Sony KV-28FX65B, Руководство по обслуживанию

Страница: 2 / 92

2
TABLE OF CONTENTS
Section Title Page Section Title Page
Specifications .................... 3
Connectors .................... 5
Self Diagnostic Software .................... 6
1. GENERAL
Tuning your TV .................... 9
Finding your Video Channel .................... 9
NexT View .................... 9
Teletext .................... 10
Using the TV menu system .................... 11
Specifications .................... 15
Troubleshooting .................... 15
2. DISASSEMBLY
2-1. Rear Cover Removal .................... 16
2-2. Speaker Connector .................... 16
2-3. Chassis Removal .................... 16
2-4. Service Position .................... 17
2-5. D1 Board Removal .................... 17
2-6. J Board Removal .................... 17
2-7. B1 Board Removal .................... 18
2-8. Side Control Removal .................... 18
2-9. F4 Bracket Removal .................... 18
2-10. F4 and H8 Board Removal .................... 18
2-11. Picture Tube Removal .................... 19
Bottom Plates .................... 20
3. SET-UP ADJUSTMENTS
3-1. Beam Landing .................... 21
3-2. Convergence .................... 22
3-3. Focus, Screen [G2] Adjustment .................... 24
3-4. White Balance .................... 24
4. CIRCUIT ADJUSTMENTS
4-1. Electrical Adjustments .................... 25
4-2. Volume Electrical Adjustments .................... 29
4-3. Test Mode 2 .................... 30
5. DIAGRAMS
5-1. Block Diagram (1) .................... 31
Block Diagram (2) .................... 35
Block Diagram (3) .................... 39
Block Diagram (4) .................... 43
5-2. Circuit Board Location .................... 46
5-3. Schematic Diagrams and
Printed Wiring Boards
.................... 46
* H7 Board .................... 47
* H8 Board .................... 47
* F4 Board .................... 48
* F1 Board .................... 48
* E Board .................... 49
* M1 Board .................... 53
* D1 Board .................... 56
* D Board .................... 63
* A Board .................... 66
* J Board .................... 75
* C Board .................... 81
* VM Board .................... 83
* B1 Board .................... 85
5-4. Semiconductors .................... 89
5-5. IC Blocks .................... 88
6. EXPLODED VIEWS
6-1. Chassis (28FX65) .................... 92
6-2. Picture Tube (28FX65) .................... 93
6-3. Chassis (32FX65B/E/K) .................... 94
6-4. Picture Tube (32FX65B/E/K) .................... 95
6-5. Chassis (32FX65U) .................... 96
6-6. Picture Tube (32FX65U) .................... 97
7. ELECTRICAL PARTS LIST ....................
98
CAUTION
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE CARBON PAINTED ON THE CRT, AFTER
REMOVAL OF THE ANODE CAP.
WARNING !!
AN ISOLATION TRANSFORMER MUST 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 COUCHE DE CARBONE PEINTE SUR
LE 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.