Table Of Contents - Sony Trinitron PVM-1271Q Service Manual

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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.
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4
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