JVC KD-S821R Service Manual page 19

2.Terminal layout
3.Pin function
Pin No. Symbol
1 TAB
2 GND
3 OUTRR-
4 STBY
5 OUTRR+
6 VCC1/2
7 OUTRF-
8 GND
9 OUTRF+
10 RIPPLE
11 INRF
12 INRR
13 SGND
14 INLR
15 INLF
16 ONTIME
17 OUTLF+
18 GND
19 OUTLF-
20 VCC3/4
21 OUTLR+
22 MUTE
23 OUTLR-
24 GND
25 NC
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
Non connection
KD-S821R
LA4743K
1-19