Service manual

84
HCD-FR10W
IC907 PST3645NR
VREF
5
4
3
2
1
OUT
VDD
GND
NC
CD
– RELAY Board –
IC701, 711, 721 BA6956AN
1 2 3 4 5 6 7 8 9
CONTROL LOGIC
TSD
VREF
OUT2 OUT1
RNF
VM
VCC
FIN
GND
RIN
IC812, 813 SN74LV245APWR
1234
5
678910
20 19 18 17
16
15 14 13 12
11
A1
DIR
A2 A3 A4 A5 A6 A7 A8
GND
ENABLE
G
V
CC
B1 B2 B3 B4 B5 B6 B7 B8
IC814 TC7WH157FK (TE85R)
SELECT
116
ST
117
A
1
2
3
A
B
Y
5
Y
B
GND
4
VCC
8
Y
EN G
Y
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