO TURN TABLE
MOTOR

PB CD MAIN 4236
CDR99
3104 123 4236

1

100n

F103

PH-B

1

2

SGND

3

4

PH-B

1

2

SGND

3

4

F112

TRAYSW

F107

F109

HOMESW

F115

F117

SGND

5V8

SGND

5V8
5V8

TDA7073A

16

3

14

13

12

4

10

9

5V8

TDA7073A

F133

F136

F138

F145

+5V

22K

3100

3101

22K

7020

3

A3

A2

5

A1

7

1

NC1

2

NC2

H1+

9

10

H1-

4

NC3

6

NC4

11

H2+

12

H2-

15

NC5

13

H3+

14

H3-

DRIVER

GAIN

CONTROL

+

-

+

-

+

-

+

-

+

-

+

­GND

+5V

VCC

8

PGND

3148

0R

3152

0R

3155

0R

3159

0R

47u

PGND PGND

25

-+

H BIAS

MT1

5V8

SGND

5V8
5V8

SGND

5V8

F100

100n

2105

BA6856FB

RNF
VM2

VM1

REV

REV

PS

PS

EC

+

ECR

-

CNF

VH

FG1

FG2

FG3

MT2

29 30

PGNDPGND

16

14

13

12

10

2104

3

4

9

28

27

26

24

PGND

23

22

F300

21

F301

20

19

18

17

16

F118

100K

PGND

1008

1

1R

3135

3146

F131

VDD

PGND

100n

PGND

7021

-

+

+

-

1V6

1V6

VDD

F104

1R

3134

6002

BYG50D

2119

3107

560R

15

11

+3V3

7022

-

+

+

-

PH-B

100n

PGND

7031

BC847B

10n

1

2

5

6

7

8

1
2

15

11

6

7

1

2

3

4

5V

5V

1V6

1V6

3142

270R

5

1V6
1V6

8

1005

6001

BYG50D

2118

PGND

3106

180R

2282

2100

100n

100n

2102

3103

F111

3138

330p

330p

3140

0R

7030

BC847B

10n

3137

270R

F137

3104

180R

2281

3116

+3V3

47K

47K

SGND

3151

12K

3157

12K

PGND

F126

2106

SGND

SGND

47u

100n

2107

3132

22K

2110

100n

F134

RA

SGND

1024

1025

1

47u

2125

100n

2124

1321

PH-B

1

2

3

4

3113

7301

BC848B

T1

F121

3139

10K

22n

2117

3154

2114

100n

11

1

1R

+5V+5V

1K

10K

3110

3130

10K

2220

100n

+5V

3278

100R

7005-D

74HCT08D

14

12

13

7

F141

+12V

FO

+5V

F108

F122

+5VX

+5VY

+5V

STBY

2108

100n

F110

6

100R

7110-B

14

74HCT00D

7

3277

SL

+5VX

7110-C

74HCT00D

14

9

8

10

11

7

+5VX

7110-A

74HCT00D

3141

14

1

3

2

7

0R

4

5

1n

2103

22n

3136

2109

3145

270R
2120

F128

22u

2121

100n

12n

2122

3149

F135

F140

10n

3158

2126

+12V

6000

BYG50D

F119

47K

47K

3144

3143

+5V

F130

1K2

100n

+3V3

3114

3147

1K

1K2

T2

F127

2115

3156

12K

8K2

2116

150K

3150

12K

3115

4K7

22u

3105

560R

270R

2123

2127

1026

1

3131

1R

+5VX +5V

7110-D

14

74HCT00D

7

MOT1

F102

F105

12

13

100n

1027

10K

2221

TRAYIN

TRAYOUT

1

+12V

SL

RA

FO

MOT_UP

3129

MOT_SW

MOT1

234567891011

1000-13 E1
1000-14 E1
1000-15 D1
1000-16 D1
1001 B1
1002 A1
1005 F5
1006-1 F1
1006-10 G1
1006-11 G1
1006-2 I1
1006-3 I1
1006-4 H1

A

1006-5 F1
1006-6 G1
1006-7 H1
1006-8 H1
1006-9 G1
1008 F4
1024 D8
1025 D8
1026 B10
1027 B11
1321 F7

B

2100 A5
2102 A6
2103 A5
2104 F3
2105 F3
2106 B7
2107 B7
2108 H9
2109 B5
2110 B7
2111 G1
2112 G1

C

2113 G1
2114 I8
2115 B5
2116 B5
2117 I7
2118 H4
2119 H4
2120 C5
2121 D5
2122 D5
2123 C6
2124 D7

D

2125 D7
2126 E5
2127 E6
2220 H8
2221 I11
2281 I6
2282 I4
3100 F1
3101 F2
3102 F1
3103 A6

E

3104 I6
3105 I6
3106 I5
3107 I4
3110 G8
3113 G8
3114 A5
3115 A5
3116 A6
3117 F1
3129 H11
3130 H8

F

3131 B10
3132 B7
3134 G4
3135 G4
3136 B5
3137 B6
3138 B6
3139 I7
3140 H6
3141 I9
3142 C4
3143 H5

G

3144 H5
3145 C5
3146 H4
3147 C5
3148 D3
3149 D5
3150 D5
3151 D6
3152 D3
3154 D8
3155 E3

H

3156 E5
3157 E6
3158 E5
3159 E3
3277 H9
3278 I8
6000 G5
6001 G5
6002 G4
7005-D I8
7019 F1
7020 G2

I

7021 A4
7022 D4
7030 H6
7031 I4
7110-A H10
7110-B H9
7110-C H10
7110-D H11
7301 H8

F100 F3
F101 F1
F102 A11
F103 A2
F104 F4
F105 A11
F106 F1
F107 A2
F108 H8
F109 A2
F110 H9
F111 B6
F112 B2
F113 G1
F114 G1
F115 B2
F116 G1
F117 B2
F118 G4
F119 H5
F120 H1
F121 I7
F122 I8
F123 H1
F124 H1
F125 H1
F126 I6
F127 I5
F128 C5
F129 I1
F130 I5
F131 I4
F132 I1
F133 D2
F134 D9
F135 D5
F136 D2
F137 D6
F138 D2
F140 E5
F141 D9
F145 E2
F300 H4
F301 H4

Input conditions conn 1006 pin Outputs conn 1006 Test points on driver

684 732 9 10 11 18 17 16

U+ U- V+ V- W+ W- UCOIL VCOIL WCOIL HALL_U HALL_V HA LL_W

L M H M M M 6V 0V 0V 0V 5V
H M L M M M 0V 6V 6V 5V 0V
M M L M H M 0V 6V 0V 0V 5V
M M H M L M 6V 0V 6V 5V 0V
H M M M L M 0V 0V 6V 5V 0V
L M M M H M 6V 6V 0V 0V 5V

Input voltage Level Tolerance Unit

H2.80.1V
M2.50.1V
L2.20.1V

CL 96532086_016.eps

080999

Electrical and circuit diagrams

CD diagram 1C

GB 35CDR775 5.

A

B

C

D

E

F

G

H

I

1234567

CD MAIN BOARD - CIRCUIT DIAGRAM 1C

AUDIO PART

V4

CFLG

DOBM5_CD

CL11

SCLK

WCLK

23

2ms/DIV

20 21 22

2,1168MHz

SCL

44,1KHz

WCLK

DATA

PB CD MAIN 4236
CDR99
3104 123 4236

DATA

CL16

24

0V

5Vpp

GENERAL PURPOSE TEST

TRACK 10 1KHz 0dB

LEFT CHANNEL

0.5uS/DIV

32

RIGHT CHANNEL

MSBMSB LSB

F194

DATA

AGND

2180

22u

2187

100n

7309

UDA1320ATS/N2

BCK

2

WS

DIGITAL

INTERFACE

3

DATAI

VOLUME/MUTE/DE-EMPHASIS

6

SYS

CLK

14

VOL

VSSA5VSSD

AGND

+3V3

A3V3

4R7

4R7

3215

F185

F186

13

VDDA4VDDD

CONTROL

INTERFACE

INTERPOLATION

NOISE SHAPER

DAC DAC

VREF-DAC

AGND

2203

3216

22u

2188

100n

1215

2181

1u

AGND

APPSEL

APPL0

APPL1

APPL2

APPL3

VOR

F189

2204

100n

+3V3

F317

10K

3217

F179

BC847B

10K

3227

71

11

10

9

F352

8

16

3254

0R

22K

F195

3235

F351

0R

2235

AGND

3236

3241

22K

F350

0R

47u

AGND

3237

AGND

A3V3

3361

3248

3258

7310

2234

F196

+3V3

100R

22K

22K

3218

47u

AGND

1K

A3V3

3271

3233

3243

8 9 10 11

CONN. 1208 : TO CDR MAIN BOARD
CONN. 1209 : TO CD OUT BOARD

F142

3153

100R

GND

F197

5

6

2190

100R

F187

22K

22K

100n

3260

47K

2214

100p

3226

10K

3

2

8

4

A12V

3263

100n

2216

8

4

3245

47K

2202

100p

7120-B
TDA1308T

AGND

2218

MUTE

2R2

7120-A
TDA1308T

F199

AGND

7

F198

47p

1

AGND

AGND

20

21

22

2197

47u

AGND

2208

47u

AGND

LASEROFF

CRIN

F152

F188

10K

F193

10K

F158

F161

F169

F176

32423256

AGND

AGND

2252

1n

F148

F150

3175

100R

2199

2211

47p

47p

47p

47p

WCLK_IN

SCLK_IN

DATA_IN

47p

47p

F354

2153

2158

2165

2176

2217

AGND

2219

47p

F320

F323

F325

F329

47p

F353

DOBM5_CD

F355

F307

LASEROFF

GND

GND

GND

GND

CFLG

DOBM

CRIN

CL11

SCLK

WCLK

DATA

CL16

V4

1210-3

1210-4

1210-10

1208-14

1208-8

1210-8

1208-2

1210-7

1208-9

1208-10

1208-11

1208-12

1208-22

1208-13

1210-9

1210-6

1210-5

1210-11

1210-12

1210-13

1210-14

1210-15

1210-16

1208-3

1209-7

1209-1

1208-4

1209-2

1208-5

1209-3

1208-6

1209-6

1209-5

1209-4

3

4

10

14

8

8

2

7

9

10

11

12

22

13

9

6

5

11

12

13

14

15

16

3

23

7

1

4

ANALOG

2

OUT

5

3

6

6

5

4

1234567891011

I2S
BUS

1208-10 C11
1208-11 C11
1208-12 D11
1208-13 D11
1208-14 A11
1208-2 B11
1208-22 D11
1208-3 G11
1208-4 H11
1208-5 H11
1208-6 I11

A

1208-8 B11
1208-9 C11
1209-1 H11
1209-2 H11
1209-3 H11
1209-4 I11
1209-5 I11
1209-6 I11
1209-7 G11
1210-10 A11
1210-11 F11

B

1210-12 F11
1210-13 F11
1210-14 F11
1210-15 F11
1210-16 G11
1210-3 A11
1210-4 A11
1210-5 E11
1210-6 E11
1210-7 C11
1210-8 B11
1210-9 D11

C

2153 C9
2158 D9
2165 D9
2176 E9
2180 F5
2181 F6
2187 F5
2188 F6
2190 F8
2197 H9
2199 H9
2202 H8

D

2203 H6
2204 H6
2208 H9
2211 I9
2214 I8
2216 G8
2217 G9
2218 B8
2219 B10
2234 G7
2235 I7

E

2252 I9
3153 A9
3175 B9
3215 F5
3216 F6
3217 E7
3218 E7
3226 F8
3227 F7
3233 G8
3235 G7
3236 G7

F

3237 G7
3241 H7
3242 H9
3243 H8
3245 H8
3248 I7
3254 I7
3256 I9
3258 I7
3260 I8
3263 G8
3271 G8

G

3361 H7
7120-A G8
7120-B I8
7309 F5
7310 F7
F142 A9
F148 B9
F150 B9
F152 C9
F158 C9
F161 D9

H

F169 D9
F176 E9
F179 F7
F185 F6
F186 F5

24

F187 G8
F188 G9
F189 H6
F193 H9
F194 H5
F195 H7
F196 H7

I

F197 G8
F198 I8
F199 H8
F307 B10
F317 E7
F320 F10
F323 F10

CL 96532086_017.eps

F325 G10
F329 G10
F350 G7
F351 G7
F352 G7
F353 H10
F354 I9
F355 I10

080999

Electrical and circuit diagrams

CD diagram 2

GB 36CDR775 5.

A

B

S2 S1

C

D

E

F

G

H

I

PB MAIN CD-4236
CDR99
3104 123 4236

MUTE

MOT_SW

HFDET

000

n=1 disc start up
n=1 disc play

1
11

n=2 disc play

RESET

MOT_UP

TRAYSW

TRAYIN

TRAYOUT

HOMESW

+12V

10K

3311

7210
3326
3327
2305

7211
3329
3330
2308

3115

3309

uP3V3

3

VPROC

VPROC

10K

3304

+5V

1K

1K

3310

0R

3351

+5V

3346

3352

10K

0R

F210

3353

100R

DSA_ACK

DSA_DATA

DSA_STROBE

DSA_STROBE

VPROC

3300

SDA

SILD

10K

3305

VPROC

10K

3306

3318

100R

100R 3319

3354

100R

3355

100R

F217

VPROC

3302

10K

VPROC

10K

3307

3356

100R

VPROC

3303

10K

F221

F223

F224

F226

10K

F213

2300

7202
S87C654

37

P0-0|AD0

36

P0-1|AD1

35

P0-2|AD2

34

P0-3|AD3

33

P0-4|AD4

32

P0-5|AD5

31

P0-6|AD6

30

P0-7|AD7

40

P1-0

41

P1-1

42

P1-2

43

P1-3

44

P1-4

1

P1-5

2

P1-6|SCL

3

P1-7|SDA

4

RST

29

EAn|VPP

27

ALE|PROGn

26

PSENn

28

NC1

DSA_RST

F201

100n

2301

47u

F207

VCC

VSS

38

P3-0|RxD

P3-1|TxD

P3-2|INT0n

P3-3|INT1n

P3-6|WRn

P3-7|RDn

16

3308

2R2
3311

2R2

P2-0

P2-1

P2-2

P2-3

P2-4

P2-5

P2-6

P2-7

P3-4|T0

P3-5|T1

XTAL1

XTAL2

NC2

NC3

NC4

H401

1

2

VPROC

+5V

+3V3

A3V3

18

19

20

F209

21

22

F211

23

F212

24

25

F240

5

F241

7

8

F242

9

10

11

F216

12

F218

13

F222

15

F225

14

6

39

17

1M

1205

3331

100R

100R3320

29 30

3328

CST

VPROC

3335

VPROC

3337

VPROC

3339

F250

LASEROFF

12MHz

VPROC

10K

10K

10K

2309

3334

BAS216

VPROC

VPROC

3332

4u7

EVQ21

100R

6201

3357

3358

10K

1K

0R

1322

+3V3

3333

100R

3359

0R

F208

10u

100n

2327

2302

+5V

T1

T2

F228

F229

F230

F231

A12V

+12V

7204

LD1117

2

3

IN

OUT

GND

1

F214

3360

0R

2306

H403

1

2

100n

2303

28

220u

2304

F219

100u

2307

330n

27

+12V

CONN. 1208 : TO CDR MAIN BOARD

1 456789101112

2

CD MAIN BOARD - CIRCUIT DIAGRAM 2
MICROPROCESSOR PART

F200

26

F202

F203

S1

F204

S2

STBY

F206

25

VPROC

+3V3

1K

3312

+5VY

14

7

3314

10K

+5VY

14

3

7

9

10

VPROC

T1

T2

TRAY

7203

BC848B

SCL

7005-A
74HCT08D

F227

RW

3350

1K

7005-C
74HCT08D

8

VPROC

10K

3313

3342

+5V

1

2

uP5V

3208

3326
3327

3329
3330

3114

+5V

1206

3344

1207

3345

13

3999

1K

MUTE

1210-1

1

ON_TRACK

HFGND

HFGND

PGND

SGND

1A
MP

2325

0R

1A
MP

2326

0R

2320

2321

2322

1

2

1

2

100n

100n

47p

47p

47p

H402

H404

F215

F220

1210-2

2

1208-16

1208-1

1208-17

1208-15

1208-7

1208-19

1208-21

1208-20

1208-18

16

1

17

15

7

19

DSA
BUS

21

20

18

1205 F7
1206 D12
1207 E12
1208-1 E13
1208-15 E13
1208-16 D13
1208-17 E13
1208-18 I13
1208-19 H13
1208-20 I13
1208-21 I13
1208-7 G13
1210-1 A13
1210-2 A13

A

1322 G9
2300 B6
2301 B6
2302 C10
2303 C12
2304 E12
2306 E11
2307 E12
2309 G8
2320 H13
2321 I13
2322 I13

B

2325 E13
2326 E13
2327 C11
3300 A4
3302 A5
3303 A5
3304 A4
3305 A5
3306 A5
3307 A5
3308 B7

C

3309 B3
3310 B3
3311 B7
3312 C1
3313 C2
3314 D2
3318 D5
3319 D5
3320 D7
3328 F7
3331 G7
3332 G9

D

3333 G9
3334 G8
3335 H7
3337 I7
3339 I7
3342 C2
3344 E12
3345 E12
3346 B4
3350 F1
3351 C3
3352 C4

E

3353 E4
3354 E5
3355 E5
3356 E5
3357 D9
3358 D9
3359 C10
3360 E11
3999 A13
6201 H9
7005-A F1

F

7005-C G1
7202 C6
7203 D1
7204 C12
H401 A12
H402 A13
H403 B12
H404 B13

G

H

I

12

34

5

78

9101112 136

CL 96532086_018.eps

080999

Electrical and circuit diagrams

CD top

CD MAIN BOARD - TOP VIEW

GB 37CDR775 5.

CL 96532086_019.eps

080999

Electrical and circuit diagrams

CD bottom

CD MAIN BOARD - BOTTOM VIEW

GB 38CDR775 5.

24

23

26

9

10

25

2

5

4

20

6

22

3

18

19

21

13

12

11

14

17

1

7

16

15

8

30

29

27

28

CL 96532086_020.eps

080999

Diagnostic Software

6. Diagnostic Software

GB 39CDR775 6.

