Casio ZD-3 Service Manual page 52

IC502: BA4510F-E2
8
5
1 4
IC601: UPC29M33T-E1
4
1 2 3
Start-up
Circuit
V Out 2
CC
8 7
1
1
Out 1 -In 1
Reference
Voltage
Thermal
Shut Down
50
-In2
6
2
2 3
+In 1
Drive
Error
AMP. Circuit
Over Current
Protection
+In 2
5
4
V
EE
Safe Operating
Area Protection
Saturation
Protection
1 Input
Output
3
2
GND
4