JVC MX-KA3 Service Manual page 26

MX-KA3
Pin Description, Equivalent Circuit (cont)
(V = 12V, Ta = 25˚C, No Signal, The value in the table shows typical value.)
CC
Pin No. Pin Name
11 ALC ON/OFF
12 High/Norm
13 A/ B
14 M UTE ON/OFF
15 REC MUTE OFF/ON
19 IR EF
18, 36 GND
6, 9, 22, NC
25, 38
20 Test mode
31 PB-NF1(L)
40 PB-NF1(R)
30 PB-NF2(L)
1 PB-NF2(R)
1-26
Note Equivalent Circuit
(Control
voltage = 3 V)
22 k
100 k
V = 1.2 V
V = 0.6 V
180
PBNF1
Description
Mode control input
V
CC
I
GND
Equalizer refernce
current input
GND pin
NC pin
Test mode pin
GND TEST
PB EQ feed back
V
CC
330 k
PBNF2