Service manual
QT-CD161/141
– 16 –
Figure 16 SCHEMATIC DIAGRAM (3/6)
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
A
B
C
D
E
F
G
H
1
2
34 5
6
C252
0.022
R
2
R
2
C152
0.039
(ML)
C151
0.039(ML) 
D303
1N4004
R457
1.2K
R458
1.2K
R456
15K 
R455
15K
C351
0.0022
(ML)
C352
220/10
Q351
KTC8050 D
R354
10(1/4W)
R353
47K(1/4W)
C353
0.0056
(ML)
R351
330
(1/4W)
R352
150
(1/4W)
L301
C354
0.022(ML) 
R123
3.3K
R121
2.7K
SW201-A 
R154
2.2K
SW201-B 
R153
2.2K
R124
3.3K
R104
12K
R105
15K(1/4W)
C108
820P(B)
C107
(B)820P 
R101
330
R102
330
R103
12K
C105
0.0018(B)
R106
15K
C106
0.0018(B)
R109
120
C116
0.018
(ML)
C113
47/16 
IC101
BA3311L
REC./P.B.
EQUALIZER
10
9 
8 
5 
2 
R114
8.2K
R116
3.9K
C118
10/16
R113
8.2K
R115
3.9K
R117
3.9K
C117
10/16
C115
0.018(ML)
R118
3.9K
R125
680K
C120
47/16
C119
2.2/50
R119
3.3K
R120
3.3K
D102
1N4148
D101
1N4148
C122
0.01(Z) 
C121
0.01
R122
2.7K
R110
120
C114
47/16
C110
270P(B)
R108
1K
R107
1K
C111
330P(B)
C112
330P(B)
C109
270P(B)
C123
220/10
D103
1N4148
SW202-A
X-BASS
SW102-G 
SW102-E 
SW102-D 
SW102-H 
SW102-B 
SW102-C 
FUNC(CD)
 +7.4V
P19 7-A,11-H
P14 2-H,P19 11-HION
BACK UP 
D GND
TUNER +B
GND(A)
L-CH
R-CH
P18 3-A,4-A
SW202-B
X-BASS
OFF ON
OFF ON
TAPE
TAPE
TUNER 
PRE AMP 
ERASE HEAD
R-CH
L-CH
R 
R 
R 
R 
PP
P
P 
R P 
R-CH
AUDIO GND
L-CH
CD +7.4V
DIGITAL GND
POWER GND
MUTE
CD
CD
TUNER 
P R
R P 
P R 
OUT1
OUT2
IN1
IN2
NF2
NF1
GND
VCC
FILTER
ALC T
1 1 
2 2 
3 3 
4 4 
CNS101 CNP101
3 1 
12
7 
6 
4 
11
SW102-A 
SW102-F 
40
28
32
23
22
21
44
42
43
12
16
15
14
13
1 
FM SIGNAL 
CD SIGNAL 
PLAYBACK SIGNAL 
RECORD SIGNAL 
+B
+B
+B
+B
MAIN PWB-A1(2/4)
BIAS OSC










