Sony Trinitron PVM-1271Q Service Manual

/
PVM-1271Q
TABLE
OF
CONTENTS
Section
Title
Page
1. GENERAL
1
-1
.
Features
5
1-2.
Precautions
5
1-3.
Location of
Controls
6
1-4.
Function of Controls
7
1-
5.
System
Connections
9
2. DISASSEMBLY
2-
1. Cabinet
Ass’y
Removal
12
2-2.
B
Board
Removal
12
2-3.
Chassis
Ass’y
Removal
13
2-4.
F board
Removal
(
1
)
14
2-5.
F board
Removal
(2)
14
2-
6. Picture
Tube
Removal
15
3.
ADJUSTMENTS
3-
1. Setup
Adjustments
16
3-1-1.
Beam
Landing
16
3-1-2.
Convergence
17
3-1-3.
Focus
17
3-1-4.
White
Balance
18
3-2.
Safety
Related
Adjustments
.-
20
Section
Title
Page
i
3-3.
Circuit
Adjustments
23
3-3-1
.
D Board
Adjustments
23
3-3-2.
B
Board
Adjustments
27
3-3-3.
Q
Board
Adjustments
31
4.
DIAGRAMS
4-1.
Block
Diagram
35
4-2.
Circuit
Boards
Locating
38
4-3.
Waveforms
39
4-4.
Schematic
Diagram
43
4-5.
Printed
Wiring
Boards
51
B Board
51,
D Board
52
Q
Board
54
H Board
55
Cl
Board
56
C2 Board
57
F
and
F2
Boards
58
4-
6.
Semiconductors
59
5.
EXPLODED
VIEWS
5-
1.
Cabinet
60
5-2.
Bezel
61
5-3.
Chassis
62
6.
ELECTRICAL
PARTS
LIST
!
i
SAFETY-RELATED
COMPONENT
WARNING
!!
COMPONENTS
IDENTIFIED
BY
SHADING
AND MARK
A
ON
THE
SCHEMATIC
DIAGRAMS,
EXPLODED
VIEWS
AND
IN THE
PARTS
LIST
ARE
CRITICAL
TO
SAFE
OPERATION.
REPLACE
THESE
COMPONENTS
WITH
SONY
PARTS
WHOSE
PART
NUMBERS
APPEAR
AS SHOWN
IN
THIS
MANUAL
OR
IN
SUPPLEMENTS
PUBLISHED
BY
SONY.
CIRCUIT
ADJUSTMENTS
THAT ARE
CRITICAL
TO
SAFE
OPERATION
ARE
IDENTIFIED
IN
THIS
MANUAL.
FOLLOW
THESE PRO-
CEDURES
WHENEVER
CRITICAL
COMPONENTS
ARE
REPLACED
OR
IMPROPER
OPERATION
IS SUSPECTED.
ATTENTION
AUX
COMPOSANTS
RELATIFS
A
LA
SECURITEI!
LES
COMPOSANTS
IDENTIFIES
PAR
UNE
TRAME
ET
PAR
UNE
MARQUE
A
SUR
LES
SCHEMAS
DE PRINCIPE,
LES
VUES
EXPLOSEES
ET
LES
LISTES
DE
PIECES
SONT
D'UNE
IMPORTANCE
CRITIQUE
POUR
LA
SECURITE
DU
FONCTIONNEMENT.
NE LES
REM-
PLACER
QUE
PAR
DES
COMPOSANTS
SONY DONT
LE
NUMERO
DE
PIECE
EST
INDIQUE
DANS LE
PRESENT
MANUEL
OU
DANS
DES
SUPPLEMENTS
PUBLIES
PAR
SONY.
LES
REGLAGES
DE
CIRCUIT
DONT
L'lMPOR-
TANCE
EST
CRITIQUE
POUR
LA
SECURITE
DU
FONCTIONNEMENT
SONT
IDENTIFIES
DANS
LE
PRESENT
MANUEL.
SUIVRE
CES
PROCEDURES
LORS
DE
CHAQUE
REMPLACEMENT
DE
COMPOSANTS
CRITIQUES,
OU
LORSQU'UN
MAUVAIS
FONCTIONNE-
MENT
EST
SUSPECTE.
-
4
-

Sony Trinitron PVM-1271Q Specifications

General

Brand	Sony
Model	Trinitron PVM-1271Q
Category	Monitor
Language	English