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SA-VE502, SA-VE505, SA-VE702, SA-WMS5, SS-MS5 - Sony Audio Service Manual (repair manual). Page 7

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• IC Block Diagrams
– MAIN Board –
IC301
STK350-230
1
2
3
4
5
6
7
8
9
TR3
R1
R2
TR4
TR6
TR7
R4
R9
TR5
TR1
TR2
R6
D4     D3
R7
R8
TR8
D1     D2
R5
R3
INPUT
NF
-VEOUT
+VEOUT
V
SS
GND
V
CC
SUB
IC303
µPC1237HA
– AUTO POWER Board –
IC602
NJM2072D
1
2
3
4
5
6
7
8
INPUT
GAIN CONT
AMP OUT
GND
VCC
OUTPUT1
RECOVERY
TIME CAP
OUTPUT2
1
2
3
4
5
6
7
8
OVER LOAD DET
F/F
OFFSET DET
LATCH/
AUTORESET
V
CC
 ON
MUTE
AC OFF
DET
OVER LOAD DET
OFFSET DET
AUTO RESET
AC OFF DET
GND
RELAY  DRIVE
VCC ON MUTE
VCC
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