KS-FX925R
1-29
2.Terminal layout
3.Pin function
LA47505
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Symbol
Pin No.
Function
Header of IC
Power GND
Outpur(-) for front Rch
Stand by input
Output (+) for front Rch
Power input
Output (-) for rear Rch
Power GND
Output (+) for rear Rch
Ripple filter
Rear Rch input
Front Rch input
Signal GND
Front Lch input
Rear Lch input
Power on time control
Output (+) for rear Lch
Power GND
Output (-) for rear Lch
Power input
Output (+) for front
Muting control input
Output (-) for front
Power GND
No connection
A
C
CONT1
GND1
OUTFR-
STBY
OUTFR+
Vcc1/2
OUTRR-
GND2
OUTRR+
VREF
INRR
INFR
SGND
INFL
INRL
ONTIME
OUTRL+
GND3
OUTRL-
Vcc3/4
OUTFL+
MUTE
OUTFL-
GND4
NC
AC CONT1
GND1
OUTFR-
STBY
OUTFR+
Vcc1/2
OUTRR-
GND2
OUTRR+
VREF
INRR
INFR
SGND
INFL
INRL
ONTIME
OUTRL+
GND3
OUTRL-
Vcc3/4
OUTFL+
MUTE
OUTFL-
GND4
NC
1
2
3
4
5
6
7
8
9
10
GND OUT1 P1
VZ
IN1
IN2
VCC1 VCC2 P2
OUT2
Input
Output
Mode
IN1
IN2
OUT1
OUT2
Brake
0
0
0
0
1
0
1
0
0
1
0
1
1
1
0
0
CLOCKWISE
COUNTER-CLOCKWISE
Brake
LB1641 (IC402) : DC motor driver
1. Pin layout
2. Pin function
