Read Sony SA-WP780 Service Manual online
4
SA-WP780
•
IC Block Diagrams
– MAIN Board –
IC202, IC203 NJM4565D
A
B
1
A OUTPUT
2
A -INPUT
3
A +INPUT
4
V-
7 B OUTPUT
6 B -INPUT
5 B +INPUT
8 V+
IC500 uPC1237C-A
SWITCH FOR
LATCH/AUTOMATIC
RESET
OUTPUT
OFFSET
DETECTOR
OVERLOAD
DETECTOR
AC-OFF
DETECTOR
FLIP-FLOP
OUTPUT
OFFSET
DETECTOR
OUTPUT
OFFSET
DETECTOR
1
LOADOVER
2
DETECT DC
3
RESET
4
OFF AC
6
DRIVER
RELAY
5
GND
7
OFF AC
8
VCC
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