Sony STR-DE885 / STR-DE985 Service Manual ▷ View online
STR-DE885/DE985
21
21
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
L
: VIDEO (AUDIO)
I
: VIDEO
J
: CD (ANALOG)
c
: CD (DIGITAL)
• Abbreviation
CND : Canadian model.
E23
E23
: AC 120/220/240V area in E model.
MX
: Mexican model.
for printed wiring boards:
• X
: parts extracted from the component side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
4-2. CIRCUIT BOARDS LOCATION
• Abbreviation
CND : Canadian model.
E23
E23
: AC 120/220/240V are in E model.
MX
: Mexican model.
MAIN board
STANDBY board
VIDEO board
COMPONENT board
S-VIDEO board
SPEAKER board
AC SELECT board
DIGITAL board
POWER board
HEADPHONE board
VIDEO3 board
OPT3 board
DISPLAY board
JOG board
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
• Waveforms (DIGITAL Board)
1
IC1301
ws
(XIN)
1V/DIV 50nsec/DIV
80nsec
2
IC1306
2
1V/DIV 20nsec/DIV
3
IC1501
qs
(MCLK2)
1V/DIV 50nsec/DIV
13.59MHz
4
IC1551
<zc.
(MCLK2)
1V/DIV 50nsec/DIV
13.5MHz
5
IC1551
0
(SCKOUT)
1V/DIV 20nsec/DIV
40nsec
6
IC1101
tj
(X1)
1V/DIV 20nsec/DIV
16.5MHz
3.6Vp-p
24.576MHz
3.6Vp-p
3.2Vp-p
3.2Vp-p
4.0Vp-p
3.2Vp-p
• Waveform (DISPLAY Board)
1
IC101
e;
(CLK)
1V/DIV 0.2µsec/DIV
0.48µsec
3.5Vp-p
• Waveform (VIDEO Board)
1
IC252
9
(XS)
1V/DIV 20nsec/DIV
14.31818MHz
4.2Vp-p
STR-DE885/DE985
22
22
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
C702
J701
CNP701
TP700
IC
40
1
R428
Q422
C423
R
421
R4
22
Q
421
C424
R424
IC400
C421
R
427
C
425
C
426
R
433
R43
4
R43
6
Q
42
7
R
426
Q425
Q
426
C427
D42
5
Q472
C473
C474
C475
R477
R478
Q475
R471
R
472
Q
471
R4
76
Q
4
76
R
483
C803
C
NP
803
IC730
C
731
R
731
R
733
R
73
4
R
736
R73
5
Q672
C673
C674
R674
R
671
R
672
Q
671
C671
R
677
C675
Q
675
Q676
R
687
R
679
R
683
R
680
R
684
R
685
R
682
C676
D675
Q677
C677
C523
Q522
C524
Q
521
R
521
R
522
Q
525
R527
C525
C521
R528
Q
526
C526
D
525
R
533
R
534
Q
527
C527
R536
C4
76
D
475
R
484
D
476
Q
477
C477
R
485
R
486
C471
R474
R524
R4
79
R
429
C414
C41
3
C463
R416
C416
IC500
IC600
C461
C411
C466
C514
C563
C564
C513
C511
C561
R
516 C516
C566
R
566
C614
C611
C661
C666
C616
R616
R665
R
466
Q
75
3
D753
D752
R754
R
752
R751
C751
C752
D
751
Q
751
Q
752
R
732
C415
C615
C665
C612
C
662
R
662
R
611
R
612
C613
C663
C664
R600
C512
C562
R
512
R
562
C565
R565
C465
R
412
R411
R
461
R
462
C412
C
462
R
529
C515
R
515
R
530
R
537
R526
R
400
R4
30
R
437
R
480
R487
R
676
R678
JW
102
JW
103
JW
114
JW
115
JW
116
JW117
JW118
JW
130
JW
131
JW
132
JW164
R
615
R
301
R
302
R
303
R
352
C
302
C303
C352
C353
C305
R
304
R
306
R
307
R309
R
355
R
356
R
358
C304
C308
C354
R361
R
311
C361
C311
R362
R
312
R363
R
313
R
