Sony XVM-R70 Service Manual ▷ View online
1
US Model
Canadian Model
AEP Model
UK Model
E Model
SERVICE MANUAL
Ver. 1.2 2005.07
SUPPLEMENT-1
File this supplement with the service manual.
Subject : Change the LCD, BASE and SW boards.
Printed wiring board and schematic diagram of new type, and changed parts list
are described in this Supplement-1.
When performing service and inspection, check the suffix of the part number of
the LCD, BASE and SW boards.
are described in this Supplement-1.
When performing service and inspection, check the suffix of the part number of
the LCD, BASE and SW boards.
XVM-R70
9-961-143-81
BASE BOARD Part No.
Former : 1-688-872-11
New : 1-688-872-12
Former : 1-688-872-11
New : 1-688-872-12
– LCD BOARD (SIDE B) –
– BASE BOARD (SIDE B) –
– SW BOARD (SIDE B) –
LCD BOARD Part No.
Former : 1-688-870-11
New : 1-688-870-12
Former : 1-688-870-11
New : 1-688-870-12
BASE BOARD Part No.
Former : 1-688-871-11
New : 1-688-871-12
Former : 1-688-871-11
New : 1-688-871-12
DISCRIMINATION
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.
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