Philips CDR 785, Service Manual, Page: 1 / 67

chapter
Technical Specification and Measurement setup................1-1, 1-2
Location of printed circuit boards ............................................1-3
Warnings & Safety ..................................................................2-1
Brief Operating Instructions ..............................................3-1 to 3-15
Dismantling Instructions.....................................................4-1 to 4-5
Service hints ......................................................................5-1 to 5-3
Service Test Program ........................................................5-4 to 5-6
BLOCK DIAGRAMS ..........................................................6-1 to 6-5
WIRING DIAGRAM.................................................................6-6
POWER BOARD (for orientation only) ..............................7-1 to 7-4
FRONT BOARD.................................................................7-5 to 7-6
KEY BOARD left .....................................................................7-7
KEY BOARD right ...................................................................7-8
chapter
HEADPHONE/MICROPHONE BOARD ...........................7-9 to 7-10
INTERFACE BOARD......................................................7-11 to 7-13
3CDC MODULE................................................................8-1 to 8-9
EXPLODED VIEWS
apparatus ..........................................................................10-1
3CDC module ...............................................................8-8 to 8-9
MECHANICAL PARTSLIST see Exploded views
ELECTRICAL PARTSLIST...................................................10-2 ff
CDR785
/00/01C/17
Published by MS 0012 Service Audio Printed in The Netherlands Subject to modification
©
3103 785 25030
Compact Disc Recorder
CD TEXT EDITING
CD 1
CD 2
CD 3
CDR
AUX
CD CD
COMPILE CD
RECORD
JOG CONTROL
NO
YES
REC TYPE
ERASE FINALIZE
REC LEVEL BALANCE TEXT
PROG TRACK EDIT
OPEN/CLOSE
OPEN/CLOSE
MIC
PHONES
ON/OFF
REPEAT CD TEXT
SHUFFLE DISPLAY
CD-CHANGE
AUDIO CD RECORDER
CDR 785
CD RECORDER
AUTO LEVEL CONTROL
CD 1
CD 2
CD 3
CDR
AUX
CD CD
COMPILE CD
RECORD
JOG CONTROL
NO
YES
REC TYPE
ERASE
FINALIZE
REC LEVEL BALANCE TEXT
PROG TRACK EDIT
OPEN/CLOSE
OPEN/CLOSE
MIC
PHONES
ON/OFF
REPEAT CD TEXT
SHUFFLE DISPLAY
CD-CHANGE
AUDIO CD RECORDER CDR 785
CD RECORDER
AUTO LEVEL CONTROL
TEXT TOTAL TRACK TIME TOTAL
REM
STEP
DIGITAL
CDRW
CDRW
COMPILE DISC ALL PROGRAM
RECORD IN PROGRESS
SHUFFLE REPEAT TRACK EDIT
REC TRACK TIME
1
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17 18 19 20 +
12
OPTICAL 12
ANALOG
FINALIZE ALC
TEXT TOTAL TRACK TIME TOTAL
REM
STEP
DIGITAL
CDRW
CDRW
COMPILE DISC ALL PROGRAM
RECORD IN PROGRESS
SHUFFLE REPEAT TRACK EDIT
REC TRACK TIME
1
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17 18 19 20 +
12
OPTICAL 12
ANALOG
FINALIZE ALC
TEXT TOTAL TRACK TIME TOTAL
REM
STEP
DIGITAL
CDRW
CDRW
COMPILE DISC ALL PROGRAM
RECORD IN PROGRESS
SHUFFLE REPEAT TRACK EDIT
REC TRACK TIME
1 2
3 4 5 6 7 8 9 10 11 12 13 14 15 16
17 18 19 20 +
12
OPTICAL
12
ANALOG
FINALIZE ALC
1
2
3
4
5
6
7
8
9
0
SP
AC
E
U
VW
M
N
DE
F
TR
AC
K IN
CR
.
PR
O G
RA
M
XY
Z
O
PQ
G
HI
CD
TE
XT
CD
3
CD
R
CD
2
CD
1
RE
PE
AT
SH
U FF
LE
N
O
YE
S
TE
XT
E
DIT
RS
T
JK
L
AB
C
BR
IG HT
N
ES
S
1
2
3
4
5
6
7
8
9
0
SP
AC
E
U
VW
M N
DE
F
TR AC
K IN
CR
.
PR
O
G
RA
M
XY
Z
O
PQ
G
HI
CD
T EX
T
CD
3
CD
R
CD
2
CD
1
RE
PE
AT
SH
U
FF
LE
N
O
YE
S
TE
XT
E
DIT
RS
T
JK
L
AB
C
BR
IG HT
N
ES
S
STOP STOP PLAY/PAUSE PLAY/PAUSE
CLASS 1
LASER PRODUCT
©
Copyright 2000 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.
CDR786
/00
TABLE OF CONTENTS
SERVICING
For servicing CDR785/CDR786, the sets can be divided into two parts:
1. Except for the Power board (Switched Mode Power Supply) and the CD-R/W module the set has to
be repaired on component level.
2. The Power board and the CD-R/W module will be exchanged completely in case of a failure.
The defective CD-R/W module has to be returned for central repair.
Available circuit descriptions: The Basics of Compact Disc Recordable/Rewritable 4822 725 25242
3rd generation Compact Disc Recording 3104 125 40100