2
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
Specifications
....................
3
Connectors
....................
4
Self Diagnostic Software
....................
5
1. GENERAL
Using the TV menu system
....................
8
Automatically Tuning the TV
....................
9
Finding the Video Channel
....................
9
Teletext
....................
10
Multi Picture in Picture
....................
11
Picture and Picture (PAP)*
....................
11
Changing the Screen Size
....................
11
Specifications
....................
14
Troubleshooting
....................
14
2. DISASSEMBLY
2-1.
Rear Cover Removal
....................
15
2-2.
Speaker Disconnection
....................
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.
B3 Board Removal
....................
16
2-8.
Picture Tube Removal
....................
17
Bottom Plates
....................
18
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing
....................
19
3-2.
Convergence
....................
20
3-3.
Focus
....................
22
3-4.
Screen [G2] White Balance
....................
22
4. CIRCUIT ADJUSTMENTS
4-1.
Electrical Adjustments
....................
23
4-2.
Volume Electrical Adjustments ....................
27
4-3.
Test Mode 2
....................
28
5. DIAGRAMS
5-1.
Block Diagram (1)
....................
29
Block Diagram (2)
....................
31
Block Diagram (3)
....................
33
Block Diagram (4)
....................
35
Block Diagram (5)
....................
37
Block Diagram (6)
....................
39
Block Diagram (7)
....................
41
5-2.
Circuit Board Location
....................
43
5-3.
Schematic Diagrams and
Printed Wiring Boards
....................
43
* F Board
....................
44
* H1 Board
....................
45
* F1 Board
....................
45
* E Board
....................
47
* M Board
....................
51
* D1 Board
....................
54
* D Board
....................
61
* A Board
....................
64
* J Board
....................
73
* C Board
....................
79
* U Board
....................
81
* BM Board
....................
83
* B3 Board
....................
86
* VM Board
....................
104
* J2 Board
....................
106
5-4.
Semiconductors
....................
107
5-5.
IC Blocks
....................
110
6. EXPLODED VIEWS
6-1.
Chassis
....................
111
6-2.
Picture Tube
....................
112
7. ELECTRICAL PARTS LIST
....................
113
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.
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