JVC KS-FX490 Service Manual page 29

• Pin layout
• Pin function
Pin No. Symbol
1 AC CONT1
2 GND1
3 OUTFR-
4 STBY
5 OUTFR+
6 Vcc1/2
7 OUTRR-
8 GND2
9 OUTRR+
10 VREF
11 INRR
12 INFR
13 SGND
14 INFL
15 INRL
16 ONTIME
17 OUTRL+
18 GND3
19 OUTRL-
20 Vcc3/4
21 OUTFL+
22 MUTE
23 OUTFL-
24 GND4
25 NC
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
Function
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