JVC KW-XC777 - Troubleshooting; Common CD Player Issues

KW-XC777
1-33
2.Terminal layout
3.Pin function
TAB
GND
RFO-
STBY
RFO+
VCC1/2
RRO-
GND
RRO+
VREF
RRIN
RFIN
SGND
LFIN
LRIN
ONTIME
LRO+
GND
LRO-
VCC3/4
LFO+
MUTE
LFO-GND
NC
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
SymbolPin 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
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
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com