Sony XVM-R70 Service Manual ▷ View online
2
XVM-R70
TABLE OF CONTENTS
1. DIAGRAMS
1-1. Printed Wiring Board –LCD Section (1/2)– ....................... 4
1-2. Printed Wiring Board –LCD Section (2/2)– ....................... 5
1-3. Printed Wiring Board –Base Section (1/2)– ........................ 6
1-4. Printed Wiring Board –Base Section (2/2)– ........................ 7
1-5. Schematic Diagram –LCD Section (1/3)– .......................... 8
1-6. Schematic Diagram –LCD Section (2/3)– .......................... 9
1-7. Schematic Diagram –LCD Section (3/3)– ........................ 10
1-2. Printed Wiring Board –LCD Section (2/2)– ....................... 5
1-3. Printed Wiring Board –Base Section (1/2)– ........................ 6
1-4. Printed Wiring Board –Base Section (2/2)– ........................ 7
1-5. Schematic Diagram –LCD Section (1/3)– .......................... 8
1-6. Schematic Diagram –LCD Section (2/3)– .......................... 9
1-7. Schematic Diagram –LCD Section (3/3)– ........................ 10
2. ELECTRICAL PARTS LIST
........................................ 14
3
3
XVM-R70
• Waveforms (LCD Board)
1
TP505
1V/DIV 50µsec/DIV
127µsec
2
0.2V/DIV 20µsec/DIV
3
0.2V/DIV 20µsec/DIV
H
0
10V/DIV 5µsec/DIV
14.7µsec
qa
1V/DIV 5msec/DIV
16.4µsec
3.5Vp-p
H
1Vp-p
1Vp-p
30.7Vp-p
3.5Vp-p
4
0.2V/DIV 200nsec/DIV
3.5714MHz
5
0.5V/DIV 200nsec/DIV
6
0.5V/DIV 200nsec/DIV
2.3MHz
qs
1V/DIV 50µsec/DIV
128µsec
qd
1V/DIV 20µsec/DIV
62.6µsec
qf
1V/DIV 50µsec/DIV
190.9µsec
0.8Vp-p
2.8MHz
1.1Vp-p
1.1Vp-p
3.5Vp-p
3.5Vp-p
3.5Vp-p
7
1V/DIV 10msec/DIV
16.5µsec
8
1V/DIV 20µsec/DIV
qh
1V/DIV 50nsec/DIV
7.2MHz
qg
1V/DIV 10µsec/DIV
63.4µsec
3.5Vp-p
64µsec
3.6Vp-p
3.6Vp-p
2.8Vp-p
9
5V/DIV 5µsec/DIV
8.4µsec
13.2Vp-p
qk
5V/DIV 2µsec/DIV
4.2µsec
ql
10V/DIV 2µsec/DIV
4.2µsec
11.8Vp-p
35Vp-p
w;
0.5V/DIV 20µsec/DIV
63µsec
wa
2V/DIV 50µsec/DIV
127µsec
ws
1V/DIV 20µsec/DIV
2H
2.2Vp-p
4.4Vp-p
3.3Vp-p
wf
1V/DIV 20µsec/DIV
2H
wd
1V/DIV 20µsec/DIV
2H
3.3Vp-p
3.2Vp-p
qj
0.2V/DIV 50nsec/DIV
14.48MHz
5.4Vp-p
TP506
TP507
TP508
TP352
TP353
TP406
TP407
TP850
TP851
TP601
TP602
TP603
TP606
TP609
TP611
TP612
TP801
TP802
TP808
TP809
TP810
TP811
TP812
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. (p: pF)
• All capacitors are in µF unless otherwise noted. (p: pF)
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.
•
%
: indicates tolerance.
•
f
: internal component.
• C : panel designation.
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)
(Side A)
parts face are indicated.
• A : B+ Line.
• B : B– Line.
• H : adjustment for repair.
• CN401 of XVM-R70 is connected to Connection Box with
• B : B– Line.
• H : adjustment for repair.
• CN401 of XVM-R70 is connected to Connection Box with
a monitor cable.
Power voltage is dc 14.4 V from ACC cord of the Connec-
tion Box and fed with regulated dc power supply.
Power voltage is dc 14.4 V from ACC cord of the Connec-
tion Box and fed with regulated dc power supply.
