Sony SA-WP780 - IC Block Diagrams; Main Board

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