Schematic Diagram - Main (2/2)/Switch Boards - Sony CDX-656 Service Manual

6-9. SCHEMATIC DIAGRAM – MAIN (2/2)/SWITCH Boards – •
A1
ELEVATOR MOTOR DRIVE
IC301
LB1930M-TLM
REV
FWD
A2
C301
0.1
R302
100k
A3
A4
Q302
2SC2712-YG-TE85L
BATTERY
CHECK
A5
A7
(Page 24)
A8
C313
100
16V
A9
A10
A11
AA3
AA1
AA2
AA4
A12
A13
R417
A14
5.6k
A15
A16
C419
R418
47
33k
4V
See page 27 for IC Block Diagrams.
IC302
BA8272AFV-E2
RST
RESET
SO
DATA
SI
SI
VREF
SO
SCK
CLK
SCK
GND
LOF
BUSON
BUSON
OUT IN
BUSON
VCC
OUT
BUS INTERFACE
(FOR SONY BUS)
C302 C303 C304
0.1 0.1 0.1
R305
100k
D306 D307 R304
UDZS-TE17-6.2B 1SS355TE-17 150k
RESET SIGNAL
GENERATOR
R303 C307 C308
120k 0.33 0.1
I
+8V REGULATOR
O +3.3V REGULATOR
IC304
NJM2396F08 G IC306
RH5RL33AA-T1
C315
C314 1000
0.1 16V
C319
220
16V
C414
100p
R409
12k
R405
6.8k
R403
6.8k
TLV2362IPWR
GROUND-ISOLATION
TLV2362IPWR
R404
6.8k
R406
6.8k
R411 R412
12k 12k
R407 R410
5.6k 12k
C407
C418 R408 C408 C413
47
0.1 33k 0.1 100p
4V
D312
UDZS-TE17-6.8B
TP321
BP302
TP322 TP324
R301
47k
D304 D301 D305 C306
RB521S-30-TE61 RB521S-30-TE61 RB521S-30-TE61 0.0047
Q303,305
+3.3V REGULATOR
IC303
Q305
XC61CN2502PR
2SB1202FAT-TL
O I
G
Q303
2SC2712-YG-TE85L
R306
47k
R309
47k
C310 C311
C309 R310 C312 D310
1000 100
0.01 100k 0.1 MA8056-H-TX
16V 16V
+5V REGULATOR
IC305
NJM2395F05
C316
C317 C318
100
0.1 0.1
16V
Q402
DTA114EKA-T146
MUTING CONTROL SWITCH
C409 R413
10 220
16V
IC401(2/2)
C411 R415
100p 100k
Q420
UN2226-TX
IC401(1/2) MUTING
C431
0.001
C412 R416
100p 100k
Q410
UN2226-TX
C410
MUTING
10 R414
16V 220
25 25
EJECT TP301 TP802
GND TP302 TP801
SW801
TP323
BP301 ELV- TP303
M104
ELV+ TP304
(ELEVATOR)
(CHASSIS)
TP305 CLK 1
TP306 RST
JACK
TP307 DATA
FLEXIBLE
TP308 BUSON
BOARD
TP309 GND
GND
GND
TP310 B.UP
B.UP
B.UP
(Page 26)
TP311 LCH
TP312 AGND
TP313 RCH
13
(CHASSIS)
(CHASSIS)
CDX-656/656X