Aiwa XD-DV370 Service Manual page 48

IC DESCRIPTION - 2/11 (KA3032)-1/1
Pin No. Pin Name
1 OUT1
2 IN2.1
3 IN2.2
4 OUT2
5 IN3.1
6, 7 GND
8 IN3.2
9 OUT3
10 IN4.1
11 IN4.2
12 OUT4
13 CTL
14 FWD
15 REV
16 SGND
17 OPOUT
18, 19 GND
20 OPIN (+)
21 OPIN (-)
22 MUTE4
23 MUTE3
24 MUTE1, 2
25 PVCC1
26, 27 DO5.2, DO5.1
28, 29 DO4.2, DO4.1
30, 31 GND
32, 33 DO3.2, DO3.1
34 PGND
35, 36 DO2.2, DO2.1
37, 38 DO1.2, DO1.1
39 PVCC2
40 REG50
41 REG050
42, 43 GND
44 RES50
45 SVCC
46 REF
47 IN1.1
48 IN1.2
I/O
O CH 1 op-amp output
I CH 1 op-amp input (+)
I CH 2 op-amp input (-)
O CH 2 op-amp output
I CH 3 op-amp input (+)
– Ground
I CH 3 op-amp input (-)
O CH 3 op-amp output
I CH 4 op-amp input (+)
I CH 4 op-amp input (-)
O CH 4 op-amp output
I CH 5 motor speed control
I CH 5 forward input
I CH 5 reverse input
– Signal ground
O Opamp output
– Ground
I Opamp input (+)
I Opamp inpt (-)
I CH 4 mute
I CH 3 mute
I CH 1, CH 2 mute
– Power supply voltage (For CH 5)
O CH 5 drive output
O CH 4 drive output
– Ground
O CH 3 drive output
– Power ground
O CH 2 drive output
O CH 1 drive output
– Power supply voltage (For CH 1, CH 2, CH 3, CH 4)
O Regulator output
O Regulator 5V output
– Ground
I Regulator reset
– Signal supply voltage
I Bias voltage input
I CH 1 opamp input (+)
I CH 1 opamp input (-)
Description
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