Casio ZD-1

IC402: TA8227P
12
1
3 4
6
5
8
2
7
11 10
Bias Circuit
Thermal
Shut Down
Protection
Circuit
9
Vcc1
Vcc2
B.S. 1 Out 1 Power GND
30 kΩ
45Ω
In 1 NF 1
Ripple
In 2 NF 2
30 kΩ
45Ω
Pre GND
(F In)
OUt 2
B.S. 2
Ch 1
Ch 2
16
12
7
IC403: BA15218N
1 2
1 2 3 4 5 6 7 8
Out 1 -In 1 +In 1 GND +In 2 -In 2 Out 2 V
CC
1
8
35