JVC KS-FX772R Service Manual page 26

2.Terminal layout
3.Pin function
Pin No. Symbol
1 GND
2 GND
3 RROUT-
4 STANDBY
5 RROUT+
6 VCC
7 FROUT-
8 GND
9 FROUT+
10 RIPPLE
11 FRIN
12 RRIN
13 SGND
14 RLIN
15 FLIN
16 ONTIME
17 FLOUT+
18 GND
19 FLOUT-
20 VCC
21 RLOUT+
22 MUTE
23 RLOUT-
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
Rear Lch input
Front Lch input
Power on time control
Output (+) for rear Lch
Power GND
Output (-) for rear Lch
Power input
Output (+) for front Lch
Muting control input
Output (-) for front Lch
Power GND
No connection
KS-FX772R
LA4743K
1-27