6.1 Dealer mode

The purpose of the dealer mode is to prevent people taking out
the CD inside the player at exhibitions, showrooms etc.. This
mode disables the open/close function of the player.
The dealer mode can be switched on and off pressing keys
[OPEN/CLOSE] and [STOP] of the CDR player simultaneously
while switching on the unit. The dealer mode is stored in the
flash memory and can only be changed by executing the above
actions.

6.2 Dealer diagnostics

DEALER DIAGNOSTICS

(status of player)

If power ON,

switch power OFF

Press <REWIND> + <FFWD>

simultaneously and switch

ON unit

6.2.2 Requirements to perform the test

• Working keyboard to start up the test.

• Working local display to check the output messages.

Display blinks

“BUSY”

during test

NO

Set OK?

YES

Set displays

“

PASSED

To end test, switch OFF unit

6.2.1 Description

The intention of the dealer diagnostics is to give an indication
of the CDR player status. An inexperienced, even non­technical dealer will/can perform the test. Tests are executed
automatically without need for external tools or disassembly of
the unit. This test checks the CDR main board using the same
tests as the electrical service diagnostics program. Only the
result of the test, "PASSED" or "ERROR", will be shown on the
display. Pressing keys [F FWD] and [REWIND] simultaneously
while switching on the unit, starts the test. Switching off the unit
ends the test.

”

Figure 6-1

Set displays

“ERROR”

CL96532086-024.eps

090999

GB 40 CDR7756.

6.3 Electrical service diagnostics

ELECTRICAL SERVICE DIAGNOSTICS

(software versions, test for defective components)

If power ON,

switch power OFF

Load CD-DA disc (SBC444A)

Press <PLAY> + <F FWD>

simultaneously and switch ON unit

PLAYER
INFORMATION

Display :

"PLAYER ID"
"SW VERSION BACK END"
"SW VERSION CDR LOADER"

(CDR775

CDR MAIN
BOARD TEST

Display :

PASS OR FAIL

Display :

PASS OR FAIL

Display :

PASS OR FAIL

Display :

PASS OR FAIL

Display :

PASS OR FAIL

Display :

PASS OR FAIL

"SW VERSION CD LOADER"

"DTST1"

DRAM test (7702)

"DTST2"

FLASH CHECKSUM test (7702)

"DTST3"

FLASH ERASE test (7702)

"DTST4"

CODEC test (7702)

"DTST5"

CDR LOADER
COMMUNICATION test

"DTST6"

*

CD LOADER
COMMUNICATION test

* FOR CDR775 ONLY

)

ABORT TEST

ABORT TEST

ABORT TEST

ABORT TEST

ABORT TEST

Diagnostic Software

Press <F FWD>

Press <F FWD>

Press <F FWD>

Press <F FWD>

Press <F FWD>

ABORT TEST

Press <F FWD>

ABORT TEST

Press <F FWD>

LOADER TESTS

CDR LOADER TEST
CD-DA disc must be loaded

Display shows current disc time

Test OK?

YES

CD LOADER TEST *
CD-DA disc must be loaded

Display shows current disc time

Test OK?

YES

DISPLAY TEST

DISPLAY TEST

Display segments blink at f=1kHz

KEYBOARD &
RC TEST

KEYBOARD & RC TEST

Display shows name of pressed keys

Press <F FWD>

NO

Display :
or
or

* FOR CDR775 ONLY

NO

Display :
or
or

"BERR1"
"NO CDDA"
"NO DISC"

Press <F FWD>

"BERR2"
"NO CDDA"
"NO DISC"

Press <F FWD>

Tests OK?

YES

NO

"DERRn"

Display :
n = failed test

Display next
failed test

Figure 6-2

To end test, switch OFF unit

CL 96532086_025.eps

080999

Diagnostic Software

FOCUS TEST

Display shows

“ BUSY”

Visual inspection

TRAY TEST

Visual inspection

Display shows

“ OPENED”

even if tray is blocked

<

OPEN

>

<

CLOSE

>

SLEDGE TEST

Visual inspection

<FWD><REWIND>

MECHANICAL SERVICE DIAGNOSTICS

(test for defective components)

Press <PLAY/PAUSE> + <STOP>

simultaneously and switch

ON unit

If power ON,

switch power OFF

To end test, switch OFF unit

Display shows

“ BUSY”

CL96532086_026.eps

080999

GB 41CDR775 6.

6.3.1 Description

The intention of the electrical service diagnostics is to show the
software versions present in the player and to direct the dealer
towards defective internal units. The units are : the CDR main
board, the CDR loader, the CD loader in case of a CDR775 and
the keyboard/display board. A sequence of tests is executed
automatically. Some of the tests can be aborted or skipped
without the result being taken into account. External tools or
disassembly of the unit is not necessary to get the diagnostic
information. Pressing keys [PLAY/PAUSE] and [F FWD]
simultaneously while switching on the unit, starts the test.
Switching off the unit ends the test.

6.3.2 Requirements to perform the test

• Working keyboard to start up the test.

• Working local display to check the output messages.

• A CD-DA disc with a minimum of 3 tracks in all trays to
perform the disc test.

6.3.3 Description of the tests

Player information

In this part of the test the following important information can be
checked without removing the cover :

• Recorder ID.

• SW-version back end of player.

• SW-version CDR loader.

• SW-version CD loader (only for CDR775).

CDR main board test

[F FWD] key. The message "DERRn" will be displayed with n
indicating the faulty test number.
If one of the tests is aborted with the [F FWD] key, no error
message will be displayed for this test. The flash data erase
test ("DTST3") can not be aborted !
The CDR main board test consists out of :

disc test is executed to check focus control, disc motor control,
radial control and jump grooves control. The disc test is
performed by audio play-back of 5 seconds at the beginning,
middle and end of the disc.

CDR loader test

During the test, the current disc time is shown. In case of an
error the message "BERR1" will be displayed and the [F FWD]
key must be pressed to continue with the following test.
Pressing the [F FWD] key also aborts this test.

CD loader test

For CDR775 only. During the test, the current disc time is
shown. In case of an error the message "BERR2" will be
displayed and the [F FWD] key must be pressed to continue
with the following test. Pressing the [F FWD] key also aborts
this test.

Display test

All segments will blink at a frequency of 1 Hz. Pressing the [F
FWD] key will start the next test because the user has to check
for himself if all segments work properly.

Keyboard and remote control tests

The test will give the user the ability to test every key without
executing the function assigned to it. Therefore, the user needs
to press every key on the keyboard and the remote control. The
display will show the name of the key being pressed. Pressing
more than one key at once will give an unpredictable result
except for the service combinations : [PLAY/PAUSE] + [STOP],
[PLAY/PAUSE] + [F FWD], [F FWD] + [REWIND], [ERASE] +
[RECORD], [PLAY/PAUSE] + [RECORD], [OPEN/CLOSE] +
[PROGRAM].

6.4 Mechanical service diagnostics

DRAM test

Display : "DTST1". The DRAM used for buffer management is
tested by writing, reading and verifying test patterns.

Flash checksum test

Display : "DTST2". This test checks the checksum of the
player's SW stored in the flash.

Flash data erase

Display : "DTST3". During this test, all temporary information
(CDtxt) in the flash is erased.

CODEC (ADC/DAC) test

Display : "DTST4". This test checks the CODEC IC by writing,
reading and verifying test patterns. The test is not applicable for
CDR950.

CDR communication test

Display : "DTST5". The communication between the host
processor (DASP) and the CDR loader via the DSA-R-bus is
tested.

CD communication test

Display : "DTST6"). The communication between the host
processor (DASP) and the CD loader is tested. The test is only
applicable for CDR775.

Loader tests

These tests determine if the CDR loader and the CD loader in
case of a CDR775 work correctly. A CD-DA disc with a
minimum of 3 tracks needs to be inserted in both loaders. A

Figure 6-3

6.4.1 Description

No external tools are required to perform this test. The cover
needs to be removed because the user has to check the
movements of the tray, focus and sledge visually. Pressing
keys [PLAY/PAUSE] and [STOP] simultaneously while
switching on the unit, starts the test. Switching off the unit ends
the test. In case of a CDR775, one can check the CD loader
mechanics in the same way by pressing the above key
combination on the CD player keys.

GB 42 CDR7756.

Diagnostic Software

6.4.2 Requirements to perform the test

• Working keyboard to cycle through the tests and to start up
the test.

• Working local display to check the output messages.

6.4.3 Description of the tests

Focus control test

The focussing lens is continuously moving up and down. The
display reads "BUSY".

Sledge control test

After pressing [F FWD] the sledge continuously moves up and
down. Pressing [REWIND] stops the sledge at the position it is
in and the focus control test resumes. The display reads
"BUSY".

Tray control test

This test starts from within the focus control test routine.
Pressing [OPEN/CLOSE] moves the tray in or out. In the tray
open position one can initiate focus and sledge tests by
pressing [F FWD]. One has to stop these tests pressing
[REWIND] before it is possible to close the tray again.
Depending on the action the display reads "OPEN",
"OPENED", "CLOSE" or "BUSY".

6.5 DC-erase service mode

6.5.1 Description

This test is initiated by pressing [ERASE] and [RECORD]
simultaneously while switching on the unit. The player will
erase a complete CD-RW disc (including PMA and ATIP lead
out area) at speed N=2. The display shows the countdown of
the remaining time required for the operation to complete. The
format is "ER mm:ss", where "mm" are the remaining minutes
and "ss" the remaining seconds. After completion the message
"PASSED" is shown, and the player has to be switched off and
on again to start up in normal operating mode. Switching off the
unit before completion of the test, leaves the disc in an
unpredictable state. In such case only a complete DC-erase
procedure can recover the CD-RW disc.

6.5.2 Requirements to perform the test

• Functional CDR player.

• A CD-RW audio disc must be present in the tray.

DC ERASE SERVICE MODE

(erasement of complete CD-RW)

Load CD-RW disc

<ERASE> + <RECORD>

simultaneously and switch

mm

ss :remaining seconds

TOTAL

illuminated

when the erase function is

Press

ON unit

Display shows:

“

ER mm:ss

:remaining minutes

and

Display shows:

“

PASSED

completed

ERROR

“

if DC ERASE fails

REM

”

are also

”

”

To end test, switch OFF unit

CL96532086_027.eps

Figure 6-4

080999

Faultfinding trees

7. Faultfinding trees

7.1 CDR-Module

NO DISC LOADED

SWITCH ON POWER

GB 43CDR775 7.

STBY LED?

YES

PRESS <DISPLAY>

DISPLAY?

YES

DISPLAY:

"INSERT DISC"

YES

NO

CHECK:

• MAINS, MAINS CABLE

• POWER SUPPLY (SEE FAULT FINDING GUIDE PSU)
⇒

WIRING

⇒

ON/OFF SWITCH

⇒

FUSES

⇒

NO

• DISPLAY (SEE FAULT FINDING GUIDE DISPLAY BOARD)

CHECK:

NO

• WIRING

• POWER SUPPLY VOLTAGES

• ELECTRICAL SERVICE DIAGNOSTICS:

REPLACE CDR MODULE IF
OR

VOLTAGES

⇒

WIRING

⇒

SUPPLY VOLTAGES

⇒

CLOCK SIGNAL 8MHz

⇒

CONTROL SIGNALS

⇒

KEYBOARD

⇒

STANDBY LED

⇒

ELECTRICAL SERVICE DIAGNOSTICS:
DISPLAY TEST, KEYBOARD TEST

"BERRn"

ERROR OCCURS

"DERRn"

PRESS

<OPEN/CLOSE>

TRAY?

YES

INSERT DISC

PRESS <OPEN/CLOSE>

CD-DA DISC

LOADED?

SEE CD-DA DISC

FAULT FINDING

CHECK:

• DISPLAY BOARD (SEE FAULT FINDING GUIDE DISPLAY BOARD)
⇒

NO

• MECHANICAL SERVICE DIAGNOSTICS:

REPLACE CDR MODULE IF ERROR OCCURS

SEE CD-R DISC
FAULT FINDING

WIRING

⇒

SUPPLY VOLTAGES

⇒

CLOCK SIGNAL 8MHz

⇒

CONTROL SIGNALS

⇒

KEYBOARD

⇒

ELECTRICAL SERVICE DIAGNOSTICS:
DISPLAY TEST, KEYBOARD TEST

CD-R DISC

LOADED?

YESYES

NONO

CD-RW DISC

LOADED?

YES

SEE CD-RW DISC

FAULT FINDING

Figure 7-1

CL 96532076_016.eps

290799

GB 44 CDR7757.

CD-DA DISC LOADED

DISC

DETECTION &

READING?

YES

DISPLAY:

“ CD”

&

T.O.C. INFO?

YES

Faultfinding trees

CHECK:

• WIRING

• POWER SUPPLY VOLTAGES

NO

• ELECTRICAL SERVICE DIAGNOSTICS:

REPLACE CDR MODULE IF
OR

"BERRn"

CHECK:

• DISC: DIRT, SCRATCHES, DAMAGED...

NO

• ELECTRICAL SERVICE DIAGNOSTICS:

REPLACE CDR MODULE IF
OR

"BERRn"

ERROR OCCURS

ERROR OCCURS

"DERRn"

"DERRn"

PRESS <PLAY>

ANALOG

AUDIO

OUT?

YES

DISTORTION?

NO

HEADPHONE?

YES

DIGITAL

AUDIO

OUT?

YES

CHECK:

AUDIO CONNECTIONS & CABLES

•

I/O BOARD

•
⇒

FLEX CONNECTION

⇒

+5V (pin 8 conn. 1000)

⇒

NO

• ELECTRICAL SERVICE DIAGNOSTICS:

REPLACE CDR MODULE IF
OR

CHECK:

YES

NO

NO

AUDIO CONNECTIONS & CABLES

•

I/O BOARD

•

• ELECTRICAL SERVICE DIAGNOSTICS:

REPLACE CDR MODULE IF
OR

CHECK:

WIRING OF HEADPHONE/IR BOARD

•

• ELECTRICAL SERVICE DIAGNOSTICS:

REPLACE CDR MODULE IF
OR

CHECK:

AUDIO CONNECTIONS & CABLES

•

I/O BOARD

•

• ELECTRICAL SERVICE DIAGNOSTICS:

REPLACE CDR MODULE IF
OR

KILL VOLTAGE (pin 7 conn. 1000):

-8V DURING PLAY

⇒

KILL TRANSISTORS 7006,7007,7008, 7009

PLAY AUDIO SIGNALS DISC TRACK 15:

⇒

SIGNAL OF 5.4 VPP ON PINS 1 AND 3 OF CONN.
1000

"BERRn"

⇒
⇒

"BERRn"

"BERRn"

⇒
⇒
⇒

"BERRn"

ERROR OCCURS

FLEX CONNECTION
+5V (pin 8 conn. 1000)

ERROR OCCURS

ERROR OCCURS

FLEX CONNECTION
+5V (pin 8 conn. 1000)
DIGITAL OUT TRANSFORMER 5450, IC7005

ERROR OCCURS

"DERRn"

"DERRn"

"DERRn"

"DERRn"

PLAY BACK OF CD-DA

DISCS OK

Figure 7-2

CL 96532076_017.eps

290799

Faultfinding trees

CD-R DISC LOADED

DISC

DETECTION &

READING?

YES

DISPLAY:

“ CD R”

OPC INFO?

&

YES

CHECK:

NO

• WIRING

• POWER SUPPLY VOLTAGES

• ELECTRICAL SERVICE DIAGNOSTICS:

REPLACE CDR MODULE IF
OR

NO

"BERRn"

DISPLAY:

T.O.C. INFO?

YES

“ CD”

&

ERROR OCCURS

"DERRn"

CHECK:

NO

• DISC: DIRT, SCRATCHES, DAMAGED...

• ELECTRICAL SERVICE DIAGNOSTICS:

REPLACE CDR MODULE IF
OR

"BERRn"

ERROR OCCURS

GB 45CDR775 7.

"DERRn"

CD-R DISC PARTIALLY

RECORDED OR EMPTY

START MANUAL

RECORDING FROM

ANALOG SOURCE

LEVEL

ADJUSTABLE?

YES

START RECORDING

FROM DIGITAL

SOURCE

DIGITAL IN?

OPTICAL IN?

YES

FINALISED CD-R DISC

LOADED

SEE CD-DA DISC

FAULT FINDING

CHECK:

AUDIO CONNECTIONS & CABLES

•

NO

• DISPLAY BOARD (SEE FAULT FINDING GUIDE DISPLAY BOARD)

•

• ELECTRICAL SERVICE DIAGNOSTICS:

CHECK:

•

NO

•

• ELECTRICAL SERVICE DIAGNOSTICS:

⇒

EASY JOG KNOB

⇒

I2C COMMUNICATION

⇒

ELECTRICAL SERVICE DIAGNOSTICS:
KEYBOARD TEST

REPLACE CDR MODULE IF
OR

"BERRn"

AUDIO CONNECTIONS & CABLES
I/O BOARD

⇒
⇒
⇒

REPLACE CDR MODULE IF
OR

"BERRn"

ERROR OCCURS

FLEX CONNECTION
+5V (pin 8 conn. 1000)
IC7005, OPTICAL RECEIVER 6000

ERROR OCCURS

"DERRn"

"DERRn"

RECORDING

SUCCESSFUL?

YES

SET OK

NO

CHECK:

• ELECTRICAL SERVICE DIAGNOSTICS:

REPLACE CDR MODULE IF
OR

"BERRn"

ERROR OCCURS

Figure 7-3

"DERRn"

CL 96532076_018.eps

290799

GB 46 CDR7757.

CD-RW DISC LOADED

DISC

DETECTION &

READING?

YES

DISPLAY:

“ CD RW”

OPC INFO?

YES

&

Faultfinding trees

CHECK:

NO

NO

• WIRING

• POWER SUPPLY VOLTAGES

• ELECTRICAL SERVICE DIAGNOSTICS:

REPLACE CDR MODULE IF
OR

"BERRn"

DISPLAY:

“ CD”

T.O.C. INFO?

YES

ERROR OCCURS

NO

&

"DERRn"

CHECK:

• DISC: DIRT, SCRATCHES, DAMAGED...