• CN401 of XVM-R70 is connected to Connection Box with
a monitor cable.
Voltage and waveforms are measured at input the color
bar signal from the Connection Box.
Voltage and waveforms are measured at input the color
bar signal from the Connection Box.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
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
: AUDIO
g : VIDEO
• Abbreviation
CND : Canadian model.
for printed wiring boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
• Abbreviation
CND : Canadian model.
SECTION 1
DIAGRAMS
4
4
XVM-R70
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
1-688-870-
12
R872
C831
C833
C835
D804
D805
C837
L807
L809
L805
L806
L803
L804
L810
L808
R873
R874
C857
D853
R866
R886
D854
R862
C810
C806
C855
R801
C801
R810
C809
C802
R802
R864
R865
D852
R878
C858
R876
D855
Q856
R877
R803
R867
R868
R879
R858
Q854
Q853
R804
R815 R814
R811
C808
R813
R812
C800
R451
R440
C426
R441
R442
R443
R444
R445
R464
C407
X400
C406
R469
R403
R402
C403
IC403
R411
C425
R412
R439
R438
C509
C508
C507
C505
C504
C503
C502
R520
R534
R533
R510
R519
R518
C534
Q502
Q501
Q503
R521
R535
C530
Q500
C600
R614
R617
R635
R823
R820
R826
R817
R822
C816
R627
R626
R625
R624
R623
C601
R621
R619
R622
R658
R655
R654
R656
Q601
R618
C611
R630
R631
C608
R632
C604
C618
C627
R648
C617
FL601
C602
R659
R504
R506
C519
R508
C525
R509
C526
C531
C413
R450
R449
R448
R447
R446
R875
R887
R885
Q858
Q857
R415
Q402
Q401
Q400
R416
R482
R480
R417
R414
C827
C824
C818
C821
IC800
9
8
16
1
IC401
1
20
10
1
2
3
11
IC402
5
4
8
1
IC501
9
8
16
1
IC801
8
5
1
4
IC850
1
16
8
89
Q850
Q859
Q855
R500
R809
R610
R600
C612
R634
R633
R629
C607
C609
R613
R615
R616
R657
R602
R604
R606
R608
C516
C517
C520
L500
R505
R507
C522
R502
R501
R455
R517
R530
R531
R532
C528
C539
C541
C537
R515
R512
C547
R514
C536
C535
C411
C518
C515
C514
C540
C523
C527
C524
C529
C532
L503
L603
Q804
Q802
Q803
R819
L802
JC801
C813
R818
R816
R821
IC600
48
49
64
32
17
33
1
16
IC500
32
33
48
16
1
17
49
R536
64
D602
D604
D356
R410
R470
R859
R861
R860
R643
C622
D603
LCD BOARD (SIDE B)
1-1. PRINTED WIRING BOARD — LCD SECTION (1/2) —
D356
C-8
D602
D-12
D603
D-12
D604
D-12
D804
C-4
D805
C-4
D852
G-1
D853
C-3
D854
G-3
D855
G-3
IC401
H-7
IC402
H-9
IC403
H-8
IC500
H-11
IC501
F-12
IC600
E-11
IC800
G-4
IC801
D-9
IC850
G-2
Q400
B-7
Q401
B-6
Q402
B-7
Q500
G-12
Q501
I-11
Q502
I-11
Q503
I-12
Q601
F-10
Q802
D-9
Q803
D-9
Q804
D-10
Q850
G-2
Q853
H-3
Q854
H-3
Q855
G-2
Q856
G-1
Q857
F-1
Q858
F-2
Q859
G-2
• Semiconductor
Location
Ref. No.
Location
: Uses unleaded solder.
