Sony STR-DE895 / STR-DE995 Service Manual ▷ View online
STR-DE895/DE995
25
25
4-8. CIRCUIT BOARDS LOCATION
MAIN board
RETAINER board
BLOCK board
2ND ROOM board (DE995)
JOG board
STANDBY board
GUIDE board
VIDEO board
S-VIDEO board
UP CONVERT board (DE995)
AUDIO VIDEO board
SPEAKER B board
AC SELECT board (E2, E3 model)
DIGITAL board
POWER board
HEADPHONE board
OPTICAL3 board
FRONT AV board (DE995)
VIDEO3 board (DE895)
VIDEO3 board (DE895)
DISPLAY board
• Waveforms (DIGITAL Board)
3.4Vp-p
1
IC1301
qd
(CKOUT)
1V/DIV 50nsec/DIV
12.288MHz
3.4Vp-p
2
IC1301
qf
(BCK)
1V/DIV 0.2µsec/DIV
3.07MHz
3.2Vp-p
3
IC1301
wa
(XOUT)
1V/DIV 50nsec/DIV
12.288MHz
3.2Vp-p
4
IC1501
qs
(MCLK2)
1V/DIV 50nsec/DIV
13.5MHz
4.0Vp-p
5
IC1501
qf
(SCKOUT)
1V/DIV 20nsec/DIV
40nsec
3.2Vp-p
6
IC1101
tj
(X1)
1V/DIV 20nsec/DIV
16.5MHz
• Waveform (VIDEO Board)
3.8Vp-p
1
IC2301
8
(EXS)
1V/DIV 20nsec/DIV
14.31818MHz
1.2Vp-p
1
IC3101
4
(XTAL)
1V/DIV 20nsec/DIV
3.5795MHz
• Waveform (UP CONVERT Board)
(STR-DE995 only)
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.
E2
E2
: AC 120 V area in E model.
E3
: AC 240 V 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
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 portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
• Abbreviation
CND : Canadian model.
E2
E2
: AC 120 V area in E model.
E3
: AC 240 V area in E model.
MX
: Mexican model.
STR-DE895/DE995
26
26
4-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) — • Refer to page 25 for Common Note on Schematic Diagram and page 50 for IC Block Diagrams.
IC B/D
C306
C356
C307
C357
C418
R307
R357
R306
R308
R356
R358
R394
R494
R544
R594
R644
R694
R772
C305
C355
R393
R443
R493
R543
R593
R643
R693
R304
R354
R313
R363
R395
R495
R545
R595
R645
R656
R695
C308
C358
C304
C354
C302
C352
Q391
Q441
Q491
Q541
Q591
Q641
Q691
R309
R359
R305
R355
R303
R353
C393
R658
R413
R414
C341
C342
C344
R659
JW450
JW451
JW452
JW454
R445
R444
C544
C594
C540
C590
C694
C690
R330
R331
R332
C380
R380
R381
R382
C381
C382
C332
R341
R342
R410
R795
R794
Q791
R793
D300
C331
C601
C651
R302
R352
R301
R351
IC402
C478
C479
R311
R361
C311
C361
C363
C313
C364
C314
R314
R364
J305
C343
R323
R401
R451
R501
R551
R373
R321
R371
R319
R369
R601
R651
R701
R751
C359
C309
CNP812
CNP811
CNP814
R440
R441
R469
R470
C422
C428
C486
C460
C459
C485
C644
C640
C440
C444
C394
C390
C840
C844
C490
C443
C493
C793
C643
C693
C593
C543
C401
C501
C701
C360
C310
C303
C353
RY300
C751
C451
C330
C551
Q652
Q410
IC301
J301
J302
J303
J304
R407
R408
R409
C407
C408
C409
C419
C429
C417
C494
R652
Q300
IC300
IC401
(Page 35)
(Page 27)
(Page 28)
(Page 38)
(Page 36)
STR-DE895/DE995
27
27
4-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) — • Refer to page 25 for Common Note on Schematic Diagram and page 50 for IC Block Diagrams.
