Sony CFD-S250L Service Manual ▷ View online
CFD-S250L
21
21
IC B/D
IC B/D
C745
R707
CNP701
R701
R706
R712
C751
M702
M701
R744
C741
C732
R724
R709 R710
C703
C704
C704
C743
C731
R708
C708
C742
C740
C709
R731
R720
R719
R722
R727
R728
C744
R730
R729
C724
C720
C722
C723
C722
C723
C721
R717
R716
R718
R721
R716
R718
R721
FB701
C717
C735
R723
C728
C702
S701
C730
C707
C706
TP
TP
C711
C747
C746
C701
C739
IC702
JC702
JC701
C738
C705
C734
C736
JC703
C727
C726
C726
C725
C755
C754
IC701
X701
C716
Q701
CNP703
C733
C750
R733
R734
R735
R736
R734
R735
R736
R702
R703
R704
R705
R703
R704
R705
R746
R741
R711
R713
C719
C718
R747
R732
R714
R715
L706
C729
R738
R737
R726
R725
CNP702
R742
R743
6-6. SCHEMATIC DIAGRAM — CD SECTION — • Refer to page 20 for Common Note on Schematic Diagrams and page 33 for IC Block Diagrams.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : CD PLAY
no mark : CD PLAY
(Page 25)
(Page 30)
1
IC701
4
(RF)
500mV/div 0.5µsec/div
2
IC701
qd
(FE)
100mV/div 20µsec/div
3
IC701
qg
(TE)
100mV/div 20µsec/div
4
IC701
rk
(XOUT)
1V/div 0.05µsec/div
0.85±0.2Vp-p
Approx. 100mVp-p
Approx. 100mVp-p
1.8V
1.8V
3.2Vp-p
• Waveforms
(Mode: PLAY)
16.93MHz
CFD-S250L
22
22
6-7. PRINTED WIRING BOARD — TUNER SECTION — • Refer to page 17 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards.
D1
C-10
D2
D-8
D3
D-8
D10
B-12
D11
B-12
IC1
E-10
IC2
E-5
Q12
F-7
Q14
B-5
Q41
C-6
Q42
C-9
Q43
C-6
Q44
D-6
Q61
D-4
• Semiconductor
Location
Ref. No.
Location
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
14
1-688-455-
(11)
11
WHT
BLK
BLK
BLK
WHT
BLK
BLK
BLK
BLK
BLK
BLK
BLK
ANT1
FM
TELESCOPIC
ANTENNA
IC2
JC5
C1
R16
R61
R63
TP
(VT)
R59
C58
R60
C37
C70
C77
R13
C78
C24
JC6
JC4
C14
C43
C32
JC3
C8
CNP2
JC23
JC2
C61
R22
R50
R43
C40
R91
C51
C64
C56
C25
R56
C73
JC1
C93
R19
R58
C62
R17
R54
C11
C63
R12
R92
C5
R41
R64
C72
C48
C39
R30
C80
R40
R2
C22
C31
C55
C46
R1
R10
C59
C7
C6
C34
C95
R11
C71
R31
C57
C4
C41
R51
R53
C3
JC24
C35
R24
R3
C42
C33
C44
C20
D10
JC22
C15
C45
D1
R42
R18
R7
D2
R94
R32
C9
C30
R4
R93
C52
C2
C60
C66
R9
C68
Q41
Q43
Q12
Q44
Q14
Q42
D11
R66
R52
JC34
JC33
C18
JW3
JW9
JW4
JW13
JW8
JW7
JW11
JW10
JW12
C29
C21
C12
T2
C54
CT3
CT1
C10
C23
L1
D3
L4
JW5
L2
CF2
T1
TP
FM
IN
X1
JW6
-1
MW
-2
LW
L3 MW/LW FERRITE-ROD ANTENNA
IC1
JW2
CF4
Q61
CT5
C49
L21
C53
CNP1
(Page 24)
(Page 24)
CFD-S250L
23
23
IC B/D
IC B/D
C51
C52
C54
R54
C95
C56
C55
R60
R61
R59
R58
L21
R56
R4
C60
C68
C66
C18
C12
C9
C10
C8
C4
R2
R3
R11
C23
C34
D1
C35
C33
D2
C31
R31
C30
R41
C42
C39
R30
R32
C80
C37
R50
C22
R24
C20
C11
C1
C32
D11
D10
R94
C57
R51
C63
C62
C61
X1
R10
C29
D3
ANT1
C7
C58
R63
R52
C53
C59
R53
TP
CF4
CF2
R1
C15
C14
C77
C78
C21
C24
R12
C25
R93
R19
R22
R17
R66
C64
C93
Q14
Q12
CT1
C70
C40
CT3
C49
R40
C43
R7
C44
C71
C72
R18
C5
C6
R43
Q43
Q42
R42
Q41
C3
Q44
R9
CT5
C73
C48
C45
R16
C46
C2
L2
T2
L3
C41
L1
TP
CNP2
IC1
IC2
R92
Q61
R91
CNP1
L4
T1
R64
JC24
JC3
JC6
JC22
JC4
JC33
JC2
JC1
JC34
JC23
JC5
R13
6-8. SCHEMATIC DIAGRAM — TUNER SECTION — • Refer to page 20 for Common Note on Schematic Diagrams and page 34 for IC Block Diagrams.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : MW
[
] : LW
• Waveform
1.5Vp-p
1
IC2
w;
(XOUT)
0.5V/div 5µsec/div
75kHz
(Page 25)
(Page 25)
CFD-S250L
24
24
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