• ELECTRICAL SERVICE DIAGNOSTICS:

REPLACE CDR MODULE IF
OR

"BERRn"

ERROR OCCURS

"DERRn"

CD-RW DISC PARTIALLY

RECORDED OR EMPTY

START ERASING OF LAST RECORDED TRACK

ERASING

SUCCESSFUL?

YES

SET OK

NO

FINALISED CD-RW DISC

CHECK:

• ELECTRICAL SERVICE DIAGNOSTICS:

•

LOADED

SEE CD-DA DISC

FAULT FINDING

REPLACE CDR MODULE IF
OR

"BERRn"

IF DISC CORRUPTED TRY DC ERASE

ERROR OCCURS

Figure 7-4

"DERRn"

CL 96532076_019.eps

290799

Faultfinding trees

7.2 CD Module

CD MODULE

NO DISC

POWER ON

DISC

DETECTION

STARTS?

YES

DISPLAY?

YES

PRESS

<OPEN/CLOSE>

NO

NO

GB 47CDR775 7.

• CHECK FLEX CONNECTION FROM CDR MAIN BOARD

• POWER SUPPLY
⇒ +5V, +12V AT TESTPOINTS 28 AND 27

⇒ +5V AT CONN. 1000 PINS 1 AND 3
⇒ +5V AT IC7005 PIN 14
⇒ +3V3 AT IC7000 PINS 5,17,21,57, CHECK SAFETY RESISTORS
⇒ +5V AT IC7020 PIN 25
⇒ +10V AT IC7020 PINS 26, 27, 28
⇒ +12V AT IC7021 PIN 5, CHECK SAFETY RESISTOR R3131
⇒ +12V AT IC7022 PIN 5, CHECK SAFETY RESISTOR R3154
⇒ +5V AT IC7025 PIN 16
⇒ +5V AT IC7202 PIN 38, CHECK SAFETY RESISTOR R3308
⇒ +3V3 AT IC7309 PINS 4 AND 13, CHECK SAFETY RESISTORS R3215, R3216
⇒ +12V AT IC7120 PIN 8, CHECK SAFETY RESISTOR R3263

• CLOCKS
⇒ 8.4672MHz AT TESTPOINT 7
⇒ 12MHz AT TESTPOINTS 29 AND 30
⇒ 11.2896 AT TESTPOINT 10
⇒ 2.1168MHz AT TESPOINT 20
⇒ 44.1kHz AT TESTPOINT 21

• DISPLAY
⇒ SEE FAULTFINDING GUIDE DISPLAY BOARD

• MICROPROCESSOR 7202

NO

TRAY?

YES

LOAD DISC

(CD-DA OR PARTIALLY

RECORDED CD-R/CD-RW)

PRESS <OPEN/CLOSE>

NO

TOC?

YES

SEE NEXT PAGE:

PLAYBACK

DIAGNOSTIC SOFTWARE : MECHANICAL SERVICE DIAGNOSTICS CD LOADER : TRAY TEST

⇒ CHECK TRAY MOTOR VOLTAGES
⇒ MICROPROCESSOR 7202
⇒ CHECK TRAY MOTOR DRIVER IC7021
⇒ REPLACE OR REPAIR CD LOADER ASSY:

TRAY MOTOR ASSY 02, BELT 11

•

DIAGNOSTIC SOFTWARE : MECHANICAL SERVICE DIAGNOSTICS CD LOADER :

⇒ CHECK WIRING TO CDM
⇒ CHECK POWER DRIVERS 7021, 7022, 7020
⇒ CHECK VOLTAGES ON POWER DRIVERS (SEE CIRCUIT DIAGRAMS)
⇒ TESTPOINTS 4, 5, 6 : PULSE DENSITY MODULATED SIGNALS

• HF PATH
⇒ TESTPOINTS 1, 2, 3, 9 : EYEPATTERN

⇒

CHECK

CDRW DISC. EYEPATTERN OF CDRW DISC WILL BE AMPLIFIED (≈ X 2.5).
EYEPATTERN OF CDDA DISC WILL BE ATTENUATED(

⇒

CHECK

⇒ TESTPOINTS 20, 21, 22: I2S

• REPLACE OR REPAIR CD LOADER ASSY (CDM MECHANISM)

RW

S1,S2

FOCUS TEST & SLEDGE TEST

AT TESTPOINT 8 : HIGH FOR CDDA AND CDR DISC, LOW FOR

AT TESTPOINTS 25 AND 26 (SEE CIRCUIT DIAGRAMS)

TRAY+, TRAY-

DATA, WCLK, SCLK

≈ X 0.8)

CL 96532086_030.eps

080999

Figure 7-5

GB 48 CDR7757.

Faultfinding trees

CD MODULE PLAYBACK

PRESS <PLAY>

• DAC 7309
⇒ TESTPOINTS 20, 21, 22 : I2S AT INPUT OF DAC 7309

⇒ CHECK POWER SUPPLY PINS 4, 13
⇒ CHECK CLK11 AT PIN 6 : 11.2896MHz
⇒ PIN 11 : MUTE HIGH?
⇒ TESTPOINTS 23, 24 : ANALOG OUTPUT?
⇒ REPLACE DAC 7309

• OPAMP 7120

⇒ TESTPOINTS 23, 24 : ANALOG OUTPUT?
⇒ POWER SUPPLY: PIN 8→12V

⇒ REPLACE OPAMP 7120

AUDIO?

YES

NO

DISTORTION?

NO

AUDIO

CD OUT PCB?

YES

PLAYBACK CD

MODULE OK

YES

NO

• DAC 7309

• OPAMP 7120

• FLEX TO CDR MAINBOARD

• FLEX TO CD OUT BOARD

• CHECK I/O BOARD, CD OUT BOARD

Figure 7-6

CL 96532086_031.eps

080999

Faultfinding Guide

8. Faultfinding Guide

GB 49CDR775 8.

8.1 Display Board

8.1.1 Description of display board

General description

The display board has three major parts : the FTD (Fluorescent
Tube Display), the display controller TMP87C874F and the
keyboard. The display controller is controlled by the DASP
master processor on the CDR main board. The communication
protocol used is I2C. So all the information between DASP and
display controller goes via the SDA or I2C DATA and SCL or
I2C CLK lines. Communication is always initiated by the DASP
on the CDR main board. Unlike the previous generations of
CDR players, the interrupt generated by the display controller
at key-press or reception of remote control is not used. Instead,
the DASP polls the display controller for these events.

BLOCK DIAGRAM

TMP87C874F

64 63 62 61 60 59 58 57 56 55254 53

I/O PORT8 (VFT)

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

I/O PORTD (VFT) I/O PORT9 (VFT)

VKK

I/O PORT0

3

1

DATA MEMORY

TIMER/COUNTER

8 BIT A/D

CONVERT.

651516

I/O PORT7 (VFT)

( RAM )

512X8 BIT

16 BIT

CLOCK/TIMING CONTROLLER

VSS1

RESETN

XOUT

XIN

79819

10

52

PROGR MEMORY

( ROM )

8kX8 BIT

C P U

INTERRUPT

CONTROLLER

( I/O PORT2 )

P22

P21

TEST1

P20

13

141211 17 18 20 21 22

Display controller TMP87C874F

TMP87C874F (IC7104) is a high speed and high performance
8-bit single chip microprocessor, containing 8-bit A/D
conversion inputs and a VFT (Vacuum Fluorescent Tube)
driver. In this application, its functions are :

• slave microprocessor.

• FTD driver.

• generates the square wave for the filament voltage
required for an AC FTD.

• generates the grid and segment scanning for the FTD.

• generates the scanning grid for the key matrix.

• input for remote control.

All the communication runs via the serial bus interface I2C. The
display controller uses an 8MHz resonator as clock driver.

41

42434445464748495051

I/O PORT6 (VFT)

I/O PORT5

I/O PORT4

2

SDA

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

SCK0

PROGRAM

COUNTER

TIMER/COUNTER

INT0

INT1

8 BIT

I/O PORT1

VDD

VAREF

VASS

I C

PORT3

SCL

23 244

PIN DESCRIPTIONS

INT0 external interrupt input 0
INT1 external interrupt input 1
RESETN reset signal input, active low
SCL I2C-bus serial clock input/output
SDA I2C-bus serial data input/output
TEST test pin, tied to low
VAREF analog reference voltage input
VASS analog reference ground
VDD +5V
VKK VFT driver power supply
VSS ground
XIN, XOUT resonator connecting pins for high-frequency clock

Figure 8-1

CL 96532076_028.eps

290799

GB 50 CDR7758.

s
9

Faultfinding Guide

8.1.2 Test instructions

Supply voltages

The display board receives several voltages via connector
1119 (and connector 1121 for CDR570/930).

• VFTD : -38V ±5% measured at pin 2 of conn. 1119.

• VDC1-VDC2 : 3V8

±10

% measured between pin 1 and 3 of

conn. 1119.

•+5V : +5V ±5% measured at pin 10 of conn. 1119 (pin 4 of
conn. 1121 for CDR770).

Voltages VFTD, VDC1 and VDC2 are produced in the power
supply unit and sent to the display board via the CDR main
board. The +5V voltage is produced on the CDR main board as
D5V.

Clock signal

As clock driver for the display controller, a resonator of 8 MHz
(1110) is used. The signal can be measured at pins 8 and 9 of
the display controller : 8 MHz ±5%.

Control signals

RESET

The reset signal comes via pin 4 of conn. 1119 from the DASP
master processor on the CDR main board (SYS_RESET). The
reset is low active. It should be kept low during power up for at
least 3 machine cycles with supply voltage in operating range
and a stable clock signal (1 machine cycle = 12 x 1/Fc (8 MHz)
sec.). During normal operation, the reset should be high (3V3).
The high signal is 3V3 because the DASP operates on 3V3.

I2C DATA/I2C CLK

These lines connect to the DASP master processor via
respectively pin 5 and pin 7 of conn. 1119 (pin 5 of conn. 1119
and pin 1 of conn. 1121 for CDR570/930). When there is no
communication, they should have the high level (+5V). The
oscillogram below gives an indication of how these signals
should look like.

Grid lines

Level and timing of all grid lines, G1-->G15, can be checked
either at the FTD itself or at the display controller. Grid lines
G13, G14 and G15 each have an extra current amplifier in line
: T7203 for G13, T7204 for G14 and T7100 for G15. A typical
grid line signal shows in the oscillogram below.

PM3392A

+4V

0V

38V

CH1!10.0 V= MTB1.00ms ch1+

Figure 8-3 ‘Gridline’

Segment lines

Level and timing of all segment lines, P1-->P21 (P1-->P20 for
CDR770), can be checked either at the FTD itself or at the
display controller. The data on these segment lines however,
depends on the characters displayed. The oscillogram below
shows a segment line with data. A segment line without data
maintains a -38V level.

CL 96532076_024.ep

29079

PM3392A

+5V

I2C DATA

0V

+5V

I2C CLK

0V

CH1!2.00 V=
CH2 2 V= MTB10.0ms ch1+

CL 96532076_025.eps

Figure 8-2 ‘I2C signals’

FTD drive lines

Filament voltage

Should measure 3.8V ±10% (=VDC1-VDC2) between pins 1-2­3 and pins 45-46-47 (pins 1-2 and pins 48-49 for CDR770) of
the FTD (1113).

290799

PM3392A

+5V

0V

-38V

CH1!10.0 V= MTB1.00ms ch1+

CL 96532076_027.eps

Figure 8-4 ‘Segment line’

Key matrix lines

The lines connected to pins 34, 35, 36 and 37 of the display
controller act as matrix scanners. Without a key pressed, they
maintain a low level. As soon as a key is pressed, the scanning
line connected to that key puts out a scanning signal, which
should look like the oscillogram below. This scanning signal
goes via the pressed key to I/O port 4 of the display controller
(pins 28 to 33). The display controller can now determine which
key has been pressed. Without a key pressed, pins 28 to 33 of
the display controller maintain a high level (+5V).

290799

Faultfinding Guide

PM3392A

CH1!2.00 V= MTB20.0ms ch1+

1

+5V

0V

CL 96532076_021.eps

290799

PM3392A

+5V

0V

CH1!2.00 V= MTB5.00ms ch1+

CL 96532076_026.eps

Figure 8-5 ‘Key matrix scan line’

Easy jog knob

Rotary operation

The easy jog knob (1050) incorporates a whole heap of user
control possibilities in just one knob. Without the knob being
operated, pin 1 and 3 of the knob (and thus pin 16 and 17 of the
display controller), maintain the +5V level. Turning the knob
clockwise briefly connects pin 1 to GND followed by pin 3.

290799

GB 51CDR775 8.

The pulses created this way arrive at pin 16 and 17 of the
display controller. The first pulse to arrive tells the controller the
direction of the rotation. Counting the pulses reveals the
amount of rotation. Combining and decoding this information,
the display controller will execute the appropriate task.

Push button operation

This button connects to the key matrix lines and thus the
operation is identical to the ordinary keys. Without being
pressed, pin 4 of the easy jog maintains the low level, pin 5 the
high level. When pressed the scanning signal goes through the
closed contact of pins 4 and 5, and can be checked at both
pins.

IR receiver - remote control

In the CDR570/930 the IR receiver TSOP1736 (6101) is
mounted on the display board. In the CDR770 that same IR
receiver (6200) is mounted on a small board together with the
headphone socket. In the CDR775 the IR receiver (6200) is
mounted on its own small board. In all versions the IR receiver
connects to the display controller. The signal coming from the
receiver can be checked at pin 22 of the display controller. This
signal is normally high (+5V). When the remote control is being
operated, pulses mixed in with the +5V can be measured. The
oscillogram gives an indication of how the signal looks like with
the RC being operated.

PM3392

Pin1
Pin3

CH1 5.00 V=
CH2 5.00 V= MTB20.0ms- 1.92dv ch2-

CL 96532076_023.eps

290799

Figure 8-6 ‘Turn clockwise’

Turning the knob anti-clockwise briefly connects pin 3 to GND
followed by pin 1.

PM3392

Pin1
Pin3

Figure 8-8 ‘IR receiver signal’

Figure 8-7 ‘Turn anti-clockwise’

CH1 5.00 V=
CH2 5.00 V= MTB20.0ms- 1.92dv ch2-

CL 96532076_022.eps

290799

GB 52 CDR7758.

8.1.3 Display board troubleshooting guide

SWITCH POWER ON,

EXIT STAND BY

MODE

Faultfinding Guide

CHECK :

DISPLAY?

YES

KEY

FUNCTIONS?

YES

NO

NO

• SUPPLY VOLTAGES
⇒ -38V ±5% at conn. 1119-2
⇒ 3V8 ± 10% between conn. 1119-1 and 1119-3
⇒ +5V ± 5 % at conn. 1119-10 (1121-4 for CDR570/930)

• CLOCK SIGNAL
⇒ 8Mhz at pins 8, 9 of IC7104

• CONTROL SIGNALS
⇒ RESETN 3V3 (high) at conn.1119-4 after start up
⇒ I2C DATA at conn. 1119-5
⇒ I2C CLK at conn. 1119-7 (1121-1 for CDR570/930)

• FTD DRIVE LINES
⇒ Filament voltage 3V8 ± 10% between pins 1-2-3 and

pins 45-46-47 (pins 1-2 and pins 48-49 for CDR
570/930) of the FTD (1113)

⇒ Grid lines (see test instructions)
⇒ Segment lines (see test instructions)

• ELECTRICAL SERVICE DIAGNOSTICS - Local display test

CHECK:

• KEY MATRIX LINES (see test instructions)

• ELECTRICAL SERVICE DIAGNOSTICS – Keyboard test

• EASY JOG KNOB (see test instructions)

REMOTE

CONTROL?

YES

DISPLAY BOARD

OK

NO

CHECK:

• IR RECEIVER signal at pin 22 of IC7104 (see test instructions)

• ELECTRICAL SERVICE DIAGNOSTICS – Remote control test

Figure 8-9 ‘Display board troubleshooting’

CL 96532076_020.eps

290799

Faultfinding Guide

Rref

R Frequency Standby

Voltage feedback Input

Error Amp Output

R Power Standby
Soft-Start/Dmax/

Voltage Mode

Sync Input

Overvoltage Protection (OVP)

Current Sense Input

Demag. Detection

Foldback Input

107

CT

8 9

6

5

11

12

Output

Gnd

VC

VCC

3

4

2

14

13

15

1 16

CL 96532076_030.eps

290799

GB 53CDR775 8.

8.2 Power Supply Unit 20PS317

8.2.1 Description of PSU 20PS317

MOSFET 7125 is used as a power switch controlled by the
controller IC7110. When the switch is closed, energy is
transferred from mains to the transformer. This energy is
supplied to the load when the switch is opened. Through
control of the switch-on time, the energy transferred in each

Rectifier

6129

Demagnet.

S

RQ

latch

Overvoltage

6102

Mgmt

Buffer

Mgmt

MAINS

7110

Current
Sense
Input

2.5V
Error

Amplifier

Voltage
Feedback

Lightning
Protection

+

-

OSC.
Output

Sense

­+

Soft-Start

Control

EMI

FILTER

Supply Init

Vc

Out

Gnd

2121

7125

6132

Rsense

7

9

cycle is regulated so that the output voltages are independent
of load or input voltage variations. The controlling device
MC44603 is an integrated pulse width modulator. A clock
signal initiates power pulses at a fixed frequency. The
termination of each output pulse occurs when a feedback
signal of the inductor current reaches a threshold set by the
error signal. In this way the error signal actually controls the
peak inductor current on cycle-by-cycle basis.

17

15

11

13

10

14

16

18

6210/6211

6230/6232

6240

6250

6220

2250

2220

2210

2230

7249

2240

7251

6201

7252

7221

5131

2

5

7200

+5V

+12V

-8V

VFTD

VDC2

VDC1

Description of controller MC44603

The MC44603 is an enhanced high performance controller that
is specifically designed for off-line and DC-to-DC converter
applications. This device has the unique ability of automatically
changing operating modes if the converter output is
overloaded, unloaded or shorted. The MC44603 has several
distinguishing features when compared to conventional SMPS
controllers. These features consist of a foldback facility for
overload protection, a standby mode when the converter output
is slightly loaded, a demagnetization detection for reduced
switching stresses on transistor and diodes, and a high current
totem pole output ideally suited for driving a power MOSFET. It
can also be used for driving a bipolar transistor in low power
converters. It is optimised to operate in discontinuous mode but
can also operate in continuous mode. Its advanced design
allows use in current mode or voltage mode control
applications.

