CD-C421H (serv.man4). Schematic diagrams and PWB layouts - Sharp Audio Service Manual (repair manual)

cd-c421h (serv.man4) service manual
Model
CD-C421H (serv.man4)
Pages
17
Size
1.73 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Schematic diagrams and PWB layouts
File
cd-c421h-sm4.pdf
Date

Read Sharp CD-C421H (serv.man4) Service Manual online

– 21 –
CD-C421H / C411H
Figure 21 WIRING SIDE OF P.W.BOARD (1/6)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
FL701 
SW706
TAPE
(TAPE1      2) 
SW705
TUNER
(BAND)
SW707
VIDEO/AUX  
SW704
CD 
FW701
CNS701
CNS701
L702
3
1
3
1
SW701
ON /STAND-BY
SW708
EON  
SW711 
DISPLAY MODE
SW710
ASPM 
SW709
PTY.TI
SEARCH  
C701
SW702
CLOCK  
SW703
TIMER/
SLEEP  
SW724
REW
PRESET DOWN  
R746
R747
SW719
MEMORY/ 
SET  
SW716
STOP 
R732
R733
R734
R736
R756
R750
R728
R727
R726
R740
R739
R749
R748
R735
R737
R752
XL701 
R770
C711
Q703
B
C
E
B
C
E
E
C
B
Q701
Q704
L701
D704
R718
R719
R716
R717
Q702
D705
SW717
FWD
SW726
DISC
SKIP 
SW725 
OPEN/
CLOSE  
C712
C716
SW720
TUNING DOWN
/TIME  
ZD701 
RX701 
D703
D702
D701
FW703
C719
C718
C717
C715
R789
SW714 
VOLUME 
UP 
SW722 
X-BASS/ 
EQUALIZER 
SW721
VOLUME
DOWN  
SW712 
REC PAUSE 
SW718 
FF
PRESET UP
SW713
TUNING UP
/TIME 
SW715
RANDOM/ 
DEMO 
41
40
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
2
1
FW702
9
1
CNS702
9
1
CNS701
1
5
10
15
20
24
25
30
35
40 41
45
50
55
60
64
65
70
75
80
IC701
R708
R709
R710
R712
R711
R713
R714
R764
R766
R765
C702
C710
C709
R702
R703
C703
C704
C705
C706
C708
C707
R730
R754
R707
R706
R745
R744
R731
R705
R701
R725
R724
R723
R722
R721
R720
R729
C714
R767
R715
R788
R791
R796
R797
C713
C720
R794
R790
3
2
1
3
2
1
R795
R769
R793
R792
R768
R751
R738
R759
R760
R741
DISPULAY PWB-A2
SWITCH PWB-A3
TO MAIN PWB
P22  4-A
TO MAIN PWB
P23  10-A
CD-C421H / C411H
– 22 –
• The numbers   
  to  
12 
 are waveform numbers shown in page 20.
Figure 22 WIRING SIDE OF P.W.BOARD (2/6)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
CNSM1
CNPM1
TO TAPE MECHANISM PWB
P24  5-D
TO DISPLAY PWB
P21 2-B
RD
WH
GY
WH
GY
WH
GY
WH
1
2
3
4
5
6
7
8
9
10
11
12
IC501 
CNP502
IC961 
C991
Q
C602
C603
C604
C605
C606
R510
L501
R568
C571
C572
C609
R628
D601
L601
C607
R633
R637
R626
R625
R624
R622
R621
D602
D942
C941
C948
C949
R975
R984
R985
C983
C925
4
O
C989
C986
C987
C985
R983
CNS902
L961
C967
C963
C965
C978
C980
R972
R973
C976
C964
C979
C977
R971
C973
C969
C974
C968
LUG962
C988
C997
C990
L962
R986
C970
C942
C966
Q941
F941
T500mA L 250V
R944
C947
C944
IC941 IC942 
LUG961
R563
Q576
Q575
R577
C563
C561
C555
C544
C539
C565
C564
C562
C556
C558
C946
C945
C943
D943
Q515
Q516
R535
C531
C540
C532
R536
R520
CNP501
C584
C570
Q571
E
C
B
B
C
E
B
C
E
B
C
E
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
1
2
3
1
2
3
E
C
B
E
C
B
E
C
B
Q511
Q514
Q512
Q513
CNS703
Q565
Q583
Q582
Q581
C583
C581
Q584
Q566
D941
L942
C557
R981
L963
R982
CNS902
FW902
C975
1
2
3
2
3
4
5
6
7
2
3
FW703
1
9
JK961
HEADPHONES
HEADPHONE PWB-A4
SO961
SPEAKER TERMINAL
 FRONT
SPEAKERS
421H:5.4 OHMS MIN.