314
R315
R
316
R317
R318
R
364
R
365
R
366
R
367
R368
C316
C364
C366
R371
R
319
R369
R321
C319
C369
C321
C371
R
320
R181
RY130
R654
C654
R451
R
401
R
551
R
501
R
651
R601
C601
C651
C501
C551
C401
C451
R
370
R
322
R
372
R452
R402
R552
R
502
R
652
R602
R
132
R
182
C123
C124
R
134
IC103
D130
D
301
R835
Q351
Q
130
R
398
R336
R
136
C422
C420
C544
C694
C494
C594
C394
Q
771
Q721
Q
722
R
721
R545
R495
R694
R644
C693
Q641
C643
R544
Q541
C543
Q591
C593
Q441
Q491
JW
112
R
737
D73
6
Q724
JW
110
JW
1
09
JW
108
R425
R473
R475
R
523
R525
R
673
R675
JW
104
D
426
JW
127
JW
128
JW
129
JW
120
JW
119
C741
C742
R
511
R
561
JW
126
R535
JW
105
RY351
R
838
Q
881
R839
D881
R390
R490
R
500
R
661
C309
C359
R881
C571
Q
571
R571
R574
Q572
C573
R
573
R
572
R578
Q
575
D575
C576
R
588
D
576
R
583
Q576
Q577
R584
C577
R
586
R585
R
580
R587
R575
C621
Q623
Q622
R624
Q621
R
621
R622
C623
R623
R628
C624
R625
Q
625
D
626
R
579
R
629
R
633
D625
C626
Q626
R630
R
637
R
632
C627
Q
627
R
646
R
636
C481
C431
C631
C681
C581
IC811
IC812
C811
C812
C813
C814
R397
C438
C491
R423
C625
R626
D
676
JW
121
C467
C468
C478
C479
R135
C360
C356
C306
C307
JW471
JW472
JW
47
3
JW520
JW
521
JW
482
JW527
JW
826
JW
8
29
JW
830
C8
04
JW
560
JW
H
806
JW
H
807
JW
H
808
JWH809
JW
H812
JW
H813
JW
H
815
JWH816
JWH818
JWH820
JWB801
JWB802
IC813
C815
J301
J304
R444
R445
IC301
C432
C721
R
739
R7
38
JWH823
Q624
Q573
Q574
Q673
Q674
Q524
Q523
Q474
Q473
Q424
Q423
D
735
JW
205
JW
204
JW
206
D
802
D811
C595
IC604
JW
836
JW
835
TM603
JW
731
R
742
JWH801
JW
481
JW
480
JW
479
JW823
JW
156
JW
157
JWH822
C575
R
577
R576
R627
R
435
R543
R593
R
695
R
693
R
357
R643
CN
P
801
JW839
C
802
C
801
C390
JW
H821
L883
L884
R
323
R
373
R
324
C323
C373
R
374
R595
C578
R4
88
R
538
R
635
R686
R443
JW
516
R351
C355
R
353
R305
C310
C
357
C358
C459
R460
R467
R459
R454
R457
JW
432
JW
433
JW
434
JW
415
JW
427
R
453
JW
428
CNP811
JW
474
R463
R
441
JW
435
JW
436
C419
Q
652
JW
667
R656
R659
R771
C497
C498
C499
C499
JW
605
JW
603
R
666
JW
437
C428
C429
JW
498
JW
497
JW504
R470
JW440
JW441
JW443
JW446
JW439
JW438
JWH817
JW407
JW468
R308
JW
418
JW419
JW420
R359
C460
R639
RY601
R3
96
Q
882
R
842
D
351
JW
333
Q3
01
R834
C805
R
88
4
R638
J309
R
883
R333
R
843
RY882
L801
C807
Q
801
JW802
JW801
D882
R882
CNP802
JW850
C173
JW463
JW
455
JW
454
JW
453
JW
452
JW
450
JW
451
JW456
JW461
IC402
JW460
JW459
JW
404
JW
403
JW
470
JW405
JW406
JW408
JW409
JW410
JW426
JW402
JW469
C314
JW
466
JW458
JW457
JW462
JW417
JW416
JW422
JW421
JW
424
C417
JW430
R
468
R
458
R
464
R455
JW467
JW
517
JW518
JW601
JW602
JW602
C444
CNP814
JW525
JW526
JW526
JW528
JW484
C493
R
493
R494
C393
C443
JW486
R772
