Read Sony HT-DDW5400 / TA-KMSW540 Service Manual online
TA-KMSW540
12
• IC Block Diagrams
IC202, IC203 NJM4565M-D (MAIN BOARD)
A OUTPUT
V+
B OUTPUT
B -INPUT
B +INPUT
A -INPUT
A +INPUT
V-
8
7
6
5
4
3
2
1
A
B
IC501 uPC1237C-A (MAIN BOARD)
SWITCH FOR
LATCH/AUTOMATIC
RESET
OUTPUT
OFFSET
DETECTOR
OVERLOAD
DETECTOR
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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