JVC KS-FX945R Service Manual page 31

• Terminal 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
6.9 RPM6938-SV4 (IC602) : Remote sensor
• Pin diagram
1
• Block diagram
I/V
conversion
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
2 3
AMP
BPF
PD
fo
trimming
circuit
magnetic shield
Vcc
AGC
Comp
Detector
Vcc
22k
Rout
GND
(No.49875)1-31