IC B/D
IC B/D
IC B/D
IC B/D
R429
R479
R529
R579
R629
R679
C427
C477
C527
C577
C627
C677
R431
R481
R531
R581
R631
R681
R423
R425
R473
R475
R523
R525
R573
R575
R623
R625
R673
R675
R430
R480
R530
R580
R630
R680
C412
C462
C512
C562
C612
C662
R433
R483
R533
R583
R633
R683
R411
R461
R511
R561
R611
R661
D425
D426
D475
D476
D525
D526
D575
D576
D625
D626
D675
D676
R422
R472
R522
R572
R622
R672
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
R632
R682
C464
C564
C614
C664
C461
C561
C611
C661
R427
R477
R527
R577
R627
R677
C421
C471
C571
C621
C671
R437
R487
R537
R587
R637
R687
R424
R474
R524
R574
R624
R674
R426
R476
R526
R576
R626
R676
R412
R415
R462
R465
R512
R515
R562
R565
R612
R615
R662
R665
R421
R471
R521
R571
R621
R671
R646
R439
R489
R539
R589
R639
R689
C503
C603
JW700
TM602
C700
Q200
Q201
Q202
C200
D201
R201
D202
D203
R202
R203
R204
C201
R205
R210
R211
R212
R214
R215
JW210
R700
R711
C711
C712
R712
R715
R716
C703
C714
Q721
C721
Q722
R721
R722
R724
R725
R723
R726
R727
C725
Q725
R729
Q726
R730
R732
R731
R733
D726
R746
C726
D725
C727
R737
L701
R739
R505
R605
R405
R705
R245
D240
R582
R532
R482
R432
C431
C432
C481
C482
C531
C532
C581
C582
C631
C632
C681
C682
C731
C732
R736 R735
R686 R685
R636
R635
R586
R585
R536
R535
R485
R486
R435
R436
R446
R496
R546
R596
R696
R416
R466
R516
R566
R616
R666
L401
L451
L501
L551
L601
L651
TM601
D400
D500
D600
D700
C600
C650
C526
C576
C626
C676
C476
C426
R434
R484
R534
R584
R634
R684
CN851
CN806
CN400
CN450
CN500
CN550
CN600
CN650
CN700
CN300
CN301
C
4
6
3
C
4
1
3
C
5
1
3
C
5
6
3
C
6
1
3
C
6
6
3
C
7
1
3
C403
C416
C466
C411
C566
C516
C666
C616
C716
C511
C521
RY500
RY600
RY400
RY700
RY240
Q427
Q477
Q527
Q577
Q627
Q677
Q727
Q500
Q600
Q400
Q700
C550
C500
C450
C400
IC400
C414
C415
C465
IC500
C514
C515
C565
IC600
C615
C665
IC700
C715
C423
Q423
R428
Q424
C424
C473
Q473
R478
Q474
C474
C523
Q523
R528
Q524
C524
C573
Q573
R578
Q574
C575
C623
Q623
R628
Q624
C624
C673
Q673
R678
Q674
C674
C723
R728
C724
Q723
Q724
R734
R506
R606
R406
R706
R280
R240
R246
Q240
IC210
D210
R213
Q210
R200
Note:
The components identified by
mark
The components identified by
mark
0
or dotted line with
mark
0
are critical for safety.
Replace only with part num-
ber specified.
ber 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 portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
(Page 31)
(Page 31)
(Page 28)
(Page
26)
STR-DE895/DE995
28
28
4-11. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) — • Refer to page 25 for Common Note on Schematic Diagram.
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 portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
C802
C803
C804
D351
R397
R391
R396
R392
R390
C392
GP1
C260
C265
C266
C261
R250
R251
D250
R252
R233
R235
C800
R222
C395
C290
R824
R830
R290
D818
R236
C233
D251
D290
D291
CN908
CNP802
C391
C250
C251
C252
CN803
CNP804
CN852
D265
R234
R221
R220
CN507
RY801
RY802
RY803
RY351
Q220
Q235
Q250
Q809
D802
D801
C220
C230
D221
C221
C231
D235
D220
IC265
IC260
IC604
R398
Q351
Q225
(Page 49)
(Page 26)
(Page 27)
(Page 34)
(Page 34)
(Page 31)
(Page 49)
(Page 43)
(Page 49)
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