411H:8 OHMS MIN.
RIGHT
LEFT
RIGHT
LEFT
 REAR
SPEAKERS
16 OHMS MIN.
CNS501
CNS502
TO
TAPE MECHANISUM
TAPE1 HEAD
P24  4-H
CNS901
TO
POWER PWB
P24  2-B
TO
TAPE MECHANISUM
TAPE2 HEAD
P24  5-H
SHASSIS
GND
SHASSIS
GND
IC
R611
C608
R629
R639
R641
R634
R632
R627
R518
R516
R515
R517
C533
R531
C537
R533
C535
R537
R539
R551
C551
R555
R559
R557
C513
C543
R553
C553
C559
C503
1
5
10
12
13
15
20
24
R519
C519
R562
R578
R576
R575
C566
R561
R560
C560
R554
C554
R542
C520
C504
R502
C511
R570
R569
R571
C512
R501
C514
R965
R961
C961
C962
R962
R966
R968
C923
C924
C926
C984
C921
R967
C922
R969
C972
1
1
1
5
5
2
3
1
2
3
1
B C E
2
3
4
5
6
7
8
9
10
11
12
13
14
R565
C552
R552
R558
R556
R540
R538
R534
C536
C538
C534
R532
R541
C502
C501
R566
R567
R585
C582
R582
R581
R584
R513
R512
R514
R511
R583
50
55
60
64
65
70
75
80
– 23 –
CD-C421H / C411H
Figure 23 WIRING SIDE OF P.W.BOARD (3/6)
7
8
9
10
11
12
11
5
3
9
8
6
4
2
1
10
12
7
TO DISPLAY PWB
P21  2-F
CNP3
CNP1
C13 
C9
C8
C7
C6
C3
C5
CNP303
R39 
C17 
C18 
R29 
CNP2
C21 
CNP10 
D91 
Q91 
Q93 
R99 
CNS702
C44 
C96 
C91 
IC91
C67 
C43 
C68 
C19 
R27 
R26 
C34 
C45 
C35 
C52 
C2
C40 
C39 
C24 
Q1
C50 
C11 
C37 
L1
C42 
R18 
C41 
C408
C405
C407
C403
C406
C416
C404
R426
R427
R425
C415
C455
C421
C401
C423
C425
C427
C429
C431
C445
R411
C422
C424
C585
C586
C426
C428
C430
C432
D401
C447
C991
C449
C450
C451
SO401 
C452
C446
C448
R432
R431
C454
C402
C458
R79 
R72 
R77 
R71 
R70 
R78 
D81 
CNP901
R601
R54 
XL1 
C59 
Q602
Q601
XL601 
D2
D7
D5
C602
CNS601
C603
C604
D601
607
33
421H
ONLY
E
C
B
B
C
E
2
3
4
5
6
7
8
1
18
19
20
25
30
35
36
5
10
15
FW702
3
2
1
1
1
9
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
9
10
B
C
E
E
C
B
MAIN PWB-A1
RIGHT
LEFT
VIDEO/AUX
CNS10
TO CD MECHANISM
P25  8-E
TO CD MECHANISM
P25  8-C
TO CD MECHANISM
P25  8-G
TO CD MECHANISM
P25  8-C
CNS2A
CNS3A
CNS1A
CNS303
TO TUNER PWB.
