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IC BLOCK DIAGRAM & DESCRIPTION
U0404 74HCU04D(INVERTER)
U0801 LA6560(MOTOR DRIVER)
I
1
FWD
N
Thermal Shutdown
P
U
2
REV
T
3
VCC2
O
U
4
VL0–
C
T
T
P
R
U
5
VL0+
L
T
L
6
V04+
S
E
H
V
I
E
F
7
V04–
L
T
L
8
V03+
S
E
H
V
I
E
F
9
V03–
L
T
POWER
SYSTEM
GND
FR FR
L
10
V02+
S
E
H
V
I
E
F
11
V02–
L
T
L
12
V01+
S
E
H
V
I
E
F
13
V01–
L
T
14
VCC1
22k
11k
15
VIN1
16
VIN1–A
AMP-A
17
VIN1+A
AMP-B
18
VIN1–B
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SIGNAL SYSTEM GND
36
S-GND
(LOAD OUTPUT Voltage Setting)
35
VCONT
BTL-AMP OUTPUT
34
MUTE
MUTE
ON/OFF
33
VIN4
22k
32
VIN4–
11k
31
VIN4+
30
VREF-IN
29
VIN1/VREF-SW
VIN1(VREF)-SW
28
VREF-OUT(CH1)
POWER
SYSTEM
GND
FR
FR
5VREG(PNP Ext.)
27
REG-OUT
26
REG-IN
22k
25
VIN3+
11k
24
VIN3–
23
VIN3
22k
22
VIN2+
11k
21
VIN2–
20
VIN2
19
VIN1+B
U0405 NC7SZ157P6X(2 INPUT NON-INVERTER)
I
1
1
GND
2
I
3
0
(Top View)
Pin Descriptions
Pin Name
I
, I
0
1
S
Z
U0802 LM358MX(LOW POWER DUAL OP. AMP)
Output A
1
2
±
Inputs A
+
3
V
/Gnd
4
EE
(T op V iew)
- 11 -
6
S
1
5
Vcc
0
4
Z
Description
Data Inputs
Control Inputs
Output
V
8
CC
Output B
7
6
±
Inputs B
+
5
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