CD-BA250 (serv.man7). Part 4 - PWB assemblies (31-37) - Sharp Audio Service Manual (repair manual)

Model: CD-BA250 (serv.man7)
Pages: 7
Size: 829.39 KB
Type: PDF
Document: Service Manual
Brand: Sharp
Device: Audio / System / Part 4 - PWB assemblies (31-37)
File: cd-ba250-sm7.pdf
Date: 2018-11-20

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Read Sharp CD-BA250 (serv.man7) Service Manual online

– 31 –
CD-BA250H/CD-BA2600H
Figure 31 WIRING SIDE OF P.W.BOARD (1/7)
7
8
9
10
11
12
When Servicing, pay attention as the
area enclosed by this line (             ) is
directly connected with AC main voltage.
LUG1
LUG2
L801
PT802
SUB POWER TRANSFORMER
R804
FROM
DISPLAY
PWB
P34  3-H
C805
D801
C803
R801
D806
R802
Q801
CNS803
CNP803
R803
D802
D803
D804
D805
C802
RL801
C801
R984
R983
C908
D906
C909
C911
R904
D908
R978
R977
D907
ZD903 
ZD901
C913
R905
R907
R906
C912
Q901
F904
T2A  L 250V
F903
T2A  L 250V
F901
T4A  L 250V
F902
T4A  L 250V
PT801
MAIN POWER TRANSFORMER
D903
D904
D905
D902
C906
C905
ZD902
C902
D901
C901
CNP902
CNS902
C910
TRANSFORMER PWB-A3
AC POWER 
SUPPLY CORD
AC 230 V, 50 Hz
T.F
POWER PWB-A2
1
2
3
4
5
6
7
8
9
B C E
10
FROM
MAIN PWB
P33  11-F
6
5
4
3
2
1
BL
BR
E C B
B R
COLOR  TABLE
R D ( R )
O R
Y L
G R
B L
V L
G Y
W H ( W )
B K
P K
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
VIOLET
GRAY
WHITE
BLACK
PINK

CD-BA250H/CD-BA2600H
– 32 –
Figure 32 WIRING SIDE OF P.W.BOARD (2/7)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
JK690
VIDEO/AUX IN
SO302
FM ANTENNA
TERMINAL
R-CH
L-CH
FM
75 OHMS
AM LOOP
ANTENNA
2
1
2
1
1
2
RD
BR
R-CH
L-CH
1
1
2
3
4
5
6
7
8
2 3
1 2 3
E
C
B
B
B C E
C
E
4 5 6 7 8 9
10 11
12
22 21 20 19 18 17 16 15 14 13
1 2 3
1
B C E
E
E
C
B
C B
1 2
B
B C E
E C
B
C
E
B
3
2
1
1
2
3
C
E
E
C
B
B
C
E
B
C
E
2
1
3
2
3
4 5 6 7 8 9
10 11 12
24 23 22 212019 1817 16 15 1413
1
2
3
4
5
6
7
8
9
16
15
14
13
12
11
10
1
24
1
2
B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
C E
TP302
TP301
C301
C346
D303
D304
C348 C302
R399
R349
R347
CF301 
R346
R344
C345
R345
R369
C347
C384
X352
C382
Q301
R348
C381
C394
C397
C341
R381
L342
FE301
R373
R374
R372
R379
C387
R378
C392
R377
C380
L351
R393
Q360
R382
C385
C393
R380
C386
R359
R360
R388
R376
R387
R384
R386
C391
R385
R383
R392
T351
C398
CF351
C352
CF352
C396
C395
R391
R395
ZD351 
C370
C388
C356
CT29
RT26
QT21
RT25
RT24
CT28
RT23
RT22
LT22
CT31
CT27
XT21
ZDT21 
CT21
CT22
CT24
CT30
CT25
CT23
CT26
RT27
RT21
LT21
C610
R606
C608
C606
C607
C652
C651
C601
C603
C650
R6
R602
C609
R603
R601
RT28
RT30
RT29
CT32
R363
R364
C373
C374
C372
R355
C355
C358
C357
R353
C354
C353
R352
C350
C366
C399
C389
R351
IC303
R370
X351
R356
C371
C368
R357
C363
R350
C365
C364
R358
C367
CF302 
R365
C342
C361
C362
C321
C334
R336
C335
C332
R323
T306
D301
D302
L341
CNP302
CT1 
C693
C323
T303
C338
C340
C330
C331
D690
VD301
R691
C691
R693
D691
JK690 
C964
C961
C959
C965
R620
R617
C690
R690
R692
C637
Q906
CNP971
R970
C968
R971
R972
D915
R963
C957
C955
Q914
C967
R973
R969
R615
R605
R613
Q601
R621
R611
C635
C639
Q603
R619
Q903
C947
R953
R931
C935
R951
LG1
R935
Q602
C636
R610
R614
R612
C638
Q604
R616
R604
R618
Q905
Q904
D913
Q908
Q907
C969
D911
C939
C937
R939
R937
C933
R933
C931
C941
C945
R957
R943
C940
C946
C949
R930
D912
R952
C930
C934
R954
C948
Q902
R903
R908
R932
C932
R936
R938
C936
R934
C938
C942
R942
R944
ZD904 
C915
R909
C916
C918
IC902
C903
R902
R901
R956
R940
R958
IC901
C952
C950
R950
R946
R948
R947
R945
R949
R955
R941
C953
C951
RL914 
D914
R959
R968
R967
R961
L920
C963
L921
C962
R960
C956
C954
C960
C958
R962
CNS971
SO901
SPEAKER
TERMINAL
M901
FAN MOTOR
IC302
C369
L354
R370
C640
ICT1

