
2
TABLE OF CONTENTS
Section Title Page Section Title Page
Specifications .................... 3
Connectors .................... 4
Self Diagnostic Software .................... 5
1. GENERALUsing the TV menu system .................... 8
Tuning your TV .................... 9
Finding yourVideo Channel .................... 9
NexTView .................... 11
Teletext .................... 13
Specifications .................... 14
Troubleshooting .................... 14
2. DISASSEMBLY
2-1. Rear Cover Removal .................... 15
2-2. Speaker Connector .................... 15
2-3. Chassis Removal .................... 15
2-4. Service Position .................... 16
2-5. D1 Board Removal .................... 16
2-6. J Board Removal .................... 16
2-7. B2 Board Removal .................... 16
2-8. Front Control Removal .................... 17
2-9. F3 and H6 Board Removal .................... 17
2-10. H5 Board Removal .................... 17
2-11. Service Connector .................... 17
2-12. PictureTube Removal .................... 18
BottomPlates .................... 19
3. SET-UPADJUSTMENTS
3-1. BeamLanding .................... 20
3-2. Convergence .................... 21
3-3. FocusAdjustment .................... 23
3-4. Screen [G2], White Balance .................... 23
4. CIRCUIT ADJUSTMENTS
4-1. ElectricalAdjustments .................... 24
4-2. VolumeElectricalAdjustments.................... 28
4-3. Test Mode 2 .................... 29
5. DIAGRAMS
5-1. Block Diagram (1) .................... 31
Block Diagram (2) .................... 35
Block Diagram (3) .................... 39
Block Diagram (4) .................... 43
5-2. CircuitBoard Location .................... 46
5-3. Schematic Diagrams and
Printed Wiring Boards .................... 46
* H5 Board .................... 47
* F3 Board .................... 48
* F1 Board .................... 48
* H6 Board .................... 48
* E Board .................... 49
* M1 Board .................... 53
* D1 Board .................... 56
* D Board .................... 63
* ABoard .................... 66
* J Board .................... 75
* C Board .................... 81
* VM Board .................... 83
* B2 Board .................... 85
5-4. Semiconductors .................... 89
5-5. IC Blocks .................... 88
6. EXPLODED VIEWS
6-1. Chassis .................... 92
6-2. PictureTube .................... 93
7. ELECTRICALPARTS LIST .................... 95
CAUTION
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE METALCHASSIS, CRT SHIELD, OR THE
CARBON PAINTED ON THE CRT,AFTER REMOVALOF THE
ANODE CAP.
WARNING !!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING ANY
SERVICE WORK TOAVOID POSSIBLE SHOCK HAZARD DUE TO
LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS DIRECTLY
CONNECTED TOTHE 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 CAPDE’LANODE,
COURT-CIRCUITER L’ANODE DU TUBE CATHODIQUE ET CELUI
DE L’ANODE DU CAPAU 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 TOUTRISQUE D’ELECTROCUTION PROVENANT
D’UN CHÁSSIS SOUS TENTION, UN TRANSFORMATEUR
D’ISOLEMENTDOITETRE UTILISÈ LORS DE TOUTDÈPANNAGE
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.