
—3 —
KV-32V68/35V68
1. GENERAL
Connecting and Installing the TV ............................................ 5
Setting Up the GuidePlus+™ Feature ................................... 7
Using the GuidePlus+™ Feature ........................................... 8
Operating Video Equipment ................................................... 13
Troubleshooting ..................................................................... 13
2. DISASSEMBLY
2-1. Rear Cover Removal ...................................................... 14
2-2. Chassis Assembly Removal ........................................... 14
2-3. Service Position .............................................................. 15
2-4. Control Switch Removal ................................................. 15
2-5. Picture Tube Removal/Anode Cap Removal .................. 16
3. SET-UP ADJUSTMENTS
3-1. Beam Landing ................................................................. 17
3-2. Convergence ................................................................... 18
3-3. Focus .............................................................................. 19
3-4. Screen (G2) ..................................................................... 19
3-5. White Balance Adjustments ............................................ 19
4. SAFETY RELATED ADJUSTMENTS ................................... 20
5. CIRCUIT ADJUSTMENTS ..................................................... 21
TABLE OF CONTENTS
6. DIAGRAMS
6-1. Block Diagram ................................................................. 27
6-2. Block Diagram ................................................................. 31
6-3. Circuit Boards Location ................................................... 34
6-4. Printed Wiring Boards and Schematic Diagrams ............ 34
• ABoard PWB (KV-32V68) .......................................... 35
• ABoard PWB (KV-35V68) .......................................... 37
• A Board Schematic Diagram ....................................... 39
• AV Board ..................................................................... 43
• B Board ....................................................................... 43
• C Board ....................................................................... 45
• G Board ....................................................................... 47
• HS Board .....................................................................47
• HV Board .....................................................................47
• K Board ........................................................................51
• KG Board .....................................................................52
• P Board ........................................................................53
• UV Board .....................................................................55
• WA Board ................................................................... 59
• WB Board .................................................................... 59
6-5. Semiconductors ............................................................... 61
7. EXPLODED VlEWS
7-1. Chassis ............................................................................ 62
7-2. Picture Tube .....................................................................63
(KV-32V68)
7-3. Picture Tube ................................................................... 64
(KV-35V68)
8. ELECTRICAL PARTS LIST
• Parts Listings ............................................................. 65
CAUTION!
AFTER REMOVING THE ANODE, SHORT CIRCUIT THE ANODE
OF THE PICTURE TUBE AND THE ANODE CAP TO THE METAL
CHASSIS, CRT SHIELD, OR CARBON PAINTED ON THE CRT.
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 VIEWSAND IN THE
PARTS LISTARE 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.
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
DEL'APPAREIL,OUAU COUCHEDECARBONEPEINTE SUR LETUBECATHODIQUE
OU AU BLINDAGE DU TUBE CATHODIQUE.
ATTENTION!!
AFIN D'EVITER TOUT RESQUE D'ELECTROCUTION PROVENANT D'UN CHÁSSIS
SOUS TENSION, UN TRANSFORMATEUR D'ISOLEMENT DOIT ETRE UTILISÉ LORS
DE TOUT DÉPANNAGE. LE CHÁSSIS DE CE RÉCEPTEUR EST DIRECTEMENT
RACCORDÉ À L'ALIMENTATION SECTEUR.
ATTENTION AUX COMPOSANTS RELATIFS A LA SECURITE!!
LES COMPOSANTS IDENTIFIES PAR UNE TRAME ETPAR UNE MARQUE ¡ SUR
LES SCHEMAS DE PRINCIPE, LES VUES EXPLOSEES ET LES LISTES DE PIECES
SONT D'UNEIMPORTANCE CRITIQUE POUR LASECURITE DU FONCTIONNEMENT.
NE LES REMPLACER 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 DONTL'IMPORTANCE EST CRI-
TIQUE 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
FONTIONNEMENT SUSPECTE.
WARNINGS AND CAUTIONS
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