R804
R805
R862
R877
R876
C210
R206
R207
R208
R209
R210
R105
R106
R107
R108
R109
R110
R111
R112
Q122
Q222
Q224
Q124
D323
R324
R303
R304
R361
R212
R211
R360
R325
R326
R322
D322
R205
R104
R204
Q204
R221
R222
Q112
R121
R122
Q111
R120
Q205
R220
R119
R219
R880
R881
R882
R883
R884
R885
R886
R887
R888
R889
R890
R891
R892
R893
R894
R895
R896
R897
R898
R899
R818
R835
R844
R839
R832
R836
R845
R860
R843
R842
IC803
R849
R850
R856
C800
D801
Q815
R846
R838
R837
R827
Q814
R866
R833
R831
R829
R830
R828
R812
R825
R848
R811
R847
Q808
R855
R854
R817
Q812
R821
R820
M301
S301
R822
R868
Q813
D807
R834
R826
R814
R824
R815
R816
R823
R819
R807
R809
R802
R865
Q801
R803
Q806
Q819
R874
D804
R859
R953
R952
R951
Q953
D951
Q951
R961
R962
R963
R964
D810
D324
D953
R959
R333
C957
D957
R958
Q959
Q958
C951
R954
R955
R332
R331
R215
R115
R142
R242
R806
Q816
Q817
R861
R867
R869
R810
R808
R960
R841
R871
R878
R879
R800
R224
R124
C816
R840
R900
R408
R404
IC802
R813
FB301
R321
Q406
D802
Q804
R126
R226
IC801
IC804
R957
R956
R852
R853
R323
R872
JC301
JC302
JC303
JC304
JC305
JC306
JC307
JC308
JC309
JC310
JC311
JC315
JC316
JC317
JC318
JC319
R
873
R851
C811
C110
C324
C208
C108
C106
C206
S801
C205
C105
C124
C224
C218
C118
C824
C352
C350
C820
C815
C814
C821
C801
C818
C813
C812
C819
C960
C952
C810
C808
C809
C807
C839
C805
C806
C803
C804
C831
C832
C830
R306
R308
R305
C330
IC301
C117
C217
R301
R202
Q941
R203
Q942
R103
R101
R201
R307
R102
IC304
C101
C107
C109
C111
C112
C207
C209
C211
C212
C322
C323
C331
C204
C104
C221
C121
C120
C220
X801
C822
L802
L801
C802
C825
Q952
C326
C953
C959
Q957
Q955
KH321
CNP302
CNP803
CNP807
CNP802
CNP806
CNP804
X802
C325
C116
C302
JW
302
JW
303
JW304
JW
305
JW309
JW310
JW311
JW312
JW313
JW314
JW315
JW316
JW317
JW318
JW319
JW320
JW321
JW
322
JW324
JW325
JW
326
JW330
JW331
JW332
JW333
JW336
JW339
JW340
JW341
JW342
JW
343
JW344
JW345
JW346
JW347
JW348
JW349
JW350
JW351
JW
352
JW
353
JW
354
JW
355
JW
356
JW
357
JW358
JW361
JW362
JW363
JW364
JW365
JW366
JW368
JW369
JW370
JW
371
JW372
JW373
JW
374
JW
375
JW377
JW
378
JW381
JW
382
JW
384
JW
385
JW
386
JW
387
JW388
JW
391
JW383
JW392
JW
393
JW
394
JW395
C219
C119
JW337
JW338
JW329
KH301
JW
397
JW
817
CNP808
KH803
JW
379
JW
399
JW
327
JW334
JW398
CNB801
CNB805
JW
390
JW
037
JW335
SP201
SP101
JW
301
JW3100
JW
380
JW323
C304
C353
C338
C202
C201
C102
JW121
R116
R216
J321
JW407
CNP323
CNP322
6-9. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 17 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards.
(Page 20)
(Page 31)
(Page 22)
(Page 29)
(Page 29)
(Page 29)
(Page 29)
(Page 27)
(Page 22)
• Waveforms
3.2Vp-p
1
IC802
ug
(X2)
2V/div 10µsec/div
4.19MHz
2
IC802
ua
(XT2)
2V/div 10µsec/div
3.5Vp-p
32.768kHz
• Semiconductor Location
D322
D-2
D323
B-2
D324
D-5
D801
G-5
D802
G-9
D804
G-10
D807
F-10
D810
H-2
D951
D-10
D953
C-6
D957
B-7
IC301
E-3
IC304
C-3
IC801
D-6
IC802
F-7
IC803
F-5
IC804
E-5
Q111
G-4
Q112
F-4
Q122
C-3
Q124
B-3
Q204
F-4
Ref. No.
Location
Q205
G-4
Q222
C-4
Q224
B-3
Q406
H-10
Q801
G-8
Q804
F-9
Q806
F-9
Q808
E-9
Q812
F-9
Q813
F-9
Q814
D-8
Q815
D-7
Q816
G-2
Q817
G-2
Q819
G-9
Q941
F-2
Q942
E-2
Q951
D-10
Q952
E-9
Q953
D-9
Q955
B-5
Q957
B-6
Q958
B-5
Q959
B-6
Ref. No.
Location
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