Sony HCD-FR1 Service Manual page 109

IC812, 813 SN74LV245APWR
20 19 18 17
1 2 3 4
– RELAY Board –
15 14 13 12 11
16
5 6 7 8 9 10
IC907 PST3645NR
OUT 1
VDD 2
GND 3
IC701, 711, 721
1 2 3 4
IC814
A 1
B
Y
GND 4
5
CD
4
NC
BA6956AN
TSD
CONTROL LOGIC
5 6 7 8 9
HCD-FR1/FR8/FR9
TC7WH157FK (TE85R)
8 VCC
11 7 ST
11 6 SELECT
EN G
5
A Y Y
2 B
Y
3
29