Casio ZD-3 Service Manual page 55

IC703: BA6898S
32
1
SUB V IN4' IN4 OUT4-A OUT4-B NC OPIN-B OPOUT GND OUT3-B OUT3-A IN3
CC
32 31 30 29
10K
V
CC
V
CC
1 2 3
NC V V IN IN1'
CC REF
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17
16
28 27 26 25
Level Shift
OP-AMP
13.3K
13.3K
Level Shift
10K
4 5 6 7 8
IN1 OUT1-A OUT1-B GND OUT2-B OUT2-A IN2' RESET REG-B REGOUT MUTE SUB
53
24 23 22 21 20
Level Shift
13.3K
Regulator
13.3K
Level Shift
100
9 10 11 12 13
T. S. D. : Thermal shut
down
D. BUF: Drive buffer
IN3' GND NC
19 18 17
10K
T. S. D.
Driver Mute
10K
10K
50K
50K
14 15 16