Casio ZD-3 Service Manual page 44

IC102: TC74VHCT541AFT
20 11
1
10
V
CC
20
1
G1
IC201: AN8814SB-E1
28 22 21
1 7 8 1 4
PV 1 VO 1+
CC
20 18
1/2
21
PV
CC
6
4
5
1
3.3V
2
REG
19
PGND 1
G2 Y1 Y2
19 18 17
2 3 4
A1 A2 A3
15
VO 1- VO 2+
17 16
Direction Direction
Detect Detect
23 24 25
IN 1 PC 1 IN 2
Y3 Y4
16 15
5 6
A4 A5
VO 2- VO 3+ VO 3-
15 14 13
Direction
Detect
26 27
PC 2 IN 3
42
Y5 Y6 Y7
14 13 12
7 8 9
A6 A7 A8
VO 4+ VO 4- PV 2
CC
12 11 9
1/2
PV
CC
V
CC
Direction
Detect
Detect
Thermal
Protect
Circuit
28 10
IN 4 PGND 2
Y8
11
10
GND
8
7 V
CC
FIN GND
22 V
REF