REGULATION

Figure 8-10 ‘Blockdiagram PSU 20PS317’

7201

Pin connections

Figure 8-11

GND

GND

CL 96532076_029.eps

290799

GB 54 CDR7758.

Pin function description

Faultfinding Guide

Pin Name Description

1 VCC This pin is the positive supply of the IC. The operating voltage range after start-up is 9.0 to 14.5 V.

2 VC The output high state (VOH) is set by the voltage applied to this pin.

3 Output Peak currents up to 750 mA can be sourced or sunk, suitable for driving either MOSFET or bipolar transistors.

4 Gnd The groundpin is a single return, typically connected back to the power source.

5 Foldback Input The foldback function provides overload protection.

6 Overvoltage

Protection

7 Current Sense

When the overvoltage protection pin receives a voltage greater than 2.5V, the device is disabled and requires a
complete restart sequence.

A voltage proportional to the current flowing into the power switch is connected to this input.

Input

8 Demagnetisation

Detection

A voltage delivered by an auxiliary transformer winding provides to the demagnetisation pin an indication of the
magnetisation state of the flyback transformer. A zero voltage detection corresponds to complete core
saturation.

9 Synchronisation

Input

The synchronisation input pin can be activated with either a negative pulse going from a level between 0.7V and

3.7V to Gnd or a positive pulse going from a level between 0.7V and 3.7V up to a level higher than 3.7V. The
oscillator runs free when Pin 9 is connected to Gnd.

10 C

T

The normal mode oscillator frequency is programmed by the capacitor CT choice together with the Rref
resistance value. CT, connected between Pin 10 and Gnd, generates the oscillator sawtooth.

11 Soft-

Start/Dmax/Volta

A capacitor, resistor or a voltage source connected to this pin limits the switching duty-cycle. This pin can be
used as a voltage mode control input. By connecting Pin 11 to Ground, the MC44603 can be shut down.

ge-Mode

12 RP Standby A voltage level applied to the RP Standby pin determines the output power level at which the oscillator will turn

into the reduced frequency mode of operation (i.e. standby mode). An internal hysteresis comparator allows to
return in the normal mode at a higher output power level.

13 E/A Out The error amplifier output is made available for loop compensation.

14 Voltage

Feedback

This is the inverting input of the Error Amplifier. It can be connected to the switching power supply output
through an optical (or other) feedback loop.

15 RF Standby The reduced frequency or standby frequency programming is made by the RF Standby resistance choice.

16 Rref

Rref sets the internal reference current. The internal reference current ranges from 100µA to 500µA. This
requires that 5.0kΩ ≤ Rref ≤ 25kΩ.

CL 96532076_031.eps

290799

Figure 8-12

Faultfinding Guide

1mA

Vo

0

OUTPUT

t4

short

Icc

0V

17mA

14.5V

7.5V

t1

Vcc

p.a.v.

t2 t3

10V

CL 96532076_035.eps

290799

Block diagram of MC44603

GB 55CDR775 8.

16

Vref Iref

DEMAGNETISATION

8

9

10

15

12

14

13

DETECT

SYNC INPUT

CT

RF STANDBY

RP STANDBY

VOLTAGE
FEEDBACK

E/A OUT

DEMAGNETISATION

MANAGEMENT

Iref

OSCILLATOR

Vstby

STANDBY

(REDUCED FREQUENCY)

2.5V

ERROR
AMP

FOLDBACK

FOLDBACK
INPUT

57 11

VS8 OUT

CURRENT SENSE

INPUT

VOSC PROT

CURRENT
SENSE

VOSC

REFERENCE

BLOCK

=1

Operating description of MC44603

The input voltage Vcc (pin 1) is monitored by a comparator with
hysteresis, enabling the circuit at 14.5V and disabling the
circuit below 7.5V. The error amplifier compares a voltage Vfb
(pin 14) related to the output voltage of the power supply, with
an internal 2.5V reference. The current sense comparator
compares the output of the error amplifier with the switch
current Isense (pin 7) of the power supply. The output of the
current sense comparator resets a latch, which is set every
cycle by the oscillator. The output stage is a totem pole,
capable of driving a MOSFET directly.

Vref

enable

1Set

LATCH

1Reset

THERMAL
SHUTDOWN

Figure 8-13

SUPPLY

INITIALISATION BLOCK

C

Iref

Dmax &
SOFT-START
CONTROL

SOFT-START
& DMAX

UVL01

Vref

UVL01

BUFFER

Vref

OVER
VOLTAGE
MANAGEMENT

CL 96532076_032.eps

1

VC

2

OUT

3

GND

4

Voc

OVER
VOLTAGE
PROTECT

6

290799

Start up sequence of PSU 20PS317

t1: Charging the capacitors at Vcc
C2129 will be charged via R3123 and R3134, C2133 and
C2111 via R3129. The output is switched off during t1.
t2: Charging of output capacitors
When the input voltage of the IC exceeds 14.5V, the circuit is
enabled and starts to produce output pulses. The current
consumption of the circuit increases to about 17mA, depending
on the external loads of the IC. At first, the capacitors at the Vcc
pin will discharge because the primary auxiliary voltage,
coming from winding 7-9 is below the Vcc voltage. At some
moment during t2, the primary auxiliary voltage reaches the
same level as Vcc. This primary auxiliary voltage now
determines the Vcc voltage.
t3: Regulation
The output voltage of the power supply is in regulation.
t4: Overload
When the output is shorted, the supply voltage of the circuit will
decrease and after some time drop below the lower threshold
voltage. At that moment, the output will be disabled and the
process of charging the Vcc capacitors starts again. If the
output is still shorted at the next t2 phase, the complete start­and stop sequence will repeat. The power supply goes in a
hiccup mode.

Figure 8-14 ‘Start-up sequence’

Regulation of PSU 20PS317

Figure 8-14 shows the most relevant signals during the
regulation phase of the power supply.
The oscillator voltage ramps up and down between V1 and V2.
The voltage at the current sense terminal is compared every
cycle with the output of the error amplifier Vcomp. The output

GB 56 CDR7758.

Faultfinding Guide

is switched off when the current sense level exceeds the level
at the output of the error amplifier.
TimeON phase : A drain current will flow from the positive
supply at pin 2 of the transformer through the transformer's
primary winding, the MOSFET and Rsense to ground. As the
positive voltage at pin 2 of the transformer is constant, the
current will increase linearly and create a ramp dependent on
the mains voltage and the inductance of the primary winding. A
certain amount of energy is stored in the transformer in the form
of a magnetic field. The polarity of the voltages at the
secondary windings is opposite to the primary winding so that
the diodes are non-conducting in this phase.
TimeDIODE phase : When the MOSFET is switched off,
energy is no longer supplied to the transformer. The inductance
of the tranformer now tries to maintain the current which has
been flowing through it at a constant level. The polarity of the
voltage from the transformer therefore reverses. This results in
a current flow through the transformer's secondary winding via
the now conducting diodes, electrolytic capacitors and the load.
This current is also ramp shaped but decreasing.
TimeDEAD phase : when the stored energy has been supplied
to the load, the current in the secondary windings stops flowing.
At this point, the drain voltage of the MOSFET will drop to the
voltage of C2121 with a ringing caused by the drain-source
capacitance with the primary inductance.
The oscillator will start a next cycle which consists of the above
described three phases. The time of the different phases
depends on the mains voltage and the load.
TimeDEAD is maximum with an input of 400VDC and a
minimum load. It will be zero with an input of 100VDC and an
overload.

PM3394B

ch1

1

ch3

T

ch2

3

2

ch1 : Drain voltage
ch2 : Drain current
ch3 : Gate voltage

PM3394B

ch1

ch3

1

T

CH1 2
CH2
CH3 2 V~ ALT MTB5.00us- 0.90dv ch1-

CH1 1
CH3 50mV~ ALT MTB5.00us- 0.90dv ch1-

V2

Vosc

V1

0

Vcomp

Vsense

Vgate

Vdrain

Idrain

Idiodes

Ton Tdiode Tdead

CL 96532076_034.eps

290799

3

ch1 : Drain voltage
ch2 : Oscillator voltage

CH1 1
CH3 20mV~ ALT MTB5.00us- 0.90dv ch1-

ch1

ch3

PM3394B

1

T

3

ch1 : Drain voltage
ch3 : Sense voltage

CL 96532076_033.eps

290799

Figure 8-15 ‘Regulation’

Figure 8-16 ‘Oscillograms’

Faultfinding Guide

GB 57CDR775 8.

Circuit description of PSU 20PS317

Input circuit

The input circuit consists of a lightning protection circuit and an
EMI filter.
The lightning protection comprises R3120, gasarrestor 1125
and R3124. The EMI filter is formed by C2120, L5120, C2125
and C2126. It prevents inflow of noise into the mains.

Primary rectifier/smoothing

The AC input is rectified by rectifier bridge 6102 and smoothed
into C2121. The voltage over C2121 is approximately 300V. It
can vary from 100V to 390V.

Start up circuit and Vcc supply

This circuit is formed by R3123, R3134, C2129, D6129, R3129,
R3111, C2133 and C2111.
When the power plug is connected to the mains voltage, the
stabilised voltage over D6129 (24V) will charge C2133 via
R3129. When the voltage reaches 14.5V across C2111, the
control circuit of IC7110 is turned on and the regulation starts.
During regulation, Vcc of IC7110 will be supplied by the
rectified voltage from winding 7-9 via L5132, D6132 and
C2133.

Control circuit

The control circuit exists of IC7110, C2102, C2104, C2107,
C2109, C2110, R3102, R3103, R3104, R3107, R3108, R3109
and R3110. C2102 and R3110 define the frequency of the
oscillator.

Demagnetisation

The auxiliary winding (7-9) voltage is used to detect magnetic
saturation of the transformer core and connected via R3101 to
pin 8 of IC7110. During the demagnetisation phase, the output
will be disabled.

Overvoltage protection circuit

This circuit consist of D6114, C2114, R3115 and R3116.
When the regulation circuit is interrupted due to an error in the
control loop, the regulated output voltage will increase
(overvoltage). This overvoltage is sensed at the auxiliary
winding 7-9.
When an overvoltage longer than 2.0 (s is detected, the output
is disabled until VCC is removed and then re-applied. The
power supply will come in a hiccup mode as long as the error
in the control loop is present.

Secondary rectifier/smoothing circuit

There are 5 rectifier/smoothing circuits on the secondary side.
Each voltage depends on the number of windings of the
transformer.
The -8V supply is regulated by voltage regulator 7249.

On/off circuit

In off mode pin 1 and pin 2 of connector 0206 are connected.
The high voltage (-8V, +12V) over opto coupler 7200 forces this
one to conduct. IC7110 is switched off and thus the output
supply voltages.

Power switch circuit

This circuit comprises MOSFET 7125, Rsense 3126, 3127 and
3128, R3125 , C2127, L5125, R3112 and R3113. R3125 is a
pull-down resistor to remove static charges from the gate of the
MOSFET.

Regulation circuit

The regulation circuit comprises opto-coupler 7200 which
isolates the error signal from the control IC on the primary side
and a reference component 7201. The TL431(7201) can be
represented by two components:
a very stable and accurate reference diode
a high gain amplifier

K

R

2.5V

A

CL 96532076_036.eps

Figure 8-17 ‘TL 431’

290799

TL431 will conduct from cathode to anode when the reference
is higher than the internal reference voltage of about 2.5V. If the
reference voltage is lower, the cathode current is almost zero.
The cathode current flows through the LED of the opto-coupler.
The collector current of the opto-coupler flows through R3106,
producing an error voltage, connected to voltage feedback pin
14 of IC7110.

GB 58 CDR7758.

8.2.2 Troubleshooting PSU 20PS317

Check fuse 1120 and

replace if necessary

Faultfinding Guide

OK

+5V, +12V, -8V, VFTD (-38V),VDC1-VDC2 (3V8)

Disconnect power supply unit from CDR main board

These voltages might be somewhat higher than specified

Turn input voltage up and check voltage across C2121,
this voltage should be

Check DC voltages

NOK

Connect dummy load resistors 10W,

15 ohm at +5V, +12V and ground

Check DC voltages

+5V, +12V, -8V, VFTD, VDC1-VDC2

Check the +5V and +12V

NOK

Connect the mains inlet to a mains

isolated variac

±

1,41 x Vin AC

OK

OK

OK

OK

NOK

Power supply unit OK

Power supply is OK

⇒

Check : - CDR main board

⇒

⇒

⇒
⇒

⇒

- Display assy

- CD main board for CDR 775

Check the path of the other faulty voltage(s)

+5V : check 6210/6211, 2210, 5210, 2213
+12V : check 6230/6232, 2230, 5230, 3230, 6231, 2233

Check the functionality of the following components :

1120, 3120, 2120, 3122, 1125, 3124, 5120, 6102, 2121

OK

Is power supply ticking?

NO

Check Vcc on pin 1 IC7110

Vcc = 12V...... 16V

OK

Power supply OK

8.3 CD Main Board

The CD main board is built around the compact disc
mechanism VAM1250 and a loader 1250. The CDM delivers
diode signals and an unequalised high frequency signal. These
signals are necessary inputs for the decoder CD10. Based on
these signals the decoder will control the disc. The decoder is
able to control the sledge, focus motor, radial motor and turn
table. When everything is "locked", the decoder delivers a
digital output according to IEC958 standard, subcode to the
microprocessor and I2S for reproducing analog audio signals
by means of a D/A converter.

Check :

⇒

YES

⇒
⇒

⇒

⇒

NOK

Figure 8-18

Load on secondary output
Overvoltage protection : 5132, 6114, 2114, 3115, 3116
Oscillator voltage on pin 10 of IC7110 :
check 2102, 3110, replace 7110
Drive circuit : gate voltage of MOSFET 7125,
components 3112, 3113, 2113, 3125
Regulation circuit

- Measure voltage on pin 6 of IC7110 with oscilloscope

- If > 2.5V check the regulation circuit: 7200, 7201,
3201, 3202, 3204, 3205, 3206, 2201, 2202
3104, 3105, 3106, 3109, 2104, 2106, 2109

⇒

Check start circuit and Vcc supply:
3123, 3134, 2129, 6129, 3129, 3111, 2111

⇒

Replace 7110

CL 96532076_037.eps

290799

The microprocessor controls the CD10 and is slave of the
master processor on the CDR main board in the CDR775. Both
processors communicate via a DSA connection (data, strobe
and acknowledge).

Faultfinding Guide

23

19

18

21

20

EFM

DEMODULATOR

MICROCONTROLLER

INTERFACE

CONTROL

PART

V

ref

GENERATOR

V

RIN

ADC

PRE-

PROCESSING

CONTROL
FUNCTION

OUTPUT
STAGES

R1

R2

12

D1 D2 D3 D4

SCL

SDA

FRONT

END

HFIN

HFREF

ISLICE

I

ref

13

7

40

39

2

1

3

6

TEST

TEST1

25

TEST2

31

TEST3

44

TIMING

SELPLL

24

CRIN

16

CROUT

15

CL16

26

CL11/4

49

8910

V

SSA1

V

SSA2

V

DDA1

V

DDA2

V

SSD1VSSD3

V

SSD2

V

DDD1(P)VDDD2(C)

4 14 5 17 33 50 58 52 57

RA

FO

SL

54

55

56

LDON

64

DIGITAL

PLL

SRAM

RAM

ADDRESSER

SUBCODE

PROCESSOR

SBSY

48

SFSY

47

SUB

46

RCK

45

STATUS

43

DECODER

MICRO-

CONTROLLER

INTERFACE

RESET

38

VERSATILE PINS

INTERFACE

KILL

BITSTREAM

DAC

RP

RN

22

LP

LN

V

pos

V

neg

36

SDI

35

WCLI

37

SCLI

SERIAL

DATA

(LOOPBACK)

INTERFACE

30

EF

27

DATA

28

WCLK

29

SCLK

SERIAL

DATA

INTERFACE

PEAK

DETECT

EBU

INTERFACE

AUDIO

PROCESSOR

ERROR

CORRECTOR

FLAGS

MOTOR

CONTROL

51

DOBM

53

CFLG

MOTO1

59

MOTO2

60

V1

V2/V3V4 V5 KILL

63 34 61 62 32

SILD

42

RAB

41

11

CL96532086_051.eps

080999

CDM VAM1250

Trigenta

HF ampl.

Diode signals

Radial, focus

Motor, sledge

CD10
SERVO
DECODER

Figure 8-19

8.3.1 Supply Voltages

Description

The CD main board receives +5V and +12V from the CDR main
board via respectively pin 16 and pin 15 of connector 1208. The
+5V is split up into +5VHF and +5V. The +5VHF is used mainly
for the diode currents and the HF-amplifier. The +5V is used for
the digital part of the board. On the board a +3V3 is made from
the +5V for the decoder CD10 and an A3V3 for the DAC
UDA1320. The +12V is split up into A12V for the audio output
stage and +12V for the power drivers of the CDM.

Measurements

Connect following supplies to next pins :

• +5V + 5% to pin 16 of connector 1208.

• +12V + 5% to pin 15 of connector 1208.

• Ground reference to pin 17 of connector 1208.

Loader assy

PROCESSOR

UDA1320
DAC

DSA

IIS, DOBM

ANA OUT

CL96532086_048.eps

080999

• Connect on pin 2 of position 1208 a clock signal of 8.4672
MHz ( 100ppm minimum rise time of 50ns and at TTL level
(0V and +5V).

• Keep microprocessor 7202 in reset by forcing pin 7 at
position 1208 to +5V.

• Release the reset. Now, the processor will reset the CD10
for at least 75µs.

• The output clock CL11 should be available now at pin 42 of
the CD10.

