JVC KD-S721R Service Manual

1-19
KD-S723R/KD-S721R
2.Terminal layout
3.Pin function
LA4743K
TAB
GND1
OUTRR-
STBY
OUTRR+
VCC1/2
OUTFR-
GND2
OUTFR+
VREF
INRR
INFR
SGND
INFL
INRF
ONTIME
OUTFL+
GND3
OUTFL-
VCC3/4
OUTRL+
MUTE
OUTRL-
GND4
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
VREF
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

JVC KD-S721R Specifications

General

Brand	JVC
Model	KD-S721R
Category	Car Receiver
Language	English