JVC MX-KA3 - Troubleshooting; Common System Issues and Solutions

MX-KA3
1-26
Pin No. Pin Name Note Equivalent Circuit Description
11 ALC ON/OFF
12 High/Norm
13 A/B
14 MUTE ON/OFF
15 REC MUTE OFF/ON
(Control
voltage = 3 V)
GND
V
CC
I
100 k
22 k
Mode control input
19 IREF V = 1.2 V Equalizer refernce
current input
18, 36 GND GND pin
6, 9, 22,
25, 38
NC NC pin
20 Test mode
GND TEST
Test mode pin
31 PB-NF1(L)
40 PB-NF1(R)
30 PB-NF2(L)
1 PB-NF2(R)
V = 0.6 V
V
CC
330 k180
PBNF1
PBNF2
PB EQ feed back
 Pin Description, Equivalent Circuit (cont)
(V CC = 12V, Ta = 25˚C, No Signal, The value in the table shows typical value.)