Casio ZD-1 Service Manual page 45

IC705: S-81350HG-KD-T1
*Parasitic
Diode
V
3
IN
1 2 3
Vref
1 V
OUT
2
GND
IC706: RH5VL29CA-T1
V
2
DD
1 2 3
1
OUT
Vref
3
GND
43