
KV-20/13VM30/31
RM-Y138/W
TABLE
OF
CONTENTS
Section
Title
Page
Section
Title
Page
PGENERAL
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4
3.
SET-UP
ADJUSTMENTG........0ccssssssenesensensesatentessersenees
35
1-1.
Locating
the
Controls.....
v4
1.
Beam
Landing
cic
earache
anechetiths
dresden
35
1-2.
Connecting
TV
Antenna/Cable
................0
“i
D
B-2.
CONVEFGENCE
........cseccssececsseececeeesceeeetsceeseeetansesseneatensetinas
36
1-3.
Using
the
ON-Screen
Menus
.......cccccceseesneceseeneesessetees
5
3-3.
Focus
AdjUStMent
........cecccceeseceeeeeseenerteaseeseeeseeseeseees
38
1-4.
Turning
the
cable
Mode
ON
of
OFF
........essscecssseeeserersees
6
3-4.
(Screen)G2
and
White
Balance
Adjustments
...........0....
38
1-5.
Presetting
TV
channels
..0.....
cece
ececeseestteceeseeeeeeeeeeeeees
7
3-5.
White
Balance
Adjustments
...........::ccccessseeeeeeneeeetaees
38
1-6.
Conncting
other
Equipment
00.0...
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9
1-7.
Watching
TV
Programs
.........ccececesteseeseteeeesceseetsceeeersees
10
4.
SAFETY
RELATED
ADJUSTMENTS.
.........cscssscsssenenes
39
1-8.
Using
Convenient
Features
0.0...
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10
1-9.
Adjusting
Picture
Quality
.......cseccsesesseesesssssessesseseeeees
1
5.
CIRCUIT
ADJUSTMENTS
..........-00-2:
Pecsteitemeh
teres
40
1-10.
Using
Closed
Caption
oo...
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42
1-11.
Using
Noise
Reduction
Function
«0.0...
cseeseeeseesessen
12
6.
VCR
ADJUSTMENTS
..........0008
wadisuaniaue
nue
denseacegconsaves
42
1-12.
Using
the
Timer-Activated
Functions
.........
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13
1-13.
Using
the the
Play
On
Functions
...0....
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18
7.
TROUBLESHOOTING
CHARTS
......ccccsrecestenserssnenenenens
43
1-14.
Playing
Back
A
Video
Tape
........c
ce
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17
1-15.
Recording
TV
programs
........cecsseeeeeesseeestssessterseeeeeennes
22>
B.
DIAGRAMS
iesccscesecienteveveccsvassecdscsacseostsnnecascosedscavenriers
paced
1-16.
INdEX
FUNCTION
0...
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28
8-1.
BIOCK
Diagram
occ
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52
1-17.
TrOUDIOSHOOTING
oo...
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29
8-2.
Circuit
Boards
Location
and
Printed
Wiring
Boards..........
53
8-3.
SEMICONGUCHOLS.........
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54
2.
DISASSEMBLY
.......ssssseee
sudiineadesnduvtdaeendusesace
baseusSenaeead
31
8-4,
Schematic
Diagrams
and
Printed
Wiring
Boards
.............
55
2-1.
Rear
Cover
RemOnal
......ceccessesssssecescssceesssasssessassesenves
2-2.
Chassis
Assy
Removal
..........:-s0
9,
MECHANISM
DISASSEMBLY
...........sscsseccsseneseessrenneeeeeOl
2-3.
Picture
Tube
Removal
..........ecee
2-4.
Wire
Dressing
........cecseeseeseeeseeeees
10.
MECHANISM
ADJUSTMENT
......-s:csescssescrsesenerennee
2B
2-5.
Circuit
Boards
Arrangement
.........
cee
2-6.
Top
Case
&
Housing
Assy
Disassembly
.
11.
EXPLODED
VIEWS
.......cccescsssssntessessesuneeneeensceenseneneene
D2
2-7,
Service
Position...
2-8.
Deck
&
RP
Board
Diassembly
.........
12.
ELECTRICAL
PARTS
LIST
..........
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2-9.
MA
Board
Diassembly
............
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(CAUTION)
SHORT
CIRCUIT
THE
ANODE
OF
THE
PICTURE
TUBE
AND
THE
ANODE
CAP
TO
THE
METAL
CHASSIS,
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,
DUE
TO
LIVE
CHASSIS
THE
CHASSIS
OF
THIS
RECEIVER
IS
DIRECTLY
CONNECTED
TO
THE
AC
POWER
LINE.
SAFETY-RELATED
COMPONENT
WARNING!!
COMPONENTS
IDENTIFIED
BY
SHADING
AND
A\
MARK
ON
THE
SCHEMATIC
DIAGRAMS,
EXPLODED
VIEWS
AND
IN
THE
PARTS
LIST
ARE
CRITICAL
TO
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
TO
SAFEOPERATION
ARE
IDENTIFIED
IN
THIS
MANUAL.
FOLLOW
THESE
PROCEDURES
WHENEVER
CRITICAL
COMPONENTS
ARE
REPLACED
OR
IMPROPER
OPERATION
|S
SUSPECTED
(ATTENTION)
ARRES
AVOIR
DECONECTE
LE
CAP
DE
L'ANODE,
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
CHEASSIS
SOUS
TENSION,
UN
TRANSFORMATEUR
D'ISOLEMENT
DOIT
ETRE
UTILISE
LORS
DE
TOUT
DEPANNAGE
LE
CHASSIS
DE CE
RECEPTEUR
EST
DIRECTEMENT
RACCORDE
A
L'ALIMENTATION
SECTEUR.
ATTENTION
AUX
COMPOSANTS
RELATIFS
ALA
SECURITE!!
LES
COMPOSANTS
IDENTIFIES
PAR
UNE
TRAME
ET
PAR
UNE
MAPQUE
AX,
SUR
LES
SCHEMAS
DE
PRINCIPE,
LES
VUES
EXPLOSEES
ET
LES
LISTES
DE
PIECES
CONT
D'UNE
IMPORTANCE
CRITIQUE
POUR
LA
SECURITE
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
DONT
L'IMPORTANCE
EST
CRITIQUE
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
FONCTIONNEMENT
EST
SUSPECTE
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