JVC KS-LX200R Service Manual page 20

KS-LX200R
KA3031 (IC831) : Motor driver
1. Pin layout
48 ~ 37
1 36
~ ~
12 25
13 ~ 24
2. Block diagram
IN1.1
48
IN1.2 1
OUT1 2
IN2.1 3
IN2.2 4
OUT2 5
IN3.1 6
IN3.2 7
OUT3 8
IN4.1 9
IN4.2 10
OUT4 11
CTL1 12
13
FWD1
1-20
REG50 REG050 REF SVCC RES50
47 46 45 44
+ -
2.5V
+
-
+
-
+
-
+
-
14 15 16 17
REV1 CTL FWD2 REV2
OPIN(+) OPIN(-) OPOUT PVCC2 DO1.1
43 42 41
-
SW
+
ALL MUTE
T.S.D
O.V.P
-
+
+
-
-
+
- +
-
+
+
-
-
+
-
+
-
+
+
-
-
+
-
+
-
+
+
-
-
+
- +
+
M
S
S
W
C
-
+
M
S
S
W
C
-
MUTE4
MUTE3
MUTE2
MUTE1
18 19 20
SGND MUTE1 MUTE2 MUTE3 MUTE4 PVCC1 DO6.2
DO1.2
40 39 38 37
2P
2P
2P
2P
2P
2P
2P
2P
D
2P
D
2P
D
2P
D
2P
21 22 23 24
36 DO2.1
35 DO2.2
34 PGND3
33 DO3.1
32 DO3.2
31 PGND2
30 PGND1
29 DO4.1
28 DO4.2
27 DO5.1
26 DO5.2
25 DO6.1