Sony CDX-A251C Service Manual ▷ View online
25
25
CDX-A251C
CDX-A251C
• Refer to page 20 for Waveforms.
3-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/4) — • Refer to page 31 for IC Block Diagrams.
IC B/D
IC B/D
X51
C479
C401
C4
L1
C406
C402
C403
JC1
JW126
JW60
JW403
JW167
FB410
FB411
C51
R479
C412
R405
R406
R407
R408
R409
R330
R331
R332
R333
R431
R451
R441
R461
R432
R452
R442
R462
C5
R1
C471
C481
R471
R481
R472
R482
R4
R8
R9
R60
R61
R401
JW102
C13
C12
C6
C58
C57
C56
C55
C54
C53
C62
C59
C410
C411
C413
C330
C331
C484
C474
C435
C432
C455
C452
C445
C442
C465
C462
JC403
JC402
R335
IC51
C407
C404
C405
R29
R7
C2
C1
R5
C7
R51
C60
R55
R411
R410
JC752
C461
C441
C451
C431
TU1
R6
C3
R2
R3
R12
R13
FB1
R53
R57
R56
J1
J330
JW
84
JW
85
R59
L51
R54
R52
R58
IC401
Q1
D1
Q22
Q51
Q431
Q451
Q441
Q461
Q481
Q471
Q479
Q478
D479
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26
CDX-A251C
CDX-A251C
3-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/4) — • Refer to page 33 for IC Block Diagrams.
IC B/D
R633
R632
R634
JW52
R654
R652
R651
R609
JW53
JC795
JW111
D751
D752
C753
R752
C758
C752
C754
C771
C770
C755
JC753
C769
JC754
JC755
C750
C751
C775
C765
C764
C774
C617
C618
C602
C601
R653
JC756
C756
C763
D753
D754
D755
D756
D757
D758
D601
D762
D761
D760
D759
R631
C631
C776
IC750
FU601
L601
CN601
Q651
Q631
D609
D651
D617
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27
CDX-A251C
CDX-A251C
• Refer to page 20 for Waveforms.
3-11. SCHEMATIC DIAGRAM — MAIN SECTION (3/4) — • Refer to page 36 for IC Pin Descriptions.
R673
R510
C301
R570
FB303
FB302
FB307
D510
R514
R534
R557
R548
R528
R505
R504
R544
R522
R521
JW145
JW146
JW127
R565
JC501
JW28
R506
JW148
R575
R577
JW86
JW125
JW120
R542
R547
R578
JW48
JW49
JW45
JW149
R661
R662
R663
JW99
R691
R756
R555
R554
R301
R302
FB605
R508
R503
R502
C503
R531
R517
R518
R519
R675
R676
R757
R545
S502
R568
C343
FB305
C312
C306
C510
C507
C508
C308
L301
FB304
C504
C501
C513
C509
R561
R567
JC504
R681
R677
R509
R566
L501
C511
R539
C302
C310
C309
FB309
FB310
C305
C512
R671
C502
C514
FB501
R532
R512
R513
R679
D512
R529
R543
R636
R563
R674
R672
R692
R553
R558
CNP301
FB308
JC527
X501
X502
D511
R564
R556
D501
C516
R664
R511
R694
R573
R538
R507
R537
R551
R546
R533
IC501
Q664
D502
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28
CDX-A251C
CDX-A251C
3-12. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 33 for IC Block Diagrams.
IC B/D
R583
R582
C623
C683
FB563
FB562
JW41
JW116
JW36
JW37
JW43
CN701
C561
R910
R904
R903
R902
R901
R907
JW140
R911
R914
R912
R913
C555
C556
R584
C581
R580
R581
R591
FB606
R601
C903
C580
C582
C681
C682
C905
C912
C911
FB603
C519
C917
C918
IC602
C902
C901
R905
R906
JC502
R678
JW47
R587
R588
JW134
R590
D583
IC580
S702
FB604
TH580
Q586
Q580
D582
D584
D580
D581
Q587
CN580
J561
IC901
IC681
D903
D719
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