TABLE OF CONTENTS
Section Title
1.
GENERAL
Features............................................................................... 8
Location
and
Function ofParts
and
Controls...................... 9
Using On-screen Menus ......................................................
11
Connections.........................................................................
13
2.
DISASSEMBLY
2-l.
Top
Cover
and
Rear Cover Removal ......................
14
2-2.
TeTP,Jinal
Board Removal ........................................
14
2-3. J
and
H Boards Removal.........................................
14
2-4. Picture Tube Removal.............................................
14
2-5. Service Position.......................................................
15
3. SET-UP ADJUSTMENTS
3-l. Preparations (1) ..............................................
..
.......
16
3-2. Preparations (2) Initialization..................................
19
3-3. Writing Model Data ................................................
19
3-4. Picture Output ......................................................... 20
3-5.
Landing Adjustment................................................ 20
3-6. Convergence Adjustment
(1)
..................................
21
3-7. Deflection Yoke Neck Rotation Adjustment ..........
22
3-8.
Convergence Adjustment
(2)
..................................
22
3-9.
02
Adjustment ........................................................
23
3-10.
White Balance Adjustment .....................................
23
3-11. Blue-Only White Balance Adjustment....................
24
3-12.
Sub
Brt Adjustment .................................................
24
3-13. Focus Adjustment....................................................
24
4. SAFETY RELATED ADJUSTMENT.................
25
(CAUTION)
SHORT CIRCUIT THE ANODE OF
THE
PICTURE TUBE AND THE
ANODE CAP TO THE METALCHASSIS, CRT SHIELD,
OR
CARBON
PAINTED
ON
THE
CRT, AFTER REMOVING THE ANODE.
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 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. 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.
Section Title
5. CIRCUIT ADJUSTMENTS
5-l.
A Board Adjustments ..............................................
27
6. DIAGRAMS
6-1. Block Diagrams (1) ................................................. 39
Block Diagrams
(2)
................................................. 44
6-2. Frame Schematic Diagram ...................................... 49
6-3. Circuit Boards Location.......................................... 52
6-4. Printed Wiring Boards
and
Schematic Diagrams.... 52
• A Board
(113)
........................................................ 59
• A Board
(213)
........................................................ 66
• A Board (3/3) ........................................................ 69
• Q Board ................................................................. 74
•G
Board ................................................................. 76
• JBoard .................................................................. 76
•XBoard
................................................................. 76
• H Board .................................................................
78
• S Board .................................................................
78
• C Board .................................................................
83
6-5. Semiconductors .......................................................
87
7. EXPLODED VIEWS
7-1. Chassis ..................................................................... 89
7-2. Picture Tube ............................................................ 90
8.
ELECTRICAL PARTS LIST..............................
91
(ATTENTION)
APRES AVOIR DECONNECTE
LE
CAP DE L'ANODE, COURT-
CIRCUITER
L'ANODE
DU
TUBE
CATHODIQUE
ET
CELUI
DE
L'ANODEDU CAPAU CHASSISMETALLIQUE
DE
L'APPAREIL,
OU
AU COUCHE
DE
CARBONE PEINTE SUR LE TUBE CATHODIQUE
OU
AU BLINDAGE DU TUBE CATHODIQUE.
ATTENTION!!
AFIN D'EVITER TOUT RESQUE D'ELECTROCUTION PROVENANT
D'UN
CHASSIS
SOUS
TENSION,
UN
TRANSFORMATEUR
D'ISOLEMENTDOlT ETRE
UTILIS~
LORS DE TOUT
D~PANNAGE.
LE CHASSISDE CE
R~CEPTEUR
ESTDIRECTEMENTRACCORDE
AL'ALIMENTATION SECTEUR.
ATTENTION AUX COMPOSANTS RELATIFS ALA
S~CURIT~!!
LES COMPOSANTS IDENTIFIES PAR UNE TRAME ET PAR UNE
MARQUE
& SUR
LES
SCH~MAS
DE
PRINCIPE,
LES VUES
EXPLOS~ES
ETLES LISTESDE PIECESSONTD'UNE IMPORTANCE
CRITIQUE POUR
LA
SECURIT~
DU
FONCTIONNEMENT.
NE
LES
REMPLACER QUE PAR DES COMPOSANTS SONY DONT
LE
NUM~RO
DE
PI~CE
EST
INDIQU~
DANSLE
PR~SENT
MANUELOU
DANS DES
SUPPL~MENTS
PUBLI~S
PAR SONY. LES
R~GLAGES
DE CIRCUIT
DONT
L'IMPORTANCE
EST
CRITIQUE POUR
LA
S~CURIT~
DU FONCTIONNEMENT SONT IDENTIFIES
DANS
LE
PR~SENT
MANUEL
SUIVRECES
PROC~DURES
LORS
DE
CHAQUE
REMPLACEMENT DE COMPOSANTS CRITIQUES, OU LORSQU'UN
MAUVAIS FONCTIONNEMENT EST
SUSPECT~.
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