JVC KW-XC777 Service Manual page 33

QQ
3 7 63 1515 0
2.Terminal layout
3.Pin function
Pin No. Symbol
1 TAB
2 GND
3 RFO-
4 STBY
5 RFO+
6 VCC1/2
7 RRO-
8 GND
9 RRO+
10 VREF
11 RRIN
12 RFIN
13 SGND
14 LFIN
15 LRIN
16 ONTIME
17 LRO+
TE
L 13942296513
18 GND
19 LRO-
20 VCC3/4
21 LFO+
22 MUTE
23 LFO-GND
24 NC
25
LB1641 (IC402) : DC motor driver
1. Pin layout
1 2 3 4
GND OUT1 P1
VZ
www
.
http://www.xiaoyu163.com
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
5 6 7 8 9 10
IN2 VCC1 VCC2 P2 OUT2
IN1
x ao u163
y
i
http://www.xiaoyu163.com
2 9
8
Function
Q Q
3 6 7 1 3
2. Pin function
Input
IN1 IN2 OUT1
0 0 0
1 0 1
0 1 0
1 1 0
.
9 4 2 8
1 5 0 5 8 2 9 9 4
Output
Mode
OUT2
0
Brake
0
CLOCKWISE
1 COUNTER-CLOCKWISE
0
Brake
m
co
KW-XC777
9 9
2 8 9 9
1-33