Block diagram
HEAD
IC901
HEAD AMPLIFIER
UPC1228HA
IC981
PO
WER AMP
.
HA13158A
IC931
E.V
OLUME
TEA6320T
IC701
SYSTEM CONTR
OL MICON
LC72362N-9920
TU1
AM/FM TUNER
P
A
CK
QA
U0223-001
LCD1
QLD0145-001
IC651
LCD DRIVER
LC75823W
KEY
S601 - S620
MAIN
MOTO
R
MUTE SWITCH
T APE /RADIO SW
SEEK/ST
OP
,
MONO
.SD/ST
,
S METER,
FM OSC
, EO
, BAND
TUNER L
T
APE IN
PR
OG
OUT L F
ront
Lch F
ront
Lch Rear
Lch Rear OUT
SD
A
SCL
CN901
CP721
CN721
KEY 0 - 2
CJ701
LCDD
A
LCDCK
LCDCE
F/R
S8 - S52
COM1 - COM3
CP701
T
APE L
LCH
F/R
LCH
CP901
CJ901
J1
FM
T
O
SPEAKER
CONNECT
OR
T
O
LINE REAR OUT
T
u
ner
.P
o
w
e
r AMP
./System Controller
LCD DRIVER/KEY SWITCH CIRCUT
HEAD AMPLIFIER CIRCUIT
CJ921
CP722
DIRECTION BO
ARD
RELA
Y
BO
ARD
AM
CP981
2
16
1
16
15
4
3
1
3
7
PR
OG-SW
3
1
ANT
KS-FX202
2-1