Philips CD931 - Keyboard Panel; Start-Up Procedure; Fault Finding Guide

PCS 60052
37
DISPLAY PANEL.”
KEYBOARD PANEL
39
START UP PROCEDURE
: |
Y
N CHECK: Si/ RD ee N
PRESENT
Y
Y
CHECK: FE
FElag
DISC
rotation > N
OK?
Y
CHECK: SSM
TL
N TTMO
INSIDE? CHECK: BO
“a REdig
B2
83
TRACK N
FOLLOWING
PLAY-KEY
ACTUATED
JUMP TO N
TRACK 1
START UP
PROCEDURE
OK
CHECK
CHECK
CHECK
CHECK
CHECK
Sc
LO
LM
MC
TTM+
TIM~
REdig
Cosc 1
Cosc 2
RElag
RAD-
RAD+
BODS
HFD
act
QDA
QRA
MDA.02340
07-941
REMOVE DISC |
PRESS PLAY
FAULT FINDING GUIDE
POWER SUPPLY CHECK: FUSES
MAINSTRANSFORMER
VOLTAGES: AC DC FTO
SAFETY RESISTORS
DISPLAY CHECK: COMMUNICATION uP - FTD
‘WIRING
DISPLAY DRIVER
MICROPROCESSOR 7701
CRECK: WIRING TO CONTROL + DISPLAY PANEL
10 C.D.M. MECRANISH
POWER SUPPLY
COMMUNICATION CONTR + DISPL PANEL
~ MICROPROCESSOR 7701
CHECR: 1.C. 7001 (7DA8808)
OPAMP 7003 (TCR0372)
SOLDER POINTS, C.D.M.
CRECK: 1.C. 7002 (TDA8809)
‘OPAMP 7003 (TCA0372: HOT")
TLEX, SOLDER POINTS, C.0.M.
RIOES. 3066
SERVICE MODE 2-3
OPM 7131
H.C. 1100 Pw 24 tesqponer 12)
‘TRANSISTORS 7132, 71)
ROMO, 341, 3142, HAS
CHECK: 1.C. 7002 (TDA88CB)
WIRING
LASER SUPPLY
S CURRENT TESTPOINTS 1-2
CHECK: 1.C. 7100 {SAA7310)
CHECK: 1.€. 7100 (PINS 4,3,2 TP 71, 72.73)
o POWER SUPPLY (SAFETY RESISTOR 3102)
CHECK:
> POWER SUPPLE
SAFETY RESISTORS: $201, 3202, 3500
3305, 3306, 3307
1.€., 7201, 7202, 1203, 7300
COMMUNICATION uP 7531 - 1¢ 7201
CHECK: POWER SUPPLY
SAFETY RESISTORS: ae ae
LC. 2202, 7303.
KILL CIRCUIT: 2304, 7308, 7306, 7307
WIRING TO SERVO#DECODER PANEL
co] CHECK: POWER SUPPLY
1.C. 7300, 7302, 7303
:
9104 113 004 8
40
Y
if b
WOAD DISC
LAY
TO
On
Y
PRESS PI
DISPLAY,
2
3104 113 3004 A
PCS 60051
CHECK: PIW 21 uP 7701
OPAMP 7600
‘TRAY MECHABISH
CHECK: aad 3390, 3391
KILL CIRCUIT 7382. 7383
POT 3381. JACKBUS BU-S
WIRING
en] CHECK: COMMUNICATION uP 7731 - EEPROM 7751
WIRING
en] CHECK: COMMUNICATION uP 7731 - IC 7201
WIRING
CHECK: £.R. RECEIVER 1452
POWER SUPP. (SAFETY RESISTOR 3451)
CHECK: SAFETY RESISTOR 3211
LC. 7201. 9213
TRANSFORMER S211
GO 10 SERVICE MODE 9,1.2 OR 3
Ol PRESS PLAY
ERROR CODES ARE DISPLAYED
wy