Sony Trinitron KV-29XL70K, Service Manual

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TABLE OF CONTENTS
Section Title Page Section Title Page
Caution .................... 3
Specifications .................... 4
Connectors .................... 5
Self Diagnostic Software .................... 6
1. GENERAL
Switching On the TV and
Automatically Tuning
.................... 7
Introducing and Using the Menu
System
.................... 8
Menu Guide .................... 8
Teletext .................... 10
Fastext .................... 10
Connecting Additional Equipment ............... 11
Specifications .................... 12
Troubleshooting .................... 12
2. DISASSEMBLY
2-1. Rear Cover Removal .................... 13
2-2. Speaker Connector Disconnection................ 13
2-3. Chassis Removal and Refitting .................... 13
2-4. Service Position .................... 14
2-5. G Board Removal .................... 14
2-6. Service Connector for M Board.................. 14
2-7. Wire Dressing .................... 14
2-8. Picture Tube Removal .................... 15
Bottom Plates .................... 16
3. SET-UP ADJUSTMENTS
3-1. Beam Landing .................... 17
3-2. Convergence .................... 18
3-3. Focus Adjustment .................... 20
3-4. Screen (G2), White Balance .................... 20
4. CIRCUIT ADJUSTMENTS
4-1. Electrical Adjustments .................... 21
4-2. Test Mode 2 .................... 23
5. DIAGRAMS
5-1. Block Diagrams (1) .................... 24
Block Diagrams (2) .................... 25
Block Diagrams (3) .................... 26
5-2. Circuit Board Location .................... 26
5-3. Schematic Diagrams and
Printed Wiring Boards
.................... 26
* A Board Schematic .................... 27
* A Board PWB .................... 34
* F1 Board Schematic .................... 37
* F1 Board PWB .................... 38
* H6 Board Schematic .................... 37
* H6 Board PWB .................... 38
* VM Board Schematic .................... 37
* VM Board PWB .................... 36
* G Board Schematic .................... 39
* G Board PWB .................... 38
* D Board Schematic .................... 40
* D Board PWB .................... 41
* C Board Schematic .................... 42
* C Board PWB .................... 43
* M Board Schematic .................... 44
* M Board PWB .................... 43
5-4. Semiconductors .................... 45
5-5. IC Blocks .................... 48
6. EXPLODED VIEWS
6-1. Chassis .................... 50
6-2. Picture Tube .................... 51
7. ELECTRICAL PARTS LIST .................... 52
CAUTION
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR THE
CARBON PAINTED ON THE CRT, AFTER REMOVAL OF THE
ANODE CAP.
WARNING !!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD
DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS
DIRECTLY CONNECTED TO THE POWER LINE.
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY SHADING AND MARKED 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.
ATTENTION
APRES AVOIR DECONNECTE LE CAP DE’LANODE,
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 BLINDAGE DU TUBE
CATHODIQUE.
ATTENTION !!
AFIN D’EVITER TOUT RISQUE D’ELECTROCUTION
PROVENANT D’UN CHÁSSIS SOUS TENTION, UN
TRANSFORMATEUR D’ISOLEMENT DOIT ETRE UTILISÈ LORS
DE TOUT DÈPANNAGE LE CHÁSSIS DE CE RÈCEPTEUR EST
DIRECTMENT RACCORDÈ Á L’ALIMENTATION SECTEUR.
ATTENTION AUX COMPOSANTS RELATIFS Á
LA SECURITÈ!!
LES COMPOSANTS IDENTIFIÈS PAR UNE TRAME ET PAR UNE
MARQUE
SUR LES SCHÈMAS DE PRINCIPE, LES VUES
EXPLOSÈES ET LES LISTES DE PIECES SONT D’UNE IMPOR-
TANCE CRITIQUE POUR LA SÈCURITÈ DU FONCTIONNEMENT,
NE LES REMPLACER QUE PAR DES COMPSANTS SONY DONT
LE NUMÈRO DE PIÈCE EST INDIQUÈ DANS LE PRÈSENT
MANUEL OU DANS DES SUPPLÈMENTS PUBLIÈS PAR SONY.