Check the following frequencies :

Point Frequency

Position 7000 pin 16
Position 7202 pins 14,15
Position 7309 pin 6
Position 7309 pin 1
Position 7309 pin2

8.4672 MHz ± 100ppm
12MHz ± 5%

11.2896 MHz ± 100ppm

2.1168 MHz ± 100ppm

44.1kHz ± 100ppm

Figure 8-21

8.3.3 CD10 Decoder/Servo SAA7324 (7000)

Description

The CD10 is a single chip combining the functions of a CD
decoder, digital servo and bitstream DAC. The decoder/servo
part is based on the CD7. The decoding part supports a full
audio specification and can operate at single speed (n=1) and
double speed (n=2).

Block Diagram

GB 59CDR775 8.

CL96532086_050.eps

080999

Keep microprocessor 7202 in reset by forcing pin 7 of
connector 1208 to +5V. Check the following voltages :

Point Voltage

Position 1000 pins 1,3
Position 7000 pins 5,17,21,57
Position 7005 pin 14
Position 7020 pins 25
Position 7020 pins 26,27,28
Position 7021 pin 5
Position 7022 pin 5
Position 7025 pin 16
Position 7202 pin 38
Position 7309 pins 4,13
Position 7120 pin 8

8.3.2 Clock Signals

+5V ± 5%
+3.3V ± 5%
+5V ± 5%
+5V ± 5%
+10 ± 10%
+12V ±10
+12V ±10
+5V ± 5%
+5V ± 5% ( other appl. 3V3 possible)
+3V3 ± 5%
+12V ± 10

Figure 8-20

CL96532086_049.eps

Description

The microprocessor has its own Xtal or resonator of 12MHz.
The CD10 needs a clock of 8.4672MHz + 100ppm. This speed
also relates to the disc speed. To avoid locking problems
between the two drives in the CDR775, both drives run on the
same clock. Therefore the CD main board gets the clock for the
decoder from the CDR main board via pin 2 of connector 1208.
The DAC needs a system clock to drive its internal digital filters
and to clock the I2S signals from the decoder. In our case this
is 11.2896MHz (CL11) generated by the CD10.

Measurements

• Connect the power supply as described above in "1.1.1.
Supply Voltages".

080999

Figure 8-22

GB 60 CDR7758.

Pin Configuration

Faultfinding Guide

HFREF

HFIN

ISLICE

V

SSA1

V

DDA1

V

V

SSA2

CROUT

CRIN

SSD3

DDD2(C)

SL

V

V5

V1

LDON

62

63

64

1

2

3

4

5

I

6

ref

7

RIN

D1

8

D2

9

D3

10

D4

11

R1

12

R2

13

14

15

16

171819202122232425262728293031

LP

LN

VDDA2

MOTO1

V4

MOTO2

60

61

pos

neg

V

V

V

56

57

58

59

SAA7324

RP

RN

SELPLL

TEST1

FO

55

CL16

DDD1(P)

RA

CFLG

V

52

53

54

DATA

SCLK

WCLK

Figure 8-23

8.3.4 TDA7073A Power Drivers (7021, 7022)

Description

The TDA7073A is a dual power driver circuit for servo systems
with a single supply. In this configuration it is used to drive the
sledge, tray, focus and radial.

Measurements

Keep microprocessor 7202 in reset by forcing pin 7 of
connector 1208 to +5V. Connect the power supply as
described above in "1.1.1. Supply Voltages". Check the
following voltages :

SSD2

DOBM

CL11/4

V

514950

32

EF

KILL

TEST2

CL96532086_052.eps

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

080999

SBSY

SFSY

SUB

RCK

TEST3

STATUS

SILD

RAB

SCL

SDA

RESET

SCLI

SDI

WCLI

V2/V3

V

SSD1

Pin Location Value DC

9 7022 FOC

5.8V ± 10%

12 7022 FOC 5.8V
13 7022 RAD 5.8V
16 7022 RAD 5.8V

9 7021 SLE 5.8V
12 7021 SLE 5.8V
13 7021 TRAY- 5.8V
16 7021 TRAY+ 5.8V

CL96532086_054.eps

Figure 8-25

8.3.5 BA6856FP Turn Table Motor Driver (7020)

Description

This component is a 3 phase, full wave pseudo linear driving
system with inbuilt Hall Bias circuit and 3 phase parallel output.

Measurements

Keep processor 7202 in reset by forcing pin 7 of connector
1208 to +5V. The outputs 9, 10, 11 of connector 1006 are 0V.
Pin 21 of the motor driver 7020 is 2.5V ( 10%.
Pin 22 of the motor driver 7020 is 2.5V ( 10%.
Pin 23 of the motor driver 7020 is 0V.
Pin 19 of the motor driver 7020 is 5V ( 10%.
Put the processor out of reset to continue the measurement.
Check MOT1 at pin 59 of CD10. The duty cycle of the output
should be 50%. Check wave form at pin 11 of 7005-D :
amplitude 5V + 5% duty cycle 50%.
The motor driver 7020 can be measured dynamically by
connecting a hall motor to the application panel. Apply a pulse
of 1V 10Hz and 15% duty cycle to pin 22 (Ec) as input value
with reference to pin 21 (Ecr=2.5V). Measure the output signals
on the driver. This will give as response a square wave on pin
17 and pin 18. When a positive voltage is applied, the square
wave on pin 17 will go ahead of the square wave on pin 18.
All signals will have a value as shown in the truth table. Check
the following output signals :

080999

Pin Location Value

5 7021
5 7022
1 7022
2 7022
6 7022
7 7022
1 7021
2 7021
6 7021
7 7021

12V ± 10%
12V ± 10%

1.65V ± 10%

1.65V ± 10%

1.65V ± 10%

1.65V ± 10%

5.0 ± 10%

5.0 ± 10%

1.65V ± 10%

1.65V ± 10%

CL96532086_053.eps

Figure 8-24

080999

Faultfinding Guide

Motor controller truth table

Input conditions conn 1006 pin Outputs conn 1006 Test points on driver

684 732 9 10 11 18 17 16

U+ U- V+ V- W+ W- UCOIL VCOIL WCOIL HALL_U HALL_V HALL_W

L M H M M M 6V 0V 0V 0V 5V
H M L M M M 0V 6V 6V 5V 0V
M M L M H M 0V 6V 0V 0V 5V
M M H M L M 6V 0V 6V 5V 0V
H M M M L M 0V 0V 6V 5V 0V
L M M M H M 6V 6V 0V 0V 5V

Figure 8-26

CL96532086_055.eps

Hall-elements input signal voltage
levels

Input voltage Level Tolerance Unit

H2.80.1V

M2.50.1V

L2.20.1V

CL96532086_056.eps

080999

GB 61CDR775 8.

080999

8.3.6 Tray Control

Description

The tray control consists of a TDA7073A power driver (7021)
controlled by the processor 7202 via pin 19 TRAYIN and pin 20
TRAYOUT. If pin 20 is low and pin 19 high, the TRAY+ signal
at pin 16 of 7021 is forced to +8V and the TRAY- signal at pin
13 of 7021 to GND : the tray will open. If pin 20 is high and pin
19 low, TRAY+ becomes GND and TRAY- becomes +8V : the
tray will close. If pin 19 and 20 of the processor have the same
value, TRAY+ and TRAY- will have the same value as well : the
tray stops moving.

Measurements

Keep procesor 7202 in reset by forcing pin 7 of connector 1208
to +5V. Connect a load of 15Ω, 7W between pin 3 and 4 of
connector 1002. Check the voltage over the load with TRAY+
(pin 3) as positive reference. Check also the levels of pins 19
and 20 of the processor.
U TRAY+,TRAY- = <100mV
Pin 20 = +5V
Pin 19 = +5V
Force pin 20 of the processor to ground, and check the
voltages.
U TRAY+,TRAY- = -6.5V( 10%
Pin 20 = +0V
Pin 19 = +5V
Force pin 19 of the processor to ground as well and check the
levels again.
U TRAY+,TRAY- = <100mV
Pin 20 = +0V
Pin 19 = +0V
Release pin 20 of the processor and check the levels.
U TRAY+,TRAY- = 6.5V( 10%
Pin 20 = +5V
Pin 19 = +0V
Release pin 19 of the processor and check the levels again:
U TRAY+,TRAY- = <100mV
Pin 20 = +5V
Pin 19 = +5V

Figure 8-27

GB 62 CDR7758.

Faultfinding Guide

8.3.7 HF Path

Description

The pre-amplified HF-signal is presented to both n=1 and n=2
amplifier circuits. The mux/demux switches via software and
micro processor controlled S1 and S2 lines between either one
of the amplified n=1 or n=2 signals. The signal will then follow

n-dependant filtering

+5VHF

PRE AMP
HF

3173

430R

F157

3191

430R

n=1 AMP

3174

430R

2143

330p

2

n=2 AMP

3192

430R

2164

180p

2140

HFGND

2162

HFGND

180p

100p

+5VHF

3188

3203

2K7

7009
BFS20

2K7

HFGND

3169

7023
BFS20

3180

HFGND

2K7

2K7

HFGND

DUAL 4 CHANNEL
MUX/DEMUX

+5VHF

HFGND

2141

2n2

2146

1n5

16

7

8

1

5

2

4

12

14

15

11

74HCT4052D

VCC

VEE

GND

0

1

2

3

+5VHF

HFGND

390p
2149

680p

2130

100n

HF

47u

22n

2160

HFGND

HFGND

HF

7010

BC848B

HFGND

1K

3196

BC858B

4x

2161

7007

HFGND

another amplification and filtering circuit. The filtering again is
controlled by the S1 and S2 lines, dependant on whether the
disc starts up (speed n=1, S1 and S2 Low), disc plays at speed
n=1 (S1 Low, S2 High) or disc plays at speed n=2 (S1 and S2
High).

7025

0
3

3189

10

0

9

1

6

G4

HFGND

3

22n

HFGND

HF

13

F313

390R

F156

9

22n

2137

HFGND

HFIN

3178

2138

1K

S1

S2

HFGND

HFGND

2142

22n

F310

2150

47n

3

7000
SAA7324

F309

1

HFREF

2145

2

3181

22K

F159

3

4

5

HFIN

ISLICE

VSSA1

VDDA1

47p

HF

3193

180R

10K

3205

CL96532086_057.eps

FRONT

END

080999

DC Settings

Set the power and reset connections as described above in
"1.1.1. Supply Voltages". Check the following voltages :

Force Pin Location Measure

Emitter 7006 2.4 ± 10%
S1 and S2 “HIGH” Collector 7010 1.9 ± 10%
S1 and S2 “LOW” Collector 7010 1.9 ± 10%
S1 and S2 “HIGH” 13 7025 1.6 ± 10%
S1 and S2 “LOW” 13 7025 1.6 ± 10%
S1 and S2 “HIGH” 3 7025 3.2 ± 10%
S1 and S2 “LOW” 3 7025 3.2 ± 10%

CL96532086_058.eps

Figure 8-29

Figure 8-28

080999

Faultfinding Guide

MSBMSB

LEFT SAMPLE RIGHT SAMPLE

WS

CLK

DATA

CL96532086_061.eps

080999

GB 63CDR775 8.

Transfer Characteristics

Set the power and reset connections as described above in
"1.1.1. Supply Voltages". Connect a function generator via a
serial resistor of 1k5 to pin 4 of connector 1000. Use the

S1 and S2 “ low” S1 and S2 “ high”Frequencies

Input V

AC

Pin 2 at 7000 Input V

300 Hz 200mV < 100mV ± 20% 200mV < 100mV ± 20%

10 kHz 200mV 295mV ± 20% 200mV 330mV ± 20%
100 kHz 200mV 310 mV ± 20% 200mV 330 mV ± 20%
300 kHz 200mV 385 mV ± 20% 200mV 335 mV ± 20%
800 kHz 200mV 655 mV ± 20% 200mV 485 mV ± 20%

1.5 MHz 200mV 1.1V ± 20% 200mV 760 mV ± 20%
3MHz 200mV 1.1V ± 20% 200mV 1.1V ± 20%

HFDET Setting

Set the power and reset connections as described above in
"1.1.1. Supply Voltages". Connect a function generator via a
serial resistor of 1k5 to pin 4 of connector 1000. Use the

Location Voltage DC Voltage AC

No HF HF

F190 4.8V± 20% 4.8V± 20% 175mV± 20%
F192 < 100mV 1.1V± 20% ­F206 4.9V± 20% 150mV± 20% -

Figure 8-30

function generator as a sine wave generator with output level
of 1Vtt. Check this AC value with an AC mV-meter connected
to the input (pin 2) of the CD10 (7000) :

AC

Pin 2 at 7000

CL96532086_059.eps

080999

function generator as a sine wave generator with output level
of 500 kHz, 1Vtt. Check this AC value with an AC mV-meter :

CL96532086_060.eps

080999

8.3.8 Audio Part - DAC

Description

The DAC used, is the UDA1320 bit stream, continuous
calibration. I2S signals from various formats can be entered at
pins 1,2 and 3. If these signals are in phase with the delivered
system clock at pin 6, the DAC will reproduce analog output
signals at pins 14 and 16. 0dB level is 0.85Vrms. These analog
signals are at 1.65Vdc level.
The DAC has features which can be checked on the input pins.
Mute will switch off the analog signals. De-emphasis is not
used, since this is done in the decoder. Attenuation of -12dB is
not used because this is also done in the decoder.

I2S

I2S is a kind of digital audio format, consisting out of 3 lines :
CLOCK, WORDSELECT and DATA.

WORD-SELECT

Word select (WS) indicates whether the data-sample is from
the left or the right audio-channel. It has the same frequency as
the sample rate of the digital audio signal. This can be 32, 44.1
or 48kHz. Normal polarity is low for a left sample and high for a
right sample. So within the low state of the WS-line the data bits
for the left channel are transferred, and within the high state the
data bits of the right channel are transferred.

Figure 8-31

signal is in phase with the WS-signal. Transition of the WS
always happens on a falling edge of the CLK.

DATA

DATA contains all data-bits. Data bits are set by the
transmitting device, and read by the receiving device. The
position of the DATA-bits within the WS-signal is very
important. There are several formats for this. In our case we
always use Philips I2S format, no Japanese or Sony format.
The number of data-bits per channel depends on the used
devices.

Timing of the I2S-bus, in case of Philips I2S is shown in the
next figure :

Figure 8-32

CLOCK

The CLOCK signal (CLK) indicates when DataTips must be
set, and when DataTips must be read. The frequency depends
on the speed of the I2S-bus, but is always a factor of the

frequency of the WS-signal. It can be 48x, 64x, 96, 128x... .In

our case it is 48x the sample rate frequency = 2.1168MHz. The

GB 64 CDR7758.

Measurements

Faultfinding Guide

IIS

22

DAC AMPLIFIER

CLK11

25

NMUTE

Keep processor 7202 in reset by forcing pin 7 of connector
1208 to +5V. This puts the processor outputs in tristate. Check
the reset at pin 4 of processor 7202 to make sure that the
processor is in reset.
Now, force port 0-4 pin 33 at 7202 to 0V to set the decoder
outputs (SCLK, WCLK, DATA, and CL11).
Check the MUTE pin 11 at 7309 : this pin should be low.
Connect via an I2S generator I2S-signals to the DAC :
Pin 1 at 7309: SLCK.
Pin 2 at 7309: WCLK.
Pin 3 at 7309: DATA.
Connect also the SYSCLK pin 6 at position 7309 to a clock
signal of 11.2896 MHz ( 100ppm.
Generate an I2S signal equivalent with a sine wave of 1kHz at
0dB for both left and right channels.
Check if 0.8 VRMS at pins 14 and 16 at location 7209 with a
DC of 1.65VDC.
Check if 1.7 VRMS ( 2 dB at connector pins 1and 3 at location

1209.
Force MUTE Pin 11 at 7309 high.
Measure again at pins 1 and 3 at location 1209 : both signals
should be at -90 dB.

Figure 8-33

1200 - 17

1200 - 19

CL96532086_062.eps

080999

List of Abbreviations

9. List of Abbreviations

SIGNAL NAME SIGNAL FLOW FUNCTION AND DESCRIPTION
+12V main supply voltage from PSU +12V supply voltage from PSU
+12VA supply voltage +12V supply voltage for Audio part
+5V main supply voltage from PSU +5V supply voltage from PSU
+5VA supply voltage +5V supply voltage for Audio part
+9SRVPWR IC7558 ->- IC7240 PoWeR supply for SeRVo driver IC
12VPWR supply voltage +12V supply voltage for servo part

-8V main supply voltage from PSU -8V supply voltage from PSU

-8VA supply voltage -8V supply voltage for Audio part
A(1:20) IC7701 -> R3818,R3819, R3820, R3821,

R3897 -> IC7703

A(10:20) IC7701 -> R3819, R3820, R3821 ->

IC7702

A1 IC7010 -> IC7270 amplitude of the “land” reflection relative to the average EFM, voltage

A1LF, A2LF CONN1000 -> IC7010 satellite photo diodes A1, A2 current output
A2 IC7010 -> IC7270 amplitude of the “pit” reflection relative to the average EFM, voltage

A-8V supply voltage -8V supply voltage for servo part
AEGER Analog Error signal GEnerator for Recordable
AINTON IC7008 -> IC7010 Alpha INTegrator ON (to AEGER)
ALE IC7270 -> R3213 -> IC7209,

IC7300IC7270 -> R3230
ALPHA0 IC7270 -> IC7010 analog voltage mode output from OPC D/A converter
ALS IC7008 -> IC7010 Alpha Loop Switch (to AEGER)
ASTROBE IC7008 -> IC7010 Alpha STROBE (to AEGER)
ATIP Absolute Time In Pre-groove (sync signal)
ATIPSYNC IC7300 -> IC7270 ATIP SYNC signal
ATT IC7270 -> R3717, R3722IC7270 ->

IC7701
B1LF, B2LF CONN1000 -> IC7010 satellite photo diodes B1, B2 current output
BCLK IC7701 -> R3898A -> IC7300 I2S1 BitCLocK from DASP to CDR60 (playback and record)
BE_RESET IC7701 -> R3261 -> IC7270IC7701 ->

R3716
BIASC IC7008 -> R3056 BIAS Current switch CDRW output
BKPT CONN1819, R3907 -> IC7701 JTAG mode select / debug mode BreaKPoinT
C1LF, .. , C4LF CONN1000 -> IC7010 Central photo diodes C1, C2, C3, C4 current output
CAGAIN R3016,R3115 -> IC7010 set-point laser power on disc, current input
CAHF CONN1000 -> C2374 Central Aperture (central photo diodes) High Frequency current

CALF IC7010 -> IC7270 Central Aperture (central photo diodes) Low-pass Filtered signal (DC

CAS0 IC7701 -> IC7702 Column Address Strobe DRAM for upper byte
CAS1 IC7701 -> IC7702 Column Address Strobe DRAM for lower byte
CDR IC7008 -> IC7355 CDR strategy detected output (active high)
CDR60CFLG IC7300 -> R3382B -> CONN1812 serial output of error corrector status information of the CDR60-

CDR60CL1 IC7300 -> R3382C -> CONN1812 output of CLock signal for testing system clock of IC CDR60 at test

CDR60CS IC7270 -> R3235B -> R3702, IC7300 CDR60 Chip Select, active high
CDR60INT IC7300 -> IC7270 CDR60 INTerrupt line, active low
CDR60LWRT IC7300 -> R3048 CDR60 Laser WRiTe control output

GB 65CDR775 9.

