JVC KS-LX200R Service Manual page 21

3. Pin function
Pin No. Symbol
1 IN1.2
2 OUT1
3 IN2.1
4 IN2.2
5 OUT2
6 IN3.1
7 IN3.2
8 OUT3
9 IN4.1
10 IN4.2
11 OUT4
12 CTL1
FWD1
13
REW1
14
CTL2
15
16 FED2
17 REW2
18
SGND
19 MUTE1
20 MUTE2
21 MUTE3
22 MUTE4
23
PVCC1
24
DO6.2
BU4066BCF-X (IC322) : Switch
1.Pin l ayout
14 13 12 11 10
1 2 3 4 5
I/O Function
I CH 1 op-amp input (-)
O CH 1 op-amp output
I CH 2 op-amp input (+)
I CH 2 op-amp input (-)
CH 2 op-amp output
O
I CH 3 op-amp input (+)
I CH 3 op-amp input (-)
CH 3 op-amp output
O
I CH 4 op-amp input(+)
CH 4 op-amp input (-)
I
O
CH 4 op-amp output
CH 5 motor speed
I
control
I CH 5 forward input
CH 5 reverse input
I
CH 6 motor speed
I
control
CH 6 torward input
I
CH 6 reverse input
I
Signal ground
-
CH 1 mute
I
CH 2 mute
I
CH 3 mute
I
CH 4 mute
I
Power supply voltage
-
(For CH 5, CH 6)
CH 6 drive output
O
2.Block diagram
9 8
6 7
Pin No. Symbol I/O
25 DO6.1 O
26 DO5.2 O
27 DO5.1 O
28 SO4.2 O
29 DO4.1 O
30 PGND
31 PGND -
32 DO3.2 O
33 DO3.1 O
34 PGND
35 DO2.2 O
36 SO2.1 O
37 SO1.2 O
38 DO1.1 O
39
PVCC2 -
OPOUT
40
O
OPIN(-)
41
I
OPIN(+)
42
I
RES50
43
I
SVCC
44
-
REF
45
I
REG050
46
O
REG50
47
O
48
IN1.1 I
14 13 12
1 2 3
KS-LX200R
Function
CH 6 drive outout
CH 5 drive output
CH 5 drive output
CH 4 drive output
CH 4 drive output
Power ground
Power ground
CH 3 drive output
CH 3 drive output
Power ground
CH 2 drive output
CH 2 drive output
CH 1 drive output
CH 1 drive output
Power supply voltage
(For CH 1, CH 2, CH 3, CH 4)
Opamp output
Opamp input (-)
Opamp input (+)
Regulator 5V reset
Signal supply voltage
Bias voltage input
regulator 5V output
Regulator output
CH 1 opamp onput (+)
11 10 9 8
4 5 6 7
1-21