Read Sony CDX-646 / CDX-646X Service Manual online
CDX-646/646X
11
11
R304
IC303
C318
C412
R416
TP305
TP306
TP307
TP308
TP309
TP310
TP311
TP312
TP313
IC305
C317
C316
C319
C315
C314
C313
D310
C312
R310
R306
R421
R420
R422
C311
Q305
Q303
R309
C310
C309
D304
D301
C306
TP323
R301
TP321
TP322
TP324
D312
R305
C308
D307
D306
C307
R303
Q302
Q402
Q410
C410
Q420
R415
C411
C409
C431
C301
C302
C303
IC401(1/2)
IC401(2/2)
C407
C408
R408
R418
C418
C419
R417
R407
IC302
IC301
C304
R302
TP303
TP304
TP301
TP302
TP801
TP802
SW801
M104
BP301
BP302
D305
IC306
IC304
R405
R403
R404
R406
R411
R412
R409
R413
R414
R410
C414
C413
150k
XC61CN2502PR
0.1
100p
100k
NJM2395AF05
0.1
100
16V
16V
220
16V
16V
1000
16V
0.1
100
16V
16V
MA8056-H-TX
0.1
100k
47k
470
0
470
100
16V
16V
2SB1202FAT-TL
2SC2712-YG-TE85L
47k
1000
16V
0.01
RB521S-30-TE61
RB521S-30-TE61
0.0047
47k
UDZS-TE17-6.8B
100k
0.1
1SS355TE-17
UDZS-TE17-6.2B
0.33
120k
2SC2712-YG-TE85L
DTA114EKA-T146
UN2226-TX
10
16V
UN2226-TX
100k
100p
10
16V
0.001
0.1
0.1
0.1
TLV2362IPWR
TLV2362IPWR
47
4V
4V
0.1
33k
33k
0.1
47
4V
4V
5.6k
5.6k
BA8272AFV-E2
LB1930M-TLM
0.1
100k
RB521S-30-TE61
RH5RL33AA-T1
NJM2395AF08
6.8k
6.8k
6.8k
6.8k
12k
12k
12k
220
220
12k
100p
100p
A1
A2
A3
A4
A5
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
SO
SI
SCK
FWD
REV
AA1
AA2
AA3
AA4
CLK
RST
DATA
BUSON
GND
GND
B.UP
LCH
AGND
RCH
GND
ELV+
ELV-
EJECT
GND
(CHASSIS)
(CHASSIS)
BUSON
GND
CLK
DATA
RST
SO
SI
SCK
VCC
BUSON
LOF
BUSON
IN
OUT
VREF
OUT
(CHASSIS)
(ELEVATOR)
JACK
FLEXIBLE
BOARD
1
13
B.UP
B.UP
ELEVATOR MOTOR DRIVE
BUS INTERFACE
(FOR SONY BUS)
RESET
Q303,305
+3.3V REGULATOR
O
G
I
RESET SIGNAL
GENERATOR
BATTERY
CHECK
+5V REGULATOR
+3.3V REGULATOR
O
G
I
+8V REGULATOR
CONT
GND
VIN
VOUT
CONT
GND
VIN
VOUT
MUTING CONTROL SWITCH
MUTING
MUTING
GROUND-ISOLATION
2-9.
SCHEMATIC DIAGRAM – MAIN (2/2)/SWITCH Boards – •
See page 13 for IC Block Diagrams.
(Page 12)
(Page 10)
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