Address lines 1 to 20 between DASP and flash ROM

Address lines 10 to 20 between DASP and DRAM

output, OPC input

output, OPC input

Address Latch Enable; external address latch strobe line, freeze
address when low

ATTenuation request from MACE2 to audio DAC, active low; means
that the output can be attenuated in case of search activities

Basic Engine RESET, active high

output (C1+C2+C3+C4)

coupled EFM signal), voltage output, OPC input

decoder, to be measured at test connector

connector

GB 66 CDR7759.

List of Abbreviations

CDR60MEAS1 IC7300 -> R3382A -> CONN1812 serial output of information about jitter, PLL frequency and

CDR60PLL IC7270 -> R3305 -> IC7300 CDR60 clock multiplier enable, active high
CDRW IC7355D -> IC7355CIC7355D ->

CONN1000
CLK_OUT IC7701 -> R3771 -> CONN1819 system CLocK OUT
CLK_SYS IC7701 -> R3727, R3731 oscillator output
COS- CONN1220 -> IC7225B Hall feedback signal from sledge motor
COS+ CONN1220 -> IC7225B Hall feedback signal from sledge motor
CSFLASH IC7701 -> IC7703 Chip Select for FLASH or boot device
CSRAM IC7270 -> R3235A -> R3703, IC7802 Chip Select SRAM, active low
D(16:31) IC7701 <-> R3822, R3823, R3824,

R3825 <-> IC7703, IC7702
D3V3 supply voltage +3,3V supply voltage for Digital part
D5V supply voltage +5V supply voltage for Digital part
D5VS supply voltage +5V supply voltage for Servo part
DALPHA IC7010 -> R3037 ALPHA error signal for laser power control
DASP Digital Audio Signal Processor
DATAI IC7701 -> R3898C -> IC7300 I2S1 DATA In from DASP to CDR60 (recording)
DATAO IC7300 -> R3314 -> IC7701 I2S1 DATA Out from CDR60 to DASP (playback)
DEEMP IC7270 -> R3719, R3724IC7270 ->

IC7701
DELTAP IC7016 -> R3126 DELTA Power current source drive signal from XDAC
DIG_OUT_C IC7701 -> R3706 -> C2707, CONN1400 Common DIGital OUTput (consumer)
DISPLAY_INT F934 -> R3812, IC7701 DISPLAY INTerrupt
DMON IC7270 -> R3324 power save at stop, active low
DOBM_CD CONN1708, C2731 -> R3757 -> R3903 -

> IC7701
DOBM_CDR IC7300 -> R3382D -> C2379, IC7701 Digital Output (EBU output) from CDR60 to DASP
DRAM_RW IC7701 -> IC7702 Read/Write strobe for DRAM
DSA_ACK_CD IC7701 <-> R3830 <-> R3831 <->

CONN1708IC7701 <-> R3830 <-> C2735
DSA_ACK_CDRIC7701 -> R3729 -> IC7270,

CONN1830IC7701 -> R3729 -> R3769

DSA_DATA_CD IC7701 <-> R3828 <-> R3829 <->

CONN1708IC7701 <-> R3828 <-> C2733
DSA_DATA_CDRIC7270<->R3246 <-> R3813 <-> IC7701,

CONN1830IC7270<->R3246 <-> R3767
DSA_STR_CD IC7701 <-> R3835 <-> R3832 <->

CONN1708IC7701 <-> R3835 <->C2734
DSA_STR_CDRIC7270 -> R3245 -> IC7701,

CONN1830IC7270 -> R3245 -> R3768

DSCLK CONN1819, R3908 -> IC7701 reset in / Debug Serial CLocK in
DSI CONN1819, R3909 -> IC7701 JTAG reset in / Debug Serial clock In
EFM Eight to Fourteen Modulation = modulation method used for CD

EFMCLK IC7300 -> IC7008 EFM CLocK output
EFMDATA IC7300 -> IC7008 EFM DATA output
EFMTIM3 EFM TIMing generator
EPON IC7008 -> R3010IC7008 -> C2010 Erase Power ON
EPONO IC7008 -> R3107 Erase Power ON Open drain output
EPONRC R3004 -> CONN1000 Erase Power ON (after RC circuit)

asymmetry of bit recovery block in CDR60, to be measured at test
connector

inverted CDR-strategy-detected signal

Databus bit 16 to 31 between DASP, flash ROM and DRAM

DE-EMphasis control for audio DAC from MACE2, active high;
means that de-emphasis is needed in digital filter

Digital Output (EBU output) from CD player in CDR775 to DASP

Data/Strobe/Acknowledge serial communication between DASP and
CD-player in CDR775

Data/Strobe/Acknowledge serial communication between MACE2
and DASP for CDR; acknowledge input for MACE2 is strobe output
for DASP

Data/Strobe/Acknowledge serial communication between DASP and
CD-player in CDR775

Data/Strobe/Acknowledge serial communication between MACE2
and DASP for CDR

Data/Strobe/Acknowledge serial communication between DASP and
CD-player in CDR775

Data/Strobe/Acknowledge serial communication between MACE2
and DASP for CDR (strobe output for MACE2 is acknowledge input
for DASP)

storage, also the actual raw CD signal as written or read on or from
the CD disc

List of Abbreviations

ERASEC IC7008 -> R3087 ERASE Current switch CDRW output
ERON IC7008 -> IC 7010 ERror ON (to AEGER)
EXT_DIG_IN1 CONN1400 -> IC7701 EXTernal DIGital INput 1
EXT_DIG_IN2 CONN1702, C2767, C2721 -> R3701 -

EXT_OPT_IN CONN1400, C2722 -> R3708 -> IC7701 EXTernal OPTical INput
F_READY IC7703 -> R3817 -> IC7701CONN1701 -

F_RW IC7701 -> IC7708B Read/Write strobe for Flash ROM
FEN IC7010 -> IC7270 Focus Error Normalized current output
FOC- IC7240 -> CONN1000 FOCus actuator drive signal negative connection
FOC+ IC7240 -> CONN1000 FOCus actuator drive signal positive connection
FS30V D6500 -> CONN1000 Forward Sense diode 30V power supply
FSA CONN1000 -> T7119, T7120 Forward Sense photo diode current output
FSCLR IC7008 -> IC7126 Forward Sense signals CLeaR switch
FSOF IC7008 -> R3052 Forward Sense photo diode sampling OFf
FSON IC7008 -> R3051 Forward Sense photo diode sampling ON
FSR R3040 -> IC7270 Forward Sense signal while Reading for read control loop
FSRS IC7008 -> IC7126D Forward Sense photo diode Read Sampling
FSW R3050 -> IC7270 Forward Sense signal while Writing for write control loop
FSWS IC7008 -> IC7126C Forward Sense photo diode Write Sampling
FWEN IC7270 -> IC7208, R3806 Flash EPROM Write ENable
HALL_U,

HALL_V,
HALL_W

HFS0 IC7270 -> R3249 -> IC7360 select HF circuit
I2C Inter IC
I2C_CLK IC7701, R3711 -> R3715 -> C2709 ->

I2C_DATA IC7701, R3712 <-> R3713 <-> C2708,

I2CL R3248B -> IC7207, R3247C I2C CLock line
I2CSCL IC7207 -> IC7008IC7207 ->

I2CSDA IC7207 <-> IC7008IC7207 <->

I2DA R3248A <-> IC7270,R3247D I2C DAta line
I2S_BCLK_AI IC7701 -> R3814 -> IC7406 I2S4 Bit CLocK for CODEC (ADC for CDR950) Analog Input (record

I2S_BCLK_AO IC7701 -> R3894A -> IC7406 I2S2 Bit CLocK for CODEC (DAC for CDR950) Analog Output
I2S_BCLK_CD CONN1708, C2739 -> R3834 -> IC7701 I2S3 Bit CLocK from CD player (record n=2) (CDR775 only)
I2S_BCLK_MIC CONN1708, C2739 -> R3834 -> IC7701 I2S3 Bit CLocK from MICrophone (CDR950 only)
I2S_DATA_AI IC7406 -> IC7701 I2S4 DATA from CODEC (ADC for CDR950) Analog Input (record

I2S_DATA_AO IC7701 -> R3894C -> IC7406 I2S2 DATA for CODEC (DAC for CDR950) Analog Output
I2S_DATA_CD CONN1708, C2738 -> R3836 -> IC7701 I2S3 DATA from CD player (record n=2) (CDR775 only)
I2S_DATA_MIC CONN1708, C2738 -> R3836 -> IC7701 I2S3 DATA from MICrophone (CDR950 only)
I2S_WS_AI IC7701 -> R3743 -> IC7406 I2S4 Word CLocK for CODEC (ADC for CDR950) Analog Input

I2S_WS_AO IC7701 -> R3894B -> IC7406 I2S2 Word CLocK for CODEC (DAC for CDR950) Analog Output
I2S_WS_CD CONN1708, C2740 -> R3833 -> IC7701 I2S3 Word CLocK from CD player (record n=2) (CDR775 only)
I2S_WS_MIC CONN1708, C2740 -> R3833 -> IC7701 I2S3 Word CLocK from MICrophone (CDR950 only)
I2S1_MS IC7270 -> R3910, IC7701 I2S1 Master-Slave interrupt from MACE2
IE T7121 -> CONN1000 laser Erase drive current signal

>IC7701

> IC7701

IC7330 -> IC7300, CONN1812 HALL feedback signals from turn table motor via hall motor driver

F934IC7701, R3711 -> IC7801

R3714 <-> F934IC7701, R3712 <->
IC7801

IC7010IC7207 -> R3248B

IC7010IC7207 <-> R3248A

EXTernal DIGital INput 2 (CDR950 only)

Flash READY detection, this line is forced low as long as the flash is
busy with erase or program algorithm

I2C CLocK line used for display slave processor and digital potmeter

I2C DATA line used for display slave processor and digital potmeter

I2C Serial CLock line

I2C Serial DAta line

from analog source)

from analog source)

(record from analog source)

GB 67CDR775 9.

GB 68 CDR7759.

List of Abbreviations

INT_COPY_ANAIC7701 -> R3721 -> IC7401IC7701 ->

R3721 -> R3410
IR T7135 -> CONN1000T7135 ->

R3056T7135 -> IC7008
IW T7122 -> CONN1000T7122 -> D6003 laser Write drive current signal
KEY_PRESSEDIC7706B -> R3816 -> IC7701 KEY PRESSED interrupt

KILL T7560, T7561, R3560 -> CONN1400,

R3424, R3428
KILL_OUT IC7701 -> R3532 disables the KILL activity from the PSU; 1 = no kill,0 = kill active
L12V supply voltage +12V supply voltage for servo/Laser part
L3_CLK IC7701 -> R3725 -> IC7406 L3 interface CLocK line / control CODEC (not for CDR950)
L3_DATA IC7701 <-> R3728 <-> IC7406 L3 interface DATA line with CODEC (not for CDR950)
L3_MODE IC7701 -> R3735 -> IC7406 L3 interface MODE line selects data or address transfer mode for

L5V supply voltage +5V supply voltage for servo/Laser part
L-5V supply voltage -5V supply voltage for servo/Laser part
LASCK IC7270 <-> R3248D ClocK line DAC LASer control
LASDACCK R3248D <-> IC7016 ClocK line DAC LASer control
LASDACDI R3248C <-> IC7016 Data line DAC LASer control
LASDACLD R3212 <-> IC7016 LoaD line DAC LASer control
LASDD IC7270 <-> R3248C Data line DAC LASer control
LASLD IC7270 <-> R3238 <-> R3212IC7270 <->

R3232
LEFT CONN1708, C2743 -> IC7401C,

IC7407C
LLP IC7270 -> IC7300 Laser Low Power (active high), switches the laser from write to read

LWRT R3048 -> IC7008 Laser WRiTe control input
MA(16:17) IC7270 <-> IC7208 bank switch higher address lines
MA(8:15) IC7270 <-> IC7802 <-> IC7208 address bus high byte
MACE2 Mini All Cd Engine (minus decoder + OPC + PCS + extra RAM)
MAD(0:7) IC7270 <-> IC7209 <-> IC7802 <->

IC7208 <-> IC7300
MIRN IC7010 -> IC7270 MIRror Normalized (disc reflection) current output
MOTO1 IC7300 -> IC7355A turn table MOTOr control output
MRDN IC7270 -> R3276 -> R3242A, IC7802,

IC7300
MUTE IC7270 -> R3718, R3723IC7270 ->

IC7701
MWRN IC7270 -> R3280 -> R3242B, IC7802,

IC7300
NMUTE IC7701 -> R3726, IC7406 MUTE output, low active
OFFTRACK IC7270 -> IC7300 OFFTRACK detection flag
OPC Optimum Power Calibration
P12VKILL supply voltage +12V supply voltage for KILL-circuit
PCS Position Control Sledge
PCSCOS IC7225B, C2229 -> IC7270, CONN1812 Position Control Sledge COS feedback signal
PCSSIN IC7225A, C2227 -> IC7270, CONN1812 Position Control Sledge SIN feedback signal
PDAR Photo Diode Amplifier Recordable
PERASE R3036, R3031, R3030, R3029, R3028,

R3027, R3020 -> IC7002C, R3043,

T7113
POWER_UP IC7270 -> R3243C,R3556, R3538 standby pin, high level activates essential powers necessary for full

PPN IC7010 -> IC7050C Push-Pull signal, Normalized, balanced, voltage output

select INTernal COPY ANAlog (in case of copy protected disc or track
on CD drive) (CDR775 only)

laser Read drive current signal

KILL signal from power supply part to audio outputs

CODEC (not for CDR950)

LoaD line DAC LASer control

audio output LEFT channel from CD-player in CDR775

power whenever the device tends to go offtrack

bi-directional data bus / address bus low byte

Master ReaD, read strobe for external peripherals, active low

MUTE control from MACE2 to DASP, active low

Master WRite, write strobe for external peripherals, active low

laser Power switch for ERASE

function; overrules HI_POWER setting

List of Abbreviations

PRCOARSE IC7016 -> R3057 drive signal from Power Read COARSE DAC for read current source
PRFINE IC7016 -> R3058 drive signal from Power Read FINE DAC for read current source
PROF_EBU IC7701 -> CONN1820 PROFessional digital output (CDR950 only)
PSENn IC7270 -> R3260 -> IC7208IC7270 ->

PW R3081 -> IC7008 Write Power signal to OPC input of MACE2
PWB IC7001C -> IC7016 drive signal to XDAC<->s for write and erase current sources and

PWD IC7016 -> IC7002BIC7016 -> IC7002C drive signal from XDAC for write and erase current sources
PWMAX IC7016 -> R3073 PW MAXimum signal from DAC used for determining set point for

PWMIN IC7016 -> R3072 PW MINimum signal from DAC used for determining set point for

PWRITE R3035, R3026, R3025, R3024, R3023,

RAD- IC7240 -> CONN1000 Radial actuator drive signal negative connection
RAD+ IC7240 -> CONN1000 Radial actuator drive signal positive connection
RAS0 IC7701 -> IC7702 Row Address Strobe DRAM
RCK IC7300 -> R3319 -> IC7701 EIAJ subcode clock from CDR60 to DASP (CD text interface)
RDGAIN1 IC7008 -> R3054 forward sense ReaD GAIN switch 1
RDGAIN2 IC7008 -> C2027 forward sense ReaD GAIN switch 2
RDGAIN3 IC7008 -> C2060 forward sense ReaD GAIN switch 3
RE IC7010 -> IC7215A Radial Error signal for fast track counting, voltage output
RECORDING IC7008 -> IC7010IC7008 ->

REN IC7010 -> IC7270 Radial Error Normalized current output
RIGHT CONN1708, C2742 -> IC7401A, IC7407A audio output RIGHT channel from CD-player in CDR775
RXD_TOOL CONN1818 -> IC7701 Receive of UART for test TOOL
S1V65 Referenve Voltage 1.65V delivered by IC7215B for Servo part
S2V9 Reference Voltage 2.9V delivered by IC7010 for Servo part
SEL_HP_OUT IC7701 -> R3720 -> IC7407 SELect HeadPhone OUTput in DJ-mode (for CDR775 only)
SFSY IC7701 -> R3756 -> IC7300 EIAJ subcode synchronisation from DASP to CDR60 (CD text

SIN- CONN1220 -> IC7225A Hall feedback signal from sledge motor
SIN+ CONN1220 -> IC7225A Hall feedback signal from sledge motor
SL- IC7240 -> R3265 -> CONN1220 SLedge motor drive signal negative connection
SL+ IC7240 -> CONN1220 SLedge motor drive signal positive connection
SRSTN IC7270 -> R3243B, IC7300 Slave ReSeT out (CDR60 reset), active low
STANDBY IC7270 -> R3807 -> R3887 -> IC7701 STANDBY pin, high level activates essential powers necessary for

SUB IC7701 -> R3710 -> IC7300 EIAJ subcode data from DASP to CDR60 (CD text interface)
SYS_CLK_11W IC7701 -> R3732 -> IC7406 11.2896 MHz SYStem CLocK for AD/DA datapath
SYS_CLK_16W IC7701 -> R3894D-> IC7706A 16.9344 MHz SYStem CLocK for producing SYS_CLK_BE
SYS_CLK_8W IC7706A -> R3815 -> CONN1708 SYstem CLocK CD player (8.4672 MHz) (CDR775 only)
SYS_CLK_BE IC7706A -> R3826 -> IC7270 SYstem CLocK Basic Engine (8.4672 MHz)
SYS_RESET IC7701 -> R3758 -> CONNF934IC7701 -

TCK CONN1819 -> R3906, IC7701 JTAG ClocK signal
TDSO IC7701 -> CONN1819 JTAG Serial Data Out / debug data out
TERMB IC7270 <-> CONN1818 UART connection with MACE
TLN IC7010 -> IC7270 Track Loss Normalized current output
TR- IC7240 -> CONN1200 TRay motor drive signal negative connection
TR+ IC7240 -> CONN1200 TRay motor drive signal positive connection

GB 69CDR775 9.

