Service manual

QT-CD131/131C
– 10 –
Figure 10 BLOCK DIAGRAM (2/3)
6
5
1
8
2
2
3
4 5 6 7
10
11
12
5
1
8
9
6
12
IC202
LA4597
POWER AMP.
L
VOLUME
X-BASS
SW203
A,B
VR201
A,B
STANBY
R
2
1
3
IC203
KIA7808P
VOLTAGE
REGULATOR
+B2
+B1
SP501
SPEAKERS
SP502
SO651
SW201-C
POWER/
FUNCTION
AM / FM
SELECT
+B
FM +B
SW201-D POWER /
FUNCTION
RADIO
TAPE
REC
POWER/
FUNCTION
SW201-A,B
FROM TUNER SECTION IC2-9,10PIN
CD
EC / PB
SW102
A,F
P. B
REC
IC101
EQULIZER
AMP.
BA331IL
REC
REC
P.B
P.B P.B
L
R
L
R
SW102
REC / PB
B.D
REC / PB
SW102
C,E
L-CH
REC / PB
HEAD
R-CH
(AUDIO GND)
+7.4V
+B2
(DIGITAL GND)
(POWER GND)
FROM
CD/DISPLAY
SECTION
R-CH
ERASE
HEAD
SW102-H
REC / PB
BIAS
OSC.
C201
L201
SW102-G
REC / PB
+B1
M601
TAPE
MOTOR
SW601
MAIN
D651~D654
RECTIFIER
TUNER
+B
BACK UP
+B
T601
POWER
TRANSFORMER
BATTERY
DC12V
["D" SIZE (UM/SUM-1,
R20 or HP-2)BATTERYx8]
BATTERY
DC3V
["AA" SIZE (UM/SUM-3,
R6 or HP-7)BATTERYx2
FOR TUNER MEMORY]
AC INPUT
AC 120V
60Hz
L-CH
MUTE
L-CH
R-CH