Table Of Contents - Sony TRINITRON PVM-14M2U Service Manual

TABLE OF CONTENTS
Section
Title
1. GENERAL
Features............................................................................... 8
Location and Function of Pans and Controls .. .................. .. 9
Using On-screen Menus...................................................... 11
Connections......................................................................... 13
2. DISASSEMBLY
2-1. Top Cover and Rear Cover Removal...................... 14
2-2. Terminal Board Removal........................................ 14
2-3. J and H Boards Removal......................................... 14
2-4. Picture Tube Removal............................................. 14
2-5. Service Position....................................................... 15
3. SET-UP ADJUSTMENTS
3-1. Preparations
(1) .................... .............. ...... ...... .. .... ...
16
3-2. Preparations (2) Initialization.................................. 19
3-3. Writing Model Data ................................................ 19
3-4. Picture Output ...... .......... ........ ............ ........ .... .. .... .. . 20
3-5. Landing Adjustment................................................ 20
3-6. Convergence Adjustment (1) .................................. 21
3-7. Deflection Yoke Neck Rotation Adjustment.......... 22
3-8. Convergence Adjustment (2) .................................. 22
3-9. G2 Adjustment ........................................................ 23
3-10. White Balance Adjustment ..................................... 23
3-11. Blue-Only White Balance Adjustment.................... 24
3-12. Sub Bn Adjustment................................................. 24
3-13. Focus Adjustment .................................................... 24
4. SAFETY RELATED ADJUSTMENT .................
25
(CAUTION)
SHORT
CIRCUIT THE
ANODE OF
THE
PICTURE TUBE AND
THE
ANODE CAP
TO THE
METAL CHASSIS, CRTSHIELD, OR CARBON
PAINTED ON THE CRT, AFTER REMOVING
THE
ANODE.
WARNING!!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING ANY
SERVICE TO AVOID POSSIBLE SHOCK HAZARD, BECAUSE OF
LIVE CHASSIS.
THE CHASSIS OF THIS RECEIVER IS DIRECTLY CONNECTED TO
THE AC POWER LINE.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
&
ON THE
SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS
LIST ARE CRITICAL FOR 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 FOR SAFE OPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITICAL
COMPONENTS ARE REPLACED OR IMPROPER OPERATION IS
SUSPECTED.
Section
5. CIRCUIT ADJUSTMENTS
5-1. A Board Adjustments .............................................. 27
6. DIAGRAMS
6-1. Block Diagrams (1) ................................................. 39
Block Diagrams (2) ................................................. 44
6-2. Frame Schematic Diagram ...................................... 49
6-3. Circuit Boards Location .......................................... 52
6-4. Printed Wiring Boards and Schematic Diagrams.... 52
• A Board (1/3) ........................................................ 59
• A Board (2/3) ........................................................ 66
• A Board (3/3) ........................................................ 69
•QBoard ................................................................. 74
• G Board ................................................................. 76
• J Board .................................................................. 76
•X Board ................................................................. 76
• H Board ................................................................. 78
• S Board ................................................................. 78
• C Board ................................................................. 83
6-5. Semiconductors ....................................................... 87
7. EXPLODED VIEWS
7-1. Chassis ..................................................................... 89
7-2. Picture Tube ............................................................ 90
8. ELECTRICAL PARTS LIST..............................
91
-7-
(ATTENTION)
APRES AVOIR DECONNECTE LE CAP DE L'ANODE, COURT-
CIRCUITER L'ANODE DU TUBE CATHODIQUE ET CELUI DE
L'ANODE
DU
CAP AU CHASSIS
METALLIQUE
DE L'APPAREIL,
OU
AU COUCHE DE CARBONE PEINTE SUR LE TUBE CATHODIQUE
OU AU BUNDAGE DU TUBE CATHODIQUE.
ATTENTION!!
AFIN D'EVITER
TOUT
RESQUE
D'ELECTROCUTION
PROVENANT
D'UN CHASSIS SOUS TENSION, UN TRANSFORMATEUR
D'ISOLEMENT DOIT ETRE UTILIS~ LORS DE TOUT DEPANNAGE.
LE CHASSIS DE CE RECEPTEUR EST DIRECTEMENT RACCORDE
A
L'ALIMENTATION SECTEUR.
ATTENTION AUX COMPOSANTS RELATIFS
A
LA
S~CURITE!!
LES COMPOSANTS IDENTIFl~S PAR UNE TRAME ET PAR UNE
MARQUE
&
SUR LES SCHEMAS DE PRINCIPE, LES VUES
EXPLOSEES ET LES USTES DE PIECES SONT D'UNE IMPORTANCE
CRITIQUE POUR LA S~CURIT~ DU FONCTIONNEMENT. NE LES
REMPLACER QUE PAR DES COMPOSANTS SONY DONT LE
NUMERO DE Pl~CE EST INDIQU~ DANS LE PR~SENT MANUEL OU
DANS DES SUPPLEMENTS PUBLl~S PAR SONY. LES R~GLAQES
DE CIRCUIT DONT L'IMPORTANCE EST CRITIQUE POUR LA
SECURITE DU FONCTIONNEMENT SONT IDENTIFIES DANS LE
PR~SENT MANUEL SUIVRE CES PROC~DURES LORS DE CHAQUE
REMPLACEMENT DE COMPOSANTS CRITIQUES, OU LORSQU'UN
MAUVAIS FONCTIONNEMENT EST SUSPECTE.