Q391
R394
C395
JW487
R393
C391
JW860
JW
447
JW846
JW
834
RY881
R840
C531
R531
JWH804
JW851
GP1
R
681
R
581
R
841
R631
JW
822
JW821
JW852
JW
113
R546
D526
R750
R481
JW849
JW
833
JW
813
JWH803
JWH802
JW
847
JW
848
JW
811
JW
81
0
JW
827
JW
824
JW
825
JW
828
D803
R
184
R183
C184
R
131
JW842
C134
R133
JW
499
JW
485
C174
C430
R
491
JW
448
JW
449
JW
312
JW
311
R
391
R
392
JW
489
R594
C495
JW
515
JW
514
JWH819
JW
509
JW505
JW503
JW506
R
440
R
469
JW
510
JW
511
JW
512
JW
513
JW501
JW502
R395
JW507
JW508
JW
490
JW
475
JW604
R658
R
696
R
596
R
634
JW203
R415
R465
C464
R
496
JW
42
9
R
438
R
446
JW
733
Q
723
JW
805
JW
804
JW
806
JW
807
D801
JW
840
JW
841
JW138
R137
JW
843
JW
844
JW
423
JW465
JW464
JW411
JW
401
R
354
J302
J303
J308
J305
C
806
R431
CN807
CN808
JW
483
JW
477
JW
476
R645
JW
478
Q
691
C418
JW
561
R
741
R753
JW
H814
JW
H
811
JW
H
810
C490
C816
CNP810
R
802
R337
JW
845
R804
R
803
CNP882
JW881
JW
853
JW
854
CN
806
JW815
J103
JW
812
CNP812
JW140
CNP813
CNP815
CN881
BT800
JW
814
JW803
JW
81
6
JW
139
R743
R745
R744
4-3. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 21 for Circuit Boards Location and Common Note on Printed Wiring Boards.
(Page 27)
(Page 27)
(Page 27)
(Page 27)
(Page 32)
(Page 36)
(Page 40)
(Page 42)
(Page 42)
(Page 42)
(Page 32)
(D130)
C-9
D301
C-10
D351
C-10
(D425)
G-12
(D426)
G-12
D475
G-10
D476
G-11
D525
G-9
D526
G-9
D575
G-6
D576
G-5
D625
G-7
• Semiconductor Location
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
D626
G-7
D675
G-3
D676
G-4
D735
F-12
D736
F-12
D751
F-9
D752
F-8
D753
F-9
D801
C-13
D802
C-11
D803
D-11
D811
E-7
D881
D-7
D882
C-10
(IC103)
C-8
IC301
C-2
IC400
F-10
IC401
E-4
(IC402)
C-5
IC500
F-6
IC600
F-3
IC604
D-6
IC730
F-12
IC811
D-7
IC812
D-6
IC813
F-13
(Q130)
D-9
Q301
C-10
Q351
C-10
Q391
E-7
(Q421)
H-12
(Q422)
H-12
(Q423)
H-12
(Q424)
H-11
(Q425)
G-12
(Q426)
G-12
(Q427)
G-12
Q441
E-7
Q471
H-10
Q472
H-10
Q473
H-10
Q474
H-10
Q475
G-11
Q476
G-10
Q477
G-10
Q491
E-7
Ref. No.
Location
Ref. No.
Location
Q521
H-8
Q522
H-8
Q523
H-9
Q524
H-8
Q525
G-9
Q526
G-8
Q527
G-9
Q541
E-6
Q571
H-5
Q572
H-5
Q573
H-5
Q574
H-5
Q575
G-6
Q576
G-5
Q577
G-6
Q591
E-6
Q621
H-7
Q622
H-7
Q623
H-7
Q624
H-6
Q625
G-7
Q626
G-7
Q627
G-7
Q641
F-5
Ref. No.
Location
Q652
F-2
Q671
H-3
Q672
H-3
Q673
H-4
Q674
H-3
Q675
G-4
Q676
G-4
Q677
G-3
Q691
F-5
Q721
F-3
Q722
G-3
Q723
F-12
Ref. No.
Location
Q724
F-12
Q751
F-9
Q752
F-8
Q753
F-9
Q771
F-2
Q801
C-12
Q881
C-10
Q882
C-10
( ) : STR-DE985 only
STR-DE885/DE985
23
23
4-4. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) — • Refer to page 21 for Common Note on Schematic Diagram and page 44 for IC Block Diagrams.
