Read Sharp CD-C420H Service Manual online
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421
– 16 –
Figure 16 WIRING SIDE OF P.W.BOARD (1/4)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• The numbers
1
to
12
are waveform numbers shown in page 30.
TO TAPE MECHANISM PWB
P18 1-A
CNPM1
CNSM1
RD
1
2
3
4
5
6
7
8
9
10
11
12
WH
GY
WH
GY
WH
GY
WH
TO SENSOR PWB
CNS10
TO TAPE MECHANISM
CNS101
HEADPHONS PWB-A3
DISPLAY PWB-A2
P19 7-H
P18 1-H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
CNP101 3
2
1
STOP
XL701
8
1
BIM01
10 9 8 7 6 5 4 3 2 1
R773
R771
R759
C717
R99
R765
R769
R775
R98
L700
R760
R799
R711
R603
C718
R726
R727
R703
R705
R707
R709
R731
R743
R735
R702
R724
R708
R714
R748
R746
R706
R712
R704
R747
R745
C704
C703
C701
R761
C705
R722
R772
R717
R719
R721
R713
R715
R716
R718
R720
R723
R725
R762
R766
C708
R779
R734
R741
R781
R780
R776
R786
R785
R798
R795
R795
R767
R782
R737
R730
R754
R732
R733
R757
R756
R751
R750
R738
R774
R70
R755
R739
R752
R740
R744
R797
R742
R753
420H
ONLY
ONLY
R96
R788
C95
R54
R30
R25
R24
R
C51
C46
C54
C56
C55
C57
R77
R78
R154
R141
C58
R152
R137
R135
C129
R71
R72
R79
R153
C139
R139
R145
C131
R131
C119
R125
C127
R123
R121
C117
C123
C113
C111
R101
C101
R701
Q701
C710
C711
FL701
RX701
Q706
D702
R758
C706
Q705
D709
D708
CNP10
C91
C92
R97
IC91
D91
Q91
R95
Q93
C715
R789
R792
R793
R749
C702
R794
L701
D701
Q707
D703
C707
Q708
Q709
ZD701
C709
D704
D706
D705
R763
R777
R836
420H ONLY
R835
C843
C844
C855
R764
R133
R172
R768
R736
D5
D7
R49
SW711
R82
C96
C43
R778
R88
R87
R61
R783
C44
C18
C19
C81
C52
Q81
R86
L1
C
C59
XL1
C135
Q121
C
C141
C133
C128
C121
L107
405W:JUMPER
420:L107
420:L107
420H
ONLY
ONLY
C1
R
R1
R109
Q111
Q110
C453
C80
C454
R811
R809
IC701
5
10
15
20
24
25
30
35
40
41
45
50
55
60
64
65
65
70
75
80
IC701
5
10
15
20
24
25
30
35
40
41
45
50
55
60
64
65
65
70
75
80 1
SW717
POWER
TIMER/SLEEP
SW719
SW718
CLOCK
9
8
7
6
5
4
3
2
1
B
1
2
3
2
3
C
E
B
C
E
SW714
TUN-UP
SW715
TUN-DOWN
SW721
MEMORY/SET
1 2 3
B C E
PLAY
SW712
SW725
VIDEO/AUX
SW724
TAPE
SW710
UP
SW705
OP/CL
SW706
D-SKIP
SW709
REC/PAUSE
SW713
DOWN
TUN
SW723
CD
SW722
SW704
VOL-UP
SW703
X-BASS
SW702
VOL-DOWN
SW701
RANDOM/DEMO
1 2 3
B C E
B C E
1 2 3
IC5
1
5
10 15
18
36
35
30
25
20
19
E C B
B C E
1 2
1 2
5
10
15
16
17
20
25
30
32
33
33
35
40
45
48 49
50
55
60
IC2
HEADPHONES
JK801
420H
ONLY
ONLY
6
5
4
11
Click on the first or last page to see other CD-C420H service manuals if exist.