Service manual
QT-CD131/131C
– 18 –
Figure 18 WIRING OF P.W.BOARD (1/3)
A
B
C
D
E
F
G
H
1
2
34 5
6
• The numbers 1 to 12 are waveform numbers shown in page 21.
IC801
C818
C819
C817
C821
C835
C837
D802
C807
C846
R124
R122
R352
R353
R354
R106R114
R116
R118
R120
R108
R102
R107
1
BD FA
C
EHG
23
4
R103
R104
R110
R109
R125
D102
D103
C353
C354
C352
C351
C108
C107
C110
C112
C111
C109
C113
C120
C123
C119
C118
C114
C122
C116
C115
SW102
P.B REC
R710
R711
R709
C702
C701
R713
R726
R728
R723
R729
R722
R731
R720
R732
R719
R733
R718
R716
R725
C704
R876
R875
R880
R860
R858
R873
R831
R827
R826
R821
R820
R839
R840
R817
R823
R822
R825
R824
C845
R819
R814
R828
R815
R813
R812
R806
R804
R802
R803
R837
R835
R833
R834
R832
R816
R809
R811
R808
R856
1
5
10
15
20
25
30
35
40
45
50
55
60
48
49
64
16
17
32
33
R857
R838
R836
R849
C225
C230
D201
R734
R730
R721
R727
R724
R736
R715
R801
1
5
10
15
20
25
30
35
40
45
50
55
60
16
17
32
33
48
49
64
R105
R708
CNP101
R807
C803
C121
R230
C105
C106
C842
C834
C804
C301
C302
C705
C870
C869
C873
C822
C820
C830
C832
C831
C805
C813
C808
C809
C814
C812
C849
C811
C815
C816
C810
C851
C833
C841
C847
C850
C801
C806
R805
R878
C889
ZD801
R877
L801
R101
R871
C802
C839
C840
C838
R113
R115
D101
R117
C117
1
3
5
7
911
24 6 8
10
12
IC203
R714
L301
C887
R810
BI801
R829
C844
R830
R842
C227
C232
IC101
IC202
C843
R874
C867
C890
L802
C868
CNP602
IC701
LCD701
R351
IC804
BI803
BI802
T2
IC3
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
9
10
11
12
13
14
15
16
IC2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
IC1
F1
L1
VD1
TP3
TP2
TP1
R24
D2
R8
R46
R50
R51
R52
R3
R2
R40
R39
R41
R29
R28
R43
R27
R26
R6
C40
C31
C33
C2
C3
C8
C12
C4
C7
C15
C6
C16
C5
C46
C49
C34
C42
C41
C39
C35
VR1
R44
C50
ZD1
R49
R45
C45
C48
R38
R47
R48
R31
C44
R34
R35
R37
R55
R14
R33
T3
C32
C51
L4
C52
R7
T1
R1
R4
L2
C14
C9
VD2
R5
R56
C11
R220
C217
C218
R123
R119
R455
R456
R457
R458
R121
C53
R221
R151
C151
C152
R742
R741
R740
D740
D741
R744
R745
C741
R743
C740
C216
CF1
C234
C233
X701
16
17
32
33
48
49
64
1
5
10
15
20
25
3035
40
45
50
55
60
XL801
R152
R217
R222
C215
R219
C231
C223
C219
C224
C222
C221
C220
C229
C226
R12
C18
C20
C17
R11
R9
VD3
R10
C19
TC1
R23
C27
X1
C29
C30
R19
D3
R42
R36
D4
R32
R22
R18
C10
R15
R20
C13
C21
L5
R17
R13
R16
C60
R30
FW502
CNP502
1
1
2
2
FW502
D1
C22
C25
C26
C37
CNP501
Q351
Q740
Q804
Q805
Q10
Q9
Q8
Q7
Q1
Q4
Q3
Q6
CF2
C43
C47
C54
C55
C56
C57
C58
R218
IC802
Q5
C28
R21
C24
C848
1
7
29
30
8
14
28
22
21
15
R774
R773
R776
R228
R227
FW202
C36
R25
C38
CNS501
P20 5 - H
TO BATTERY
PWB
123456789
10 11 12 13
COR801
J22
E C B
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
B C E
B C E
R70
E
B
C
1
6
1
5
B C E
B C E
B C E
B C E
E C B
E C B
E C B
1 2 3
8
1
BK
WH
WH
WH
WH
BR
GY
GY
GY
GY
GY
BR
BK
BK
BK
BK
BK
BK
BK
B
A
VOLUME
A
B
C
D
SW203
X-BASS
A
B
SW201
FUNCTION
TUNER
TAPE
OFF
CD
ON
L3
AM BAR ANTENNA
MAIN PWB-A1
FW202
J201
HEADPHONES
1
5
1
5
C250
1
2
3
E
C
B
E
C
B
3
2
1
3
2
1
R772
R771
1
2
FW701
CNP201
SW774
SW773
SW772
STOP
SW771
PLAY
VR201
1
1
3
2
FW701
CNS802
CNS803
1
2
3
4
5
1
2
3
4
5
6
1
2
3
4
5
6
1
3
HEADPHONES PWB-A4
CD LID
OPEN/CLOSE
SW761
SWITCH PWB-A2
CNS801
7
8
123
BK
BK
TRACK UP/CUE
TRACK DOWN/
REVIEW
2
3
4
5
1
7
8
9
6
11
10
12
CNS502
TO BATTERY
PWB
VCO