Program Store ENable; external ROM output enable line, active low

R3231

VCAGAIN

laser power during writing

laser power during writing

laser Power switch for WRITE
R3022, R3021 -> IC7002B, R3044,
T7124

RECORDING output (active high)
CONN1000IC7008 -> IC7355C

interface)

full function; overrules HI_POWER setting

SYStem RESET to display assy (and CD player for CDR775)
> R3770 -> T7707 -> CONN1708

GB 70 CDR7759.

TRACE99_RXD CONN1818 -> R3838, IC7701 TRACE99 test tool receive data
TRACE99_TXD IC7701 -> CONN1818 TRACE99 test tool transmit data
TRAYIN IC7270 -> IC7240 move TRAY IN line, active low
TRAYOUT IC7270 -> IC7240 move TRAY OUT line, active low

List of Abbreviations

TRAYSW CONN1200 -> R3747CONN1200 ->

R3748
TRAYSWF R3748, C2214 -> IC7270 Filtered TRAY SWitch signal, low is completely out or in
TXD_TOOL IC7701 -> CONN1818 Transmit of UART for test TOOL
U+, U-, V+, V-,

W+, W­UCOIL, VCOIL,

WCOIL
VCAGAIN IC7016 -> IC7005A set-point laser power on disc, voltage output
VDC1 CONN1500 -> CONNF934 supply voltage for display assy
VDC2 CONN1500 -> CONNF934 supply voltage for display assy
VFO IC7270 -> R3295 -> R3244 FOcus actuator drive output
VFTD CONN1500 -> CONNF934 Voltage Fluorescent Tube Display (display assy)
VRA IC7270 -> R3297 -> R3254 RAdial actuator drive output
VSL IC7270 -> R3299 -> IC7240 SLedge actuator drive output
WCLK IC7701 -> R3898B -> IC7300 I2S1 WordCLocK from DASP to CDR60 (playback and record)
WOBBLE IC7050C -> IC7300 analog WOBBLE signal of pre-groove detected by PPN-signal
WPON IC7008 -> R3009IC7008 -> C2009 Write Power ON
WPONO IC7008 -> R3106 Write Power ON Open drain output
WPONRC R3003 -> CONN1000 Write Power ON (after RC circuit)
XDAC multiplying DAC

CONN1330 -> IC7330 hall feedback signals from turn table motor to hall motor driver

IC7330 -> CONN1330 drive signals for turn table motor

TRAY SWitch signal from loader assy

Spare parts list

10. Spare parts list

GB 71CDR775 10.

Mechanical Parts List 775

Cabinet Parts

3104 129 52531 COMPLETE CDR775

0001 3104 127 08720 FRONT ASSY COMPLETE

0003 3104 127 08710 KEY UNIT MIDDLE ASSY

0009 4822 410 11962 POWER BUTTON BLACK
0014 4822 459 10887 WORDMARK PLATE
0015 4822 454 13339 CDRW LOGO PLATE,

0051 3104 124 05700 EASY JOG KNOB CDR775
0052 4822 492 51374 SPRING (RING)
0053 3104 124 05620 TRANSPARENT FRAME

0054 3104 124 05620 TRANSPARENT FRAME

0076 3104 144 05730 SUSPENSION
0077 3104 144 05730 SUSPENSION
0078 3104 144 05730 SUSPENSION
0079 3104 144 05730 SUSPENSION
0131 3104 147 13300 CD LOADER VAL 1250
0165 4822 442 01506 COVER
0251 4822 462 42159 FOOT SILVER
0252 4822 462 42159 FOOT SILVER
0253 4822 462 42158 FOOT BLACK
0254 4822 462 42158 FOOT BLACK
0301 4822 321 10249 SBC1201 MAINS CABLE
0309 3104 125 22870 USER MANUAL CDR775/

0312 4822 321 62401 AUDIO CABLE
0313 4822 321 62401 AUDIO CABLE
0317 4822 321 61452 DIG OUT CABLE
0318 3139 228 82010 REMOTE CONTROL

1003 3122 427 21570 PSU CDR-3 SINGLE

8001 3104 157 11240 CWAS FLEX 1MM 14 100

8005 3104 157 11230 CWAS FLEX 1MM 22 320

8007 3104 157 11320 CWAS FLEX 1.25MM 7 300

MODULE

CDR775

CDR775

NAME

BUTTON

BUTTON

776/00 WEU

RC282921/01

RANGE EURO

32S

32S

32S

CD Loader VAL1250

0001 3104 147 14100 CHASSIS ASSY LOADER

0002 4822 361 11131 TRAY MOTOR ASSY
0003 4822 492 11709 MOTOR SPRING
0004 4822 277 11838 SWITCH
0006 4822 532 13097 TULE
0010 4822 528 11295 PULLEY WHEEL
0011 4822 358 10266 BELT, DRIVING
0012 4822 522 10739 RACK GEAR WHEEL
0013 4822 535 10588 PIN, PLASTIC
0014 4822 522 10741 TRAY GEAR WHEEL
0015 4822 535 10588 PIN, PLASTIC
0016 4822 402 11221 RACK
0017 4822 492 11711 RACK SPRING
0020 4822 466 12131 CUSHION RUBBER
0021 4822 466 12131 CUSHION RUBBER
0022 4822 466 12131 CUSHION RUBBER
0023 4822 466 12131 CUSHION RUBBER
0030 9305 022 25001 CDM VAM 1250
0035 3104 144 02030 SUSPENSION
0036 3104 144 02030 SUSPENSION
0037 3104 144 02030 SUSPENSION
0038 3104 144 02030 SUSPENSION
0040 3104 144 05870 SUB-CHASIS
0042 4822 492 11709 MOTOR SPRING
0043 4822 418 10421 TRAY HORIZONTAL
0045 3104 147 13910 CLAMPER ASSY VAL 1250
8001 3104 148 01310 LED ASSY 4P

VAL 1250

Display Board Assy 775

Miscellaneous

0003 3104 124 05710 FTD HOLDER
1050 2422 129 16314 ROT.ENCODER + SWITCH
1101 4822 276 13114 SWITCH, PUSH BUTTON
1102 4822 276 13114 SWITCH, PUSH BUTTON
1103 4822 276 13114 SWITCH, PUSH BUTTON
1104 4822 276 13114 SWITCH, PUSH BUTTON
1105 4822 276 13114 SWITCH, PUSH BUTTON
1106 4822 276 13114 SWITCH, PUSH BUTTON
1107 4822 276 13114 SWITCH, PUSH BUTTON
1108 4822 276 13114 SWITCH, PUSH BUTTON
1109 4822 276 13114 SWITCH, PUSH BUTTON
1110 2422 540 98423 RES CER 8MHz CSTS*MHz

1111 4822 276 13114 SWITCH, PUSH BUTTON
1112 4822 276 13114 SWITCH, PUSH BUTTON
1113 2722 171 07174 VFD 15-BT-60GNK 106*40

1114 4822 276 13114 SWITCH, PUSH BUTTON
1115 4822 276 13114 SWITCH, PUSH BUTTON
1116 4822 276 13114 SWITCH, PUSH BUTTON
1117 4822 276 13114 SWITCH, PUSH BUTTON
1118 4822 276 13114 SWITCH, PUSH BUTTON
1120 4822 276 13114 SWITCH, PUSH BUTTON
1125 4822 276 13114 SWITCH, PUSH BUTTON
1126 4822 276 13114 SWITCH, PUSH BUTTON
1127 4822 276 13114 SWITCH, PUSH BUTTON
1128 4822 276 13114 SWITCH, PUSH BUTTON
1130 4822 276 13441 SWITCH TACT LED
1131 4822 276 13441 SWITCH TACT LED
1301 4822 276 14007 SWI PUSH 2P 0.1A 12V
1401 4822 267 31453 SWITCH, PUSH BUTTON
1500 4822 267 31729 CON BM CINCH H 1P F
1501 4822 265 11406 CON BM CINCH V 2P F

1502 4822 265 30987 BMT 7SR>CBL0,3-1,25

g

2100 4822 126 14585 100nF 10% 50V
2101 4822 126 14585 100nF 10% 50V
2102 5322 122 32654 22nF 10% 63V
2104 5322 122 32658 22pF 5% 50V
2106 5322 122 32658 22pF 5% 50V
2111 4822 126 14585 100nF 10% 50V
2400 5322 122 31647 1nF 10% 63V
2401 5322 122 31647 1nF 10% 63V
2500 4822 124 11947 10µF 20% 16V
2501 4822 126 12105 50V 33nF PM5
2502 4822 126 12105 50V 33nF PM5
2503 4822 122 33575 220pF 5% 63V CASE
2504 4822 122 33575 220pF 5% 63V CASE

f

3100 4822 051 20472 4k7 5% 0.1W
3101 4822 051 20472 4k7 5% 0.1W
3102 4822 051 20472 4k7 5% 0.1W
3103 4822 051 20472 4k7 5% 0.1W
3104 4822 051 20472 4k7 5% 0.1W
3105 4822 051 20472 4k7 5% 0.1W
3106 4822 117 11149 82k 1% 0.1W
3107 4822 051 20472 4k7 5% 0.1W
3108 4822 051 20101 100Ω 5% 0.1W
3109 4822 051 20561 560Ω 5% 0.1W
3111 4822 051 20101 100Ω 5% 0.1W
3112 4822 051 20393 39k 5% 0.1W
3113 4822 117 10833 10k 1% 0.1W
3114 4822 117 10833 10k 1% 0.1W
3115 4822 051 20561 560Ω 5% 0.1W
3116 4822 051 20561 560Ω 5% 0.1W
3122 4822 117 11149 82k 1% 0.1W
3124 4822 117 11149 82k 1% 0.1W
3125 4822 051 20332 3k3 5% 0.1W
3500 4822 117 12521 68Ω 1% 0.1W
3501 4822 117 11448 180Ω 1% 0.1W
3502 4822 117 11449 2k2 1% 0.1W
3503 4822 117 11448 180Ω 1% 0.1W
3504 4822 117 11449 2k2 1% 0.1W
4xxx 4822 051 10008 0Ω 5% 0.25W (1206)

03

(FTB0)B

WHRD B

4xxx 4822 051 20008 0Ω 5% 0.25W (0805)

b

5500 4822 157 70601 100µH (920927085A)

d

6100 4822 130 11411 BZX284-C3V3
6200 4822 212 30842 TSOP1736SB1
6300 4822 130 82978 LTL-16KPE-P

ce

7100 4822 130 60511 BC847B
7104 3104 123 94761 ROM TMP87CH74
7203 4822 130 60511 BC847B
7204 4822 130 60511 BC847B
7500 4822 130 60511 BC847B
7501 4822 130 60511 BC847B

CD Main Board

Miscellaneous

1000 2422 025 11704 CON BM H 16P F 1.00 FFC

1004 2422 543 00896 RES XTL SM 8M4672 30P

1006 4822 267 51454 CONN. 11P FEMALE
1205 5322 242 73686 CST12,00MTW-TF01

4822 252 51173 19398E1(1,000A)

1206

h

4822 252 51173 19398E1(1,000A)

1207

h

1208 4822 267 60409 CONN 22P FEMALE
1209 4822 265 30987 BMT 7SR>CBL0,3-1,25
1210 2422 025 11704 CON BM H 16P F 1.00 FFC

g

2100 4822 126 14585 100nF 10% 50V
2102 4822 126 14585 100nF 10% 50V
2103 5322 122 31647 1nF 10% 63V
2104 4822 126 14585 100nF 10% 50V
2105 4822 124 81286 47µF 20% 16V
2106 4822 126 14585 100nF 10% 50V
2107 4822 124 81286 47µF 20% 16V
2109 5322 122 32654 22nF 10% 63V
2110 4822 126 14585 100nF 10% 50V
2111 4822 126 14585 100nF 10% 50V
2112 4822 126 14585 100nF 10% 50V
2113 4822 126 14585 100nF 10% 50V
2114 4822 126 14585 100nF 10% 50V
2115 4822 126 14585 100nF 10% 50V
2116 4822 124 41796 22µF 20% 16V
2117 5322 122 32654 22nF 10% 63V
2118 4822 126 14585 100nF 10% 50V
2119 4822 126 14585 100nF 10% 50V
2120 4822 124 41796 22µF 20% 16V
2121 4822 126 14585 100nF 10% 50V
2122 4822 126 12104 12nF 5% 50V
2123 5322 122 31863 63V 330pF PM5
2124 4822 126 14585 100nF 10% 50V
2125 4822 124 81286 47µF 20% 16V
2126 5322 122 34098 10nF 10% 63V
2127 5322 122 31863 63V 330pF PM5
2128 4822 124 80483 47µF 20% 6.3V
2130 4822 126 14305 100nF 10% 16V 0603
2131 4822 126 14585 100nF 10% 50V
2132 4822 124 80483 47µF 20% 6.3V
2133 4822 126 13482 470nF 80/20% 16V
2134 4822 126 14305 100nF 10% 16V 0603
2135 4822 124 41796 22µF 20% 16V
2137 4822 126 14494 22nF 10% 25V 0603
2138 4822 126 14494 22nF 10% 25V 0603
2139 4822 126 14305 100nF 10% 16V 0603
2140 4822 126 14508 180pF 5% 50V 0603
2141 4822 126 14238 0603 50V 2N2 COL R
2142 5322 122 32654 22nF 10% 63V
2143 4822 126 14241 0603 50V 330P COL R
2145 4822 126 13692 47pF 1% 63V
2146 4822 126 14247 0603 50V 1N5 COL R

0.3 R

CX-5F R

0.3 R

GB 72 CDR77510.

Spare parts list

2147 4822 126 13482 470nF 80/20% 16V
2148 4822 124 22726 4.7µF 35V
2149 3198 016 36810 0603 25V 680P COL R
2150 4822 126 12105 50V 33nF PM5
2151 5322 124 11919 47µF 20% 6.3V
2152 4822 126 14305 100nF 10% 16V 0603
2153 4822 122 33777 47pF 5% 63V
2154 4822 124 81286 47µF 20% 16V
2155 4822 126 14585 100nF 10% 50V
2156 5322 124 11919 47µF 20% 6.3V
2157 4822 126 14305 100nF 10% 16V 0603
2158 4822 122 33777 47pF 5% 63V
2159 3198 017 34730 0603 16V 47nF COL
2160 4822 126 14494 22nF 10% 25V 0603
2161 5322 124 11919 47µF 20% 6.3V
2162 4822 122 31765 100pF 2% 63V
2163 4822 126 14549 33nF 16V O6O3
2164 4822 126 14508 180pF 5% 50V 0603
2165 4822 122 33777 47pF 5% 63V
2166 3198 017 34730 0603 16V 47nF COL
2167 4822 126 14585 100nF 10% 50V
2168 4822 126 13883 220pF 5% 50V
2169 5322 126 10794 220pF 5% 63V
2170 5322 126 10794 220pF 5% 63V
2171 5322 126 10794 220pF 5% 63V
2172 5322 126 10794 220pF 5% 63V
2173 5322 126 10794 220pF 5% 63V
2174 4822 126 14494 22nF 10% 25V 0603
2175 4822 124 81286 47µF 20% 16V
2176 4822 122 33777 47pF 5% 63V
2178 4822 126 14585 100nF 10% 50V
2180 4822 124 41796 22µF 20% 16V
2181 4822 124 41796 22µF 20% 16V
2184 4822 126 14225 56pF 5% 50V 0603
2185 4822 126 14225 56pF 5% 50V 0603
2186 4822 124 81286 47µF 20% 16V
2187 4822 126 14585 100nF 10% 50V
2188 4822 126 14305 100nF 10% 16V 0603
2189 4822 126 14585 100nF 10% 50V
2191 4822 124 81286 47µF 20% 16V
2197 4822 124 81286 47µF 20% 16V
2199 4822 126 13692 47pF 1% 63V
2200 4822 126 14249 560pF 10% 50V CASE0603
2201 4822 126 14247 0603 50V 1N5 COL R
2202 5322 122 32531 100pF 5% 50V
2203 4822 124 22726 4.7µF 35V
2204 4822 126 14585 100nF 10% 50V
2208 4822 124 81286 47µF 20% 16V
2211 4822 126 13692 47pF 1% 63V
2214 5322 122 32531 100pF 5% 50V
2216 4822 126 14305 100nF 10% 16V 0603
2217 4822 122 33777 47pF 5% 63V
2218 4822 126 13692 47pF 1% 63V
2220 4822 126 14585 100nF 10% 50V
2230 5322 126 10223 4.7nF 10% 63V
2232 4822 126 14305 100nF 10% 16V 0603
2233 5322 122 31865 1.5nF 10% 63V
2234 4822 124 12362 47µF 4V 20%
2235 4822 124 12362 47µF 4V 20%
2252 5322 122 31647 1nF 10% 63V
2280 4822 126 14585 100nF 10% 50V
2285 5322 122 31865 1.5nF 10% 63V
2286 5322 122 31865 1.5nF 10% 63V
2300 4822 126 14305 100nF 10% 16V 0603
2301 4822 124 81286 47µF 20% 16V
2302 4822 124 11947 10µF 20% 16V
2303 4822 126 14305 100nF 10% 16V 0603
2304 4822 124 40196 220µF 20% 16V
2306 4822 126 12102 330nF 10% 16V
2307 4822 124 40207 100µF 20% 25V
2320 4822 122 33777 47pF 5% 63V
2321 4822 122 33777 47pF 5% 63V
2322 4822 122 33777 47pF 5% 63V
2325 4822 126 14305 100nF 10% 16V 0603
2326 4822 126 14305 100nF 10% 16V 0603
2327 4822 126 14305 100nF 10% 16V 0603

f

3100 4822 051 20223 22k 5% 0.1W
3101 4822 051 20223 22k 5% 0.1W
3102 4822 051 20479 47Ω 5% 0.1W
3103 4822 117 10834 47k 1% 0.1W
3104 3198 021 90031 0Ω JMP 0603
3105 3198 021 90031 0Ω JMP 0603
3106 3198 021 90031 0Ω JMP 0603
3107 3198 021 90031 0Ω JMP 0603
3113 4822 051 10102 1k 2% 0.25W
3114 4822 051 20822 8k2 5% 0.1W
3115 4822 051 20472 4k7 5% 0.1W