P26  8-C
IC5 
IC2 
IC1 
IC401 
IC601 
R2
R3
R4
R5
R11 
R7
R28 
R19 
C15 
C12 
R17 
C14 
R16 
R15 
R14 
R13 
R12 
R9
C10 
R8
C411
R413
R415
C417
R417
C4
R6
R43 
R42 
R25 
R24 
R21 
R23 
R22 
C16 
R20 
C25 
R40 
R10 
R95 
R88 
R31 
R30 
C20 
C95 
R96 
R98 
1
2
3
4
5
6
7
8
9
R97 
C31 
R35 
R37 
R32 
R33 
C30 
C53 
R61 
R82 
C51 
C92 
R86 
R87 
C56 
C54 
C55 
C57 
C22 
R58 
R57 
C33 
R38 
R41 
R56 
C32 
R36 
R34 
R60 
R47 
R46 
R45 
C38 
C1
R1
R402
R406
R404
R408
R418
C418
R416
C94 
C70 
R76 
R74 
R407
R405
R403
R401
C444
R420
C442
C453
R421
C443
C441
C457
C456
R412
C412
R414
R75 
C69 
R73 
C93 
R609
R610
R611
R605
R603
R612
R613
R614
R615
R616
R617
R619
R620
R604
R618
R606
R607
R608
C608
R629
R639
R641
R634
R642
R635
R643
R636
R623
C601
R631
R602
R638
R644
R630
R640
C984
1
5
10
15
20
25
30
35
45
55
60
64
48
49
40
32
33
16
17
1
5
10
15
20
25
30
35
45
55
60
64
48
49
40
32
33
16
17
1
5
4
3
2
1
5
10
15
20
25
30
35
45
55
50
60
64
48
49
40
32
33
16
17
1
5
10
15
20
24
30
35
40
41
45
50
55
60
70
75
80
25
CD-C421H / C411H
– 24 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 24 WIRING SIDE OF P.W.BOARD (4/6)
R
CNPM1
CNPM2
1
2
1
2
FWM1
FWM2
SWM3
SWM4
F. A. S
F. P.
1
2
3
4
5
6
7
8
9
10
11
12
3
4
2
1
PHM1
1
7
1
2
3
4
5
6
7
RD
WH
BK
WH
BK
WH
BK
D903
D901
CNS901
TF901
PT901
POWER TRANSFORMER
S0901
AC POWER
INPUT SOCKET
L901
CORE
AC 230V/50Hz
R904
R902
ZD902
C903
R905
C908
F901
T3.15A L 250V
F902
T1.6A L 250V
D904
D902
C907
C909
D908
D906
C905
C906
D910
C904
D905
D907
C910
R901
D911
D909
C902
Q901
ZD901
B
C
E
C901
R903
R907
R906
CNSM1
TO MAIN PWB
P22  2-A
CNP901
TO
MAIN PWB
P22  3-F
MM1
TAPE MOTOR(203-7)
WH
BK
SOLM1
SOLENOID
(203-8)
+
-
SWM5
CAM
BK
WH
TAPE MECHANISM
PWB-D
POWER PWB-B
WH
PK
BK
TAPE 1
PLAYBACK HEAD(203-6)
TAPE 2
 ERASE HEAD(203-5)
RECORD/PLAYBACK
HEAD(203-6)
YL
WH
BL
PK
WH
BK
GY
GY
GY
BL
CNS502
CNS501
YL
WH
BK
PK
WH
BK
7
6
5
4
3
2
1
2
3
1
WH
BK
PK
CNP502
TO MAIN PWB
P22  2-C
TO MAIN PWB
P22  2-B
CNP501
When Servicing, pay attention as the area enclosed by this line
(              ) is directly connected with AC main voltage.
Page of 17
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Here you can read online and download Sharp CD-C421H (serv.man4) Service Manual in PDF. CD-C421H (serv.man4) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp CD-C421H (serv.man4) System. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.