Sanyo DC-TS780 Service Manual page 21

IC BLOCK DIAGRAM & DESCRIPTION
IC160 IKE80-E(Motor Driver)
FWD
REV
VCCP2
VLO-
VLO+
VO4+
VO4-
VO3+
VO3-
VO2+
VO2-
VO1-
VO1+
VCCP1
VCCS 15
VIN1+
VIN1-
VIN1
No. Name
1 FWD
2 REV
3 VCC2
4 VLO-
5 VLO+
6 VO4+
7 VO4-
8 VO3+
9 VO3-
10 VO2+
11 VO2-
12 VO1-
13 VO1+
14 VCCP1
15 VCCS
16 VIN1+
17 VIN1-
18 VIN1
1
Input
2
3
4
Output
control
5
6
Level
shift
7
8
Level
shift
9
Power
stem
FR
GND
10
Level
shift
11
12
Level
shift
13
14
Signal stem
power supply
44k
16
11k
17
18
Signal stem GND
Thermal shutdown
(Load outout voltage set)
MUTE
Match CH:ON/OFF
H:Output ON, L:Output OFF
44k
11k
(VCC)
REG IN
REG OUT
44k
11k
44k
11k
No. Name
19 VIN2+
20 VIN2-
21 VIN2
22 VIN3-
23 VIN3
24 VO-OP
25 VIN-OP
26 VIN+OP
27 REG_IN
28 REG_OUT
29 VREF_OUT
30 VREF_IN
31 VIN4
32 VIN4-
33 MUTE234
34 MUTE1
35 VCONT
36 S_GND
- 20 -
36 SGND
35
VCONT
34
MUTE1
CH1
33 MUTE234
CH2,3,4
32 VIN4-
To VREFOUT
31 VIN4
30 VREF_IN
29 VREF_OUT
28 REG_OUT
Power
stem
GND
FR
27 REG_IN
26 VIN+OP
25 VIN-OP
24
VO_OP
23 VIN3
22 VIN3-
To VREFOUT
21 VIN2
20 VIN2-
19 VIN2+