3116 4822 117 10834 47k 1% 0.1W
3117 4822 051 20479 47Ω 5% 0.1W
3130 4822 117 10833 10k 1% 0.1W

4822 117 11151 1Ω 5%

3131

h

3132 4822 051 20223 22k 5% 0.1W
3134 4822 051 20108 1Ω 5% 0.1W
3135 4822 051 20108 1Ω 5% 0.1W
3136 4822 051 20122 1k2 5% 0.1W
3137 4822 117 11504 270Ω 1% 0.1W
3138 4822 117 11504 270Ω 1% 0.1W
3139 4822 117 10833 10k 1% 0.1W
3140 4822 051 20008 0Ω jumper . (0805)
3141 4822 051 20008 0Ω jumper . (0805)
3142 4822 117 11504 270Ω 1% 0.1W
3143 4822 117 10834 47k 1% 0.1W
3144 4822 117 10834 47k 1% 0.1W
3145 4822 117 11504 270Ω 1% 0.1W
3146 4822 117 10837 100k 1% 0.1W
3148 4822 051 20008 0Ω jumper . (0805)
3149 4822 051 10102 1k 2% 0.25W
3150 4822 117 11383 12k 1% 0.1W
3151 4822 117 11383 12k 1% 0.1W
3152 4822 051 20008 0Ω jumper . (0805)
3153 4822 051 30101 100Ω 5% 0.062W

4822 117 11151 1Ω 5%

3154

h

3155 4822 051 20008 0Ω jumper . (0805)
3156 4822 117 11383 12k 1% 0.1W
3157 4822 117 11383 12k 1% 0.1W
3158 4822 051 20122 1k2 5% 0.1W
3159 4822 051 20008 0Ω jumper . (0805)
3160 4822 117 10833 10k 1% 0.1W

4822 117 11748 2Ω2 1206 5% FUSE

3161

h

4822 117 11748 2Ω2 1206 5% FUSE

3162

h

3164 4822 051 20479 47Ω 5% 0.1W
3168 4822 051 20101 100Ω 5% 0.1W
3169 4822 051 30272 2k7 5% 0.062W
3171 4822 051 30103 10k 5% 0.062W
3172 4822 051 20101 100Ω 5% 0.1W
3173 4822 117 11452 430Ω 1% 0.1W
3174 4822 117 11452 430Ω 1% 0.1W
3176 4822 051 20101 100Ω 5% 0.1W

4822 117 11151 1Ω 5%

3177

h

3178 4822 051 30102 1k 5% 0.062W
3179 4822 051 30102 1k 5% 0.062W
3180 4822 051 30272 2k7 5% 0.062W
3181 4822 051 20223 22k 5% 0.1W
3182 4822 051 30391 390Ω 5% 0.062W
3183 4822 051 30103 10k 5% 0.062W

4822 117 11748 2Ω2 1206 5% FUSE

3184

h

3185 4822 051 30472 4k7 5% 0.062W
3186 4822 051 30472 4k7 5% 0.062W
3187 4822 051 30391 390Ω 5% 0.062W
3188 4822 051 30272 2k7 5% 0.062W
3189 4822 051 30391 390Ω 5% 0.062W
3190 4822 117 11456 30k 1% 0.1W
3191 4822 117 11452 430Ω 1% 0.1W
3192 4822 117 11452 430Ω 1% 0.1W
3193 4822 051 30181 180Ω 5% 0.062W
3194 4822 051 20008 0Ω jumper . (0805)
3195 4822 051 20008 0Ω jumper . (0805)
3196 4822 051 30102 1k 5% 0.062W
3197 4822 117 10833 10k 1% 0.1W
3198 4822 051 30479 47Ω 5% 0.062W
3199 4822 051 30152 1k5 5% 0.062W
3200 4822 117 10833 10k 1% 0.1W
3201 4822 117 11817 1k2 1% 1/16W
3202 4822 051 30223 22k 5% 0.062W
3203 4822 051 30272 2k7 5% 0.062W
3204 4822 051 20008 0Ω jumper . (0805)
3205 4822 051 30103 10k 5% 0.062W
3206 4822 051 30008 0Ω jumper
3208 4822 117 13608 4.7Ω 5% 0603 0.0016W
3212 4822 051 30105 1M 5% 0.062W
3214 4822 051 20008 0Ω jumper . (0805)

4822 117 11748 2Ω2 1206 5% FUSE

3215

h

4822 117 11152 4Ω7 5%

3216

h

3217 4822 117 10833 10k 1% 0.1W
3218 4822 051 10102 1k 2% 0.25W
3219 4822 117 13509 4X47Ω 5% 1206 NETWORK
3220 4822 051 30103 10k 5% 0.062W

4822 117 11748 2Ω2 1206 5% FUSE

3225

h

3226 4822 117 10833 10k 1% 0.1W
3229

4822 117 11748 2Ω2 1206 5% FUSE

h

3233 4822 117 10354 22k 1% 0.1W
3235 4822 051 30008 0Ω jumper
3236 4822 051 20008 0Ω jumper . (0805)
3237 4822 051 20008 0Ω jumper . (0805)
3241 4822 117 10354 22k 1% 0.1W
3242 4822 117 10833 10k 1% 0.1W
3243 4822 117 10834 47k 1% 0.1W
3245 4822 117 10834 47k 1% 0.1W

3248 4822 117 10354 22k 1% 0.1W
3254 4822 117 10354 22k 1% 0.1W
3256 4822 117 10833 10k 1% 0.1W
3258 4822 117 10834 47k 1% 0.1W
3260 4822 117 10834 47k 1% 0.1W

4822 117 11748 2Ω2 1206 5% FUSE

3263

h

3265 4822 117 10837 100k 1% 0.1W
3266 4822 051 10102 1k 2% 0.25W
3267 4822 051 30102 1k 5% 0.062W
3268 4822 117 10837 100k 1% 0.1W
3269 4822 051 20101 100Ω 5% 0.1W
3270 4822 117 10833 10k 1% 0.1W
3271 4822 051 20101 100Ω 5% 0.1W
3273 4822 051 20101 100Ω 5% 0.1W
3274 4822 051 20101 100Ω 5% 0.1W
3275 4822 051 20101 100Ω 5% 0.1W
3276 4822 051 20101 100Ω 5% 0.1W
3277 4822 051 20101 100Ω 5% 0.1W
3278 4822 051 20008 0Ω jumper . (0805)

4822 117 11151 1Ω 5%

3279

h

3280 4822 117 10833 10k 1% 0.1W
3282 4822 051 30103 10k 5% 0.062W
3283 4822 117 10833 10k 1% 0.1W
3284 4822 051 30008 0Ω jumper
3285 4822 051 30472 4k7 5% 0.062W
3286 4822 051 30154 150k 5% 0.062W
3287 4822 117 12925 47k 1% 0.063W 0603
3300 4822 051 30103 10k 5% 0.062W
3302 4822 051 30103 10k 5% 0.062W
3303 4822 051 30103 10k 5% 0.062W
3304 4822 051 30103 10k 5% 0.062W
3305 4822 051 30103 10k 5% 0.062W
3306 4822 051 30103 10k 5% 0.062W
3307 4822 051 30103 10k 5% 0.062W

4822 117 11748 2Ω2 1206 5% FUSE

3308

h

3310 4822 051 10102 1k 2% 0.25W
3312 4822 051 10102 1k 2% 0.25W
3313 4822 117 10833 10k 1% 0.1W
3314 4822 117 10833 10k 1% 0.1W
3318 4822 051 20101 100Ω 5% 0.1W
3319 4822 051 20101 100Ω 5% 0.1W
3320 4822 051 20101 100Ω 5% 0.1W
3328 4822 051 20105 1M 5% 0.1W
3331 4822 051 20101 100Ω 5% 0.1W
3333 4822 051 30101 100Ω 5% 0.062W
3335 4822 051 30103 10k 5% 0.062W
3337 4822 051 30103 10k 5% 0.062W
3339 4822 051 30103 10k 5% 0.062W
3342 4822 117 10833 10k 1% 0.1W
3350 4822 051 10102 1k 2% 0.25W
3352 4822 051 20008 0Ω jumper . (0805)
3353 4822 051 20101 100Ω 5% 0.1W
3354 4822 051 20101 100Ω 5% 0.1W
3355 4822 051 20101 100Ω 5% 0.1W
3356 4822 051 20101 100Ω 5% 0.1W
3357 4822 051 20008 0Ω jumper . (0805)
3359 4822 051 20008 0Ω jumper . (0805)
3360 4822 051 20008 0Ω jumper . (0805)
3361 4822 051 20101 100Ω 5% 0.1W

d

6000 4822 130 11382 BYG50D
6001 4822 130 11382 BYG50D
6002 4822 130 11382 BYG50D
6003 4822 130 83757 BAS216

ce

7000 4822 209 17285 SAA7324H
7005 9337 143 50653 74HCT08
7006 5322 130 42718 BFS20
7007 4822 130 60373 BC856B
7008 5322 130 42718 BFS20
7009 5322 130 42718 BFS20
7010 4822 130 60511 BC847B
7011 5322 130 42718 BFS20
7019 4822 130 60373 BC856B
7020 4822 209 16877 BA6856FP
7021 4822 209 32852 TDA7073A/N2
7022 4822 209 32852 TDA7073A/N2
7023 5322 130 42718 BFS20
7025 9337 153 10118 IC SM 74HCT4052D (PHSE)

7120 4822 209 30095 LM833D
7130 4822 130 60511 BC847B
7131 4822 130 60373 BC856B
7132 4822 130 60511 BC847B
7203 4822 130 60511 BC847B
7204 4822 209 17398 LD1117DT33

R

Spare parts list

GB 73CDR775 10.

7301 4822 130 60511 BC847B
7309 4822 209 17237 UDA1320ATS
7310 4822 130 60511 BC847B

I/O Board

Miscellaneous

1000 2422 025 16289 CON 14P PRINTCON.
1001 4822 267 31448 CINCH 2P
1002 4822 265 11151 CINCH 4P

g

2016 5322 122 32654 22nF 10% 63V
2017 5322 122 32654 22nF 10% 63V
2018 5322 122 32654 22nF 10% 63V
2019 4822 124 40248 10µF 20% 63V
2020 5322 122 32654 22nF 10% 63V
2022 4822 126 12105 50V 33nF PM5
2023 5322 122 32654 22nF 10% 63V
2024 5322 122 32654 22nF 10% 63V
2025 5322 122 33538 150pF 2% 63V
2026 5322 122 32531 100pF 5% 50V
2027 5322 122 32531 100pF 5% 50V
2028 5322 122 32659 33pF 5% 50V
2029 5322 122 32659 33pF 5% 50V
2030 5322 122 32659 33pF 5% 50V

f

3020 4822 117 12521 68Ω 1% 0.1W
3021 4822 051 20332 3k3 5% 0.1W
3022 4822 117 11152 4Ω7 5%
3024 4822 051 20332 3k3 5% 0.1W
3026 4822 051 20332 3k3 5% 0.1W
3027 4822 051 20332 3k3 5% 0.1W

4822 117 11152 4Ω7 5%

3028

h

3029 4822 117 11927 75Ω 1% 0.1W
3032 4822 117 11373 100Ω 1% RC12H 0805
3033 4822 117 11373 100Ω 1% RC12H 0805
3034 4822 117 11449 2k2 1% 0.1W
3035 4822 117 11449 2k2 1% 0.1W
3036 4822 117 11373 100Ω 1% RC12H 0805
3037 4822 117 11373 100Ω 1% RC12H 0805
3038 4822 117 11449 2k2 1% 0.1W
3039 4822 117 11449 2k2 1% 0.1W

b

5001 4822 157 70601 100µH (920927085A)
5002

4822 157 71206 BLM21A601SPT

h

d

6000 4822 218 11487 GP1F32R

ce

7005 5322 209 11517 PC74HCU04T
7006 4822 130 60511 BC847B
7007 4822 130 60511 BC847B
7008 4822 130 60511 BC847B
7009 4822 130 60511 BC847B

Power Supply Unit 20PS317

Miscellaneous

0006 4822 492 63524 SPRING FIX. TRANSISTOR
0101

4822 265 31015 CONNECTOR, MAINS

h

4822 070 32002 FUSE 218002.(2A)

1120

h

1121 3122 358 72141 FUSE HOLDER CLICK
1125 4822 252 60151 SURGE PROTECT DSP-

INLET

501N-A21F

2104 5322 126 10223 4.7nF 10% 63V
2109 5322 122 31865 1.5nF 10% 63V
2110 4822 124 22652 2.2µF 20% 50V
2111 4822 126 14585 100nF 10% 50V
2113 4822 122 33127 2.2nF 10% 63V
2114 4822 126 14585 100nF 10% 50V
2125 4822 121 51598 2.2nF 5% 400V
2126 4822 121 51598 2.2nF 5% 400V
2127 4822 126 14496 470pF 10% 1KV
2129 4822 124 23057 4.7µF 20% 50V
2131h4822 126 14497 2.2nF 20% 250V
2133 4822 124 12062 100µF 20% 25V
2201 4822 126 14585 100nF 10% 50V
2202 5322 122 32654 22nF 10% 63V
2210 4822 124 12282 2200µF 20% YK 10V
2220 4822 124 40849 330µF 20% 16V
2221 4822 126 13751 47nF 10% 63V
2222 4822 124 12283 100µF 20% MS7 6.3V
2230 4822 124 81144 1000µF 16V
2240 4822 124 81144 1000µF 16V
2242 4822 124 41584 100µF 20% 10V
2250 4822 124 40248 10µF 20% 63V
2252 4822 124 11769 220µF 20% 50V
2260 4822 122 31175 1nF 10% 500V

f

3101 4822 116 52304 82k 5% 0.5W
3102 4822 051 20223 22k 5% 0.1W
3103 4822 051 20472 4k7 5% 0.1W
3104 4822 116 83933 15k 1% 0.1W
3105 4822 116 83933 15k 1% 0.1W
3106 4822 051 20102 1k 5% 0.1W
3107 4822 051 20184 180k 5% 0.1W
3108 4822 117 10965 18k 1% 0.1W
3109 4822 117 13577 330Ω 1% RC12H 0805

3110 4822 117 10833 10k 1% 0.1W
3111 4822 051 20229 22Ω 5% 0.1W
3112 4822 051 20101 100Ω 5% 0.1W
3113 4822 051 20159 15Ω 5% 0.1W
3115 4822 116 52232 910Ω 5% 0.5W
3116 4822 117 11448 180Ω 1% 0.1W

2122 550 00147 VDR DC 1mA/423V

3120

h

3123 4822 050 21803 18k 1% 0.6W
3124 4822 116 83872 220Ω 5% 0.5W
3125 4822 050 21002 1k 1% 0.6W
3126 4822 116 80176 1Ω 5% 0.5W
3127 4822 116 80676 1Ω5 5% 0.5W
3128 4822 116 80676 1Ω5 5% 0.5W
3129 4822 050 21003 10k 1% 0.6W
3134 4822 050 21803 18k 1% 0.6W
3201 4822 116 52176 10Ω 5% 0.5W
3202 4822 050 13302 3k3 1% 0.4W
3203 4822 116 52175 100Ω 5% 0.5W
3204 4822 051 20182 1k8 5% 0.1W
3205 4822 117 10353 150Ω 1% 0.1W
3206 4822 117 11143 3k 1% 0.1W
3221 4822 051 20471 470Ω 5% 0.1W
3222 4822 051 20241 240Ω 5%
3230 4822 050 21002 1k 1% 0.6W
3231 4822 117 10833 10k 1% 0.1W
3232 4822 051 20113 11k 5% 0.1W
3233 4822 117 10833 10k 1% 0.1W
3234 4822 117 10833 10k 1% 0.1W

1.25W

b

5120h4822 157 11846 FILTER, MAINS
5125 4822 157 11411 100mH z
5132 4822 157 51462 10µH 10% 4X9.8MM

5210 4822 157 11722 6.8µH 20% 7.7X9.5
5220 4822 157 51462 10µH 10% 4X9.8MM

5225 4822 157 53139 4.7µH
5226 4822 157 53139 4.7µH
5230 4822 157 50963 2.2µH
5240 4822 157 51462 10µH 10% 4X9.8MM

5250 4822 157 51462 10µH 10% 4X9.8MM

5255 4822 157 51195 1 µH 20% 4X9.8MM AXIAL

LAL04T100K

LAL04T100K

LAL04T100K

LAL04T100K

6114 4822 130 42488 BYD33D
6129 5322 130 80122 BZX84-C24
6132 4822 130 42488 BYD33D
6220 4822 130 42488 BYD33D
6231 4822 130 31603 1N4006
6232 4822 130 11584 BYW98-200-C1
6240 4822 130 42488 BYD33D
6250 4822 130 42606 BYD33J

ce

7110 4822 209 15684 MC44603AP
7125 4822 130 63787 STP4NA60FI

4822 130 91451 CQY80NG

7200

h

7201 4822 209 16944 KA431AZ
7221 4822 209 80591 LM317T
7249 4822 209 82112 MC7908CT
7251 5322 130 60159 BC846B
7252 4822 130 60373 BC856B

g

2101 4822 126 13695 82pF 1% 63V
2102 5322 126 10184 820P 5% 50V 3
2103 5322 122 32268 470pF 10% 50V

d

6102 4822 130 83707 SINB80
6106 4822 130 42606 BYD33J
6107 4822 130 42606 BYD33J