JVC KS-FX7 Service Manual page 24

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KS-FX7
QQ
3 7 63 1515 0
KIA7810PI (IC902) : Regulator
1.Pin layout
1 2 3
TE
L 13942296513
LB1641 (IC402) : DC motor driver
1. Pin layout
1
2
3
4
GND OUT1 P1
VZ
2. Pin function
Input
IN1
IN2
0
0
www
1
0
0
1
1
1
1-24
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2.Block diagram
R4
R18
Q12
Q10
R5
Q13
Z1
R6
R1
Q7
R7
Q1
R10
5
6
7
8
9
10
IN2 VCC1 VCC2 P2
OUT2
IN1
Output
Mode
OUT1
OUT2
0
0
Brake
1
0
CLOCKWISE
x
ao
y
0
1
COUNTER-CLOCKWISE
0
0
Brake
.
i
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8
R8
R9
R13
Q8
Q9
R21
Q14
Q15
Q6
Q5
R15
R16
Q11
R2
C1
Q4
Q2
Q3
Q Q
3
6 7
R14
R3
u163
2 9
9 4
1 INPUT
Q16
Q17
R12
R17
R11
3 OUTPUT
R20
R19
1 3
1 5
0 5
8
2 9
2 GND
m
co
.
2 8
9 9
9 4
2 8
9 9

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