– 33 –
CD-BA250H/CD-BA2600H
Figure 33 WIRING SIDE OF P.W.BOARD (3/7)
7
8
9
10
11
12
TO DISPLAY PWB
P35  11-A
28
1
GY
WH
GY
WH
GY
WH
GY
WH
GY
RD
10
9
8
7
6
5
4
3
2
1
TO POWER PWB
P31  9-H
1 2 3 4 5 6
GY
WH
GY
WH
GY
RD
TO CD SERVO PWB
P36  5-A
FROM
TAPE2
RECORD/PLAYBACK
ERASE HEAD
FROM
TAPE1
PLAYBACK HEAD
P37  10-F
P35  11-F
MAIN PWB-A1
HEADPHONES PWB-B2
1 2 3 4 5 6 7 8 9
10 1112
24 23 22 21201918 1716 15 1413
1
2
3
B C
E
B C
E
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
1
1
1
2
3
4
5
6
7
E
C
B
E
E C B
E C B
E C B
E C B
E C B
E C B
3 2 1
3 2 1
C
B
E
C
B
1
2
3
2
3
1
2
3
4
5
6
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
B R
COLOR  TABLE
R D ( R )
O R
Y L
G R
B L
V L
G Y
W H ( W )
B K
P K
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
VIOLET
GRAY
WHITE
BLACK
PINK
1
10
B
C E
1
2
3
1
2
3
1
1
2
3
4
5
5
JK701
HEADPHONES
CNS902
T22
CT24
CT30
C610
R606
C608
C620
C618
C616
C606
C614
C612
C622
R608
C626
C624
R609
C625
R138
C134
R135
R158
R139
C128
Q108 C132
R132
C126
C130
R134
Q107
R137
R131
C131
C129
R133
C133
C135
C125
R127
R129
C123
R121
C119
C127
C150
R123
C117
R130
R126
R136
C115
R119
R125
R117
C109
C111
C113
R115
C107
IC101
R106
R104
R103
R111
R105
R144
R143
Q104
Q102
Q101
C137
Q111
Q103
R145
L103
C139
C138
C103
R112
CNP102
C104
R128
C124
C121
C122
L102
L101
C108
R116
C110
R101
R113
C105
R107
R108
R109
R110
R102
R114
Q105
C106
Q106
C112
R122
C120
C118
R118
C116
R120
R124
C114
CNP101
C101
C102
C623
C621
R623
R622
BI601 
C611
C605
C607
C652
C651
C601
C603
C650
IC601
C617
C619
C615
C613
R607
602
C609
R603
R601
CNP701
ZD904 
C915
R909
C916
C918
C902
IC903
C920
D916
IC904
C923
C921
D917
C907
Q114
Q113
R149
R148
C141
R147
R146
C136
Q112
R141
R140
C140
Q109
R142
Q110
C970
BI902
R988
R981
R986
R982
ZD905
C904
C903
CNS601 
CNP7 
CNP902
C735
C734
CNP981
FFC701
CNS701
FW981

CD-BA250H/CD-BA2600H
– 34 –
Figure 34 WIRING SIDE OF P.W.BOARD (4/7)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
TO
CD SERVO PWB
P36  4-A
P37  8-A
8
9
8
7
6
5
4
3
2
1
1
DISPLAY PWB-B1
TO TAPE MECHANISM PWB
TO POWER
PWB
P31  12-C
B R
COLOR  TABLE
R D ( R )
O R
Y L
G R
B L
V L
G Y
W H ( W )
B K
P K
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
VIOLET
GRAY
WHITE
BLACK
PINK
WH
GY
WH
GY
WH
GY
WH
GY
RD
2
3
1
1
1
2
3
1 2 3
6 7 8 9
10 11 12 13 14 15 16
2
3
1
9
B
C
E
B
C
E
B
C
E
2
3
4
8
7
6
5
1
4
6
5
7
8
1
3
2
1
1
6
E
C
B
E
C
B
E
C
B
2
3
4
7
8
5
6
GY
WH
GY
WH
GY
RD
CNP8
CNS8
FFC702
CNS803
CNP803
BI701
R566
R570
R568
C565
R567
R565
Q701
Q702
Q703
C701
C702
RX701
R571
C564
R751
R750
R749
R748
R747
R746
C715
R702
R703
R704
R708
XL70
RD06
SW716
EQUALIZER
RD15
RD08
SW731
VIDEO
RD07
SW707
DISPLAY
MODE
C714
D715
Q709
L701
R781
R782
RD16
D709
D711
RD30
R579
C563
D712
D561
C566
C717
R569
R783
C716
Q707
SW717
VOLUME
UP
D714
D713
Q708
D710
R778
R777
D562
R572
C570
R577
C571
R580
ZD561
C573
Q706
SW715
X-BASS
C712
R779
IC561
IC562
D563
R563
C561
D716
C562
R561
R562
C572
C568
R576
SW713
OPEN/CLOSE
C569
R574
C567
R573
R575
R578
SW712
DISC
SKIP
C719
RD09
RD12
RD11
D717
IC905
C718
BI803
RD10
SW718
VOLUME
DOWN
CNS702

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Download Sharp CD-BA250 (serv.man7) Service Manual (Repair Manual)

Here you can read online and download Sharp CD-BA250 (serv.man7) Service Manual in PDF. CD-BA250 (serv.man7) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp CD-BA250 (serv.man7) 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.

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