JVC MX-KA3 - Setting the Sleep Timer

MX-KA3
1-24
1. Block Diagram
 Optical disc ICs HA12237F (IC401)
BA BA
+
PB-NF2(R)
MUTE MUTE
93/120
(High/Norm)
93/120
(High/Norm)
EQ EQ
ALC
31
NC
1098
NC
765432
EQOUT(R)
RECIN(R)
TAI(R)
PB-EQ(R)
ALC(R)
1
32 33 34 35 36 37 38NC 39
PB-NF1(L)
AIN(L)
RIP
40
20 19 18 17 16 15 14 13 12 11
ALC ON/ OFF
Return SW Return SW
PBOUT(R)
+
PB-NF1(R)
+
+
AIN(R)
BIN(L)
GND
V
CC
ALC DET GND IREF
Test mode (Open for normal use)
REC- RETURN
BIN(R)
+
RECOUT(R)
PB-NF2(L)
NC
NC
EQOUT(L)
RECIN(L)
TAI(L)
PB-EQ(L)
ALC(L)
PBOUT(L)
RECOUT(L)
+
+
+
High/ Norm A/ (REC Return ON/ OFF ) MUTE ON/ OFF REC MUTE OFF/ ON
21222324252627282930
++
 Pin Description, Equivalent Circuit (cont)
(V CC = 12V, Ta = 25˚C, No Signal, The value in the table shows typical value.)
Pin No. Pin Name Note Equivalent Circuit Description
33 RIP V = V
CC
/2
V
CC
GND
V
Ripple filter
29 PB-EQ(L)
2 PB-EQ(R)
NAB output