5
5
XVM-R70
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
L852
L851
L850
R880
R883
C861
R884
C859
R881
R882
R850
R833
C352
L501
L502
R807
Q800
R800
C417
C416
C415
IC400
C409
R428
R427
R426
R425
R423
R422
R483
R419
C404
BP1
R474
C418
R433
R432
Q403
R421
R471
C423
1-688-870
12
R527
D407
D401
D411
D402
D403
D406
D404
D405
D414
Q406
Q407
Q408
D408
C506
R526
R434
R435
R660
R661
Q506
R404
R405
R407
R408
R409
R477
R489
R476
R485
R475 R478
C401
R457
C400
R401
R465
R466
R484
R400
R487
R430
R429
R424
R805
C803
R806
R809
R808
C838
R832
R456
R831
R363
R364
R645
R644
C621
R647
C620
D600
D601
RV350
Q351
Q350
RV351
RV801
RV800
RV802
R635
R640
R662 C615
R637
C614
C613
R354
R350
R365
Q352
Q353
R366
R351
C350
IC351
C360
R352
C362
C546
R646
C619
R642
R636
C543
R528
R529
R638
C616
R639
C628
C626
C542
C501
R522
R524
R525
R641
L602
L600
C361
C363
C353
C364
C354
C355
C351
R452
C812
C605
C358
C356
R824
C815
C422
R361
R362
R827
R479
R825
R473
R437
R472
C410
D409
D410
Q405
D400
R523
Q505
Q504
C545
C544
D500
D412
D413
C405
R420
R486
C427
R488
R418
Q404
F800
C865
C804
L801
L800
L402
L400
F850
R851
R852
R436
C860
C862
C851
C850
C412
C414
C402
C513
C521
C807
C836
TP803
TP856
TP854
TP853
CN850
2
1
1
3
2
TP805
TP851
TP852
TP850
TP855
TP801
TP800
TP904
TP400
TP404
TP405
TP410
TP414
TP406
TP407
TP417
TP415
TP422
TP507
TP902
TP903
TP900
TP802
TP408
TP409
CN401
CN403
CN404
CN902
TP416
TP418
TP420
TP412
TP419
TP413
TP403
TP411
TP506
TP508
TP401
TP504
TP500
TP501
TP402
TP503
TP502
TP403
TP354
TP804
TP353
TP352
TP350
TP351
TP600
TP505
TP614
TP615
TP613
TP614
TP607
TP611
TP609
TP618
TP602
TP809
TP813
TP815
TP816
TP817
TP610
TP601
TP606
TP808
TP608
TP606
TP604
TP612
Q600
TP616
RV601
RV600
TP603
TP812
TP810
TP811
TP806
TP807
C834
C830
NL850
C832
C408
C823
D802
D803
T800
T850
C826
C829
C820
C822
C825
C805
C867
C866
Q801
C603
C606
C817
C828
D800
D801
C819
C359
C357
C814
C811
IC350
9
8
16
1
IC601
CN800
LCD1
LIQUID CRYSTAL DISPLAY PANEL
5
30
1
4
8
1
X501
X500
C510
C500
C511
C512
16
17
32
64
49
1
33
48
LCD BOARD (SIDE A)
D350
D350-352
(LCD BACK LIGHT)
D353-355
(LCD BACK LIGHT)
D351
D352
D353
D354
D355
IC404
S405
POWER
S406
INPUT
S402
REVERSE
S403
MENU
S401
UP
V
S404
DOWN
v
1
6
1
1
7
2
1
12
BASE BOARD
CN951
D
BASE BOARD
CN955
A
BASE BOARD
CN952
C
BASE BOARD
CN953
B
1
3
1-2. PRINTED WIRING BOARD — LCD SECTION (2/2) —
: Uses unleaded solder.
(Page 7)
(Page 7)
(Page 7)
(Page 7)
D350
A-5
D351
A-5
D352
A-6
D353
A-8
D354
A-8
D355
A-9
D400
J-8
D401
F-7
D402
F-7
D403
F-7
D404
F-8
D405
F-8
D406
F-8
D407
F-9
D408
F-9
D409
H-10
D410
H-6
D411
B-6
D412
G-6
D413
F-5
D414
F-9
D500
H-12
D600
F-12
D601
E-12
D800
E-5
D801
E-3
D802
E-4
D803
E-5
IC350
C-8
IC351
C-6
IC400
H-9
IC404
A-7
IC601
D-12
Q350
B-8
Q351
B-8
Q352
B-5
Q353
B-6
Q403
I-9
Q404
I-8
Q405
I-8
Q406
F-9
Q407
F-9
Q408
F-9
Q504
H-12
Q505
I-12
Q506
G-11
Q600
F-12
Q800
G-4
Q801
F-4
• Semiconductor
Location
Ref. No.
Location
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