IC B/D
C418
C422
C428
C311
C361
C394
C430
C432
C438
C494
C651
C654
C694
R307
R357
R302
R308
R352
R358
R394
R445
R494
R544
R594
R644
R694
R772
C305
C355
R393
R443
R493
R543
R593
R643
R693
R771
R304
R354
R311
R313
R315
R361
R363
R365
R395
R444
R495
R545
R595
R645
R656
R659
R695
C308
C358
C304
C354
C302
C352
R309
R359
R303
IC402
JW459
JW460
JW461
JW462
JW457
JW456
C393
C498
R658
R745
R744
R743
R362
R312
R314
R364
C314
C364
R367
R317
R366
R316
C366
C316
R368
R318
R369
R319
R371
R321
R373
R323
C369
C371
C373
C321
C319
C323
R370
R372
R322
R374
R324
R401
R451
R501
R551
R601
R651
C401
C501
C451
C551
C601
R402
R502
R602
R452
R552
R652
R654
R305
C306
R306
C307
C357
C356
R355
R356
C359
C309
C353
C303
R353
C417
C479
C443
C493
C543
C593
C693
C643
R440
R469
R460
R459
R470
R441
C419
R455
R453
R463
R457
R464
R454
R458
R467
R468
C497
C429
C499
C594
C544
C444
C595
C495
J301
J302
J303
J308
J304
C478
C420
J305
R320
R301
R351
IC301
IC301
C310
C360
CNP814
CNP811
CNP810
C460
C459
Q652
Q771
Q441
Q491
Q541
Q591
Q691
Q641
Q391
IC401
(Page 29)
(Page 31)
(Page 24)
(Page 25)
(Page 41)
STR-DE885/DE985
24
24
4-5. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) — • Refer to page 21 for Common Note on Schematic Diagram and page 44 for IC Block Diagrams.
IC B/D
IC B/D
IC B/D
C426
C476
C526
C576
C626
C676
JW203
JW204
JW205
JW206
C431
C481
C531
C581
C631
C681
R741
R429
R479
R529
R579
R629
R679
C427
C477
C527
C577
C627
C677
C741
R431
R481
R531
R581
R631
R681
R881
R423
R425
R473
R475
R523
R525
R573
R575
R623
R625
R673
R675
R430
R480
R530
R580
R630
R680
C412
C462
C512
C562
C612
C662
R434
R484
R534
R584
R634
R684
R433
R483
R533
R583
R633
R683
R411
R461
R511
R561
R611
R661
D425
D426
D475
D476
D525
D526
D575
D576
D625
D626
D675
D676
D881
R422
R472
R522
R572
R622
R672
C416
C466
C516
C566
C616
C666
C425
C475
C525
C578
C625
C675
R400
R500
R600
Q421
Q471
Q521
Q571
Q621
Q671
Q425
Q426
Q475
Q476
Q525
Q526
Q575
Q576
Q625
Q626
Q675
Q676
Q422
Q472
Q522
Q572
Q622
Q672
R438
R488
R538
R588
R632
R682
C464
C564
C614
C664
C461
C561
C611
C661
R427
R477
R527
R577
R627
R677
R839
C421
C471
C571
C621
C671
R437
R487
R537
R587
R637
R687
R721
R838
R424
R474
R524
R574
R624
R674
R426
R476
R526
R576
R626
R676
R840
R841
R412
R415
R462
R465
R512
R515
R562
R565
R612
R615
R662
R665
R421
R471
R521
R571
R621
R671
Q722
TM603
R842
R843
R882
D882
R883
R884
L883
L884
R446
R496
R546
R596
R646
R696
R466
R416
R566
R516
R666
R616
C511
C521
RY882
RY881
CN807
CN808
Q721
IC400
C465
C415
C413
C414
C411
R528
R578
R628
R678
IC500
C514
C721
C515
C565
C463
C513
IC600
C613
C663
C468
C467
C665
C615
R478
R428
C423
C424
C473
C474
C523
C524
C573
C575
C623
C624
C673
C674
Q423
Q424
Q473
Q474
Q523
Q524
Q573
Q574
Q623
Q624
Q673
Q674
Q427
Q477
Q527
Q577
Q627
Q677
R435
R436
R485
R486
R535
R536
R585
R586
R635
R636
R685
R686
CN881
Q881
C702
CN806
CNP701
J701
C563
Q882
(Page
23)
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(Page 25)
(Page 25)
(Page 33)
(Page 33)
Click on the first or last page to see other STR-DE885 / STR-DE985 service manuals if exist.