Sony SA-VE812ED - Page 7

7
• IC Block Diagrams
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 (MAIN Board)
IC602 NJM2072D (AUTO POWER Board)
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
IC301 STK350-230 (MAIN Board)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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