Sony TRINITRON KV-21PM2 User manual

SERVICE

MANUAL

BA-3

chassis

MODEL

KV-21PM2

COMMANDER

RM-Y146

DE$T

r

MX

CHASSIS

NU.

SCC-J95G-A

KV-21PS2

RM-Y145

MX

SCC-J95H-A

KV-21R22

RM-Y146

E

SCC-J94Q-A

KV-21R22C

RM-Y146

E

SCC-J94M-A

KV-21RD2

RM-Y146

E

SCC-J94R-A

KV-21RS22C

RM-Y145

E

SCC-J94L-A

KV-21RS50

RM-Y145

E

SCC-J94P-A

KV-21RS50C

RM-Y145

E

SCC-J94N-A

KV-21SD2

RM-Y145

E

SCC-J94S-A

SPECIFICATIONS

FOR

ALL

MODELS

(except

as

noted)

Television

system

Channel

coverage

Antenna

Picture

tube

Power

requirements

Supplied

accessories

American

TV

standard

VHF:

2-13

UHF:

14-69

CATV:

1-125

75£2,

external

antenna

terminal

for

VHF/UHF

Trinitron®

tube

21-inch

tube

measured

diagonally

120V,

60

Hz

220V,

50/60

Hz

(KV-21R22C/

21RS22C/21RS50C

only)

Size

AA

(R6)

batteries

(2)

Remote

control

RM-Y145

(1)

(KV-

21PS2/21RS22C/21RS50/

21RS50C/21SD2)

Remote

control

RM-Y

146

(1)

(KV-21PM2/21R22/21R22C/

21RD2)

Antenna

dipole

(1)

Antenna

connector

(1)

KV-21PM2/21R22/21R22C/21RD2

Output

Speaker

output

Power

consumption

Dimensions

(W/H/D)

Video

(phono

jacks):

1

Vp-p,

75£2

unbalanced

negative

sync

Audio

(phono

jacks)

500

mVrms

(100%

modulation)

Impedence:

47Q

A/V

input

(rear)

Headphone

jack

1

speaker

2W

(8Q)

90W

when

in

use

6W

in

standby

8W

in

standby

(KV-21R22C

only)

522

x

477

x

471.7

mm

(20*

2

x

18

3

4

x

18

12

in.)

21.3

kg

(46

lbs.

13

oz)

KV-21

PS2/21RS22C/21RS50/21RS50C/21SD2

put

Video

(phono

jacks):

1

Vp-p,

75£2

unbalanced

negative

sync

Audio

(phono

jacks)

500mVrms

(100%

modulation)

Impedence:

47Q

A/V

input

(rear)

Output

Speaker

output

Power

consumption

Dimensions

(W/H/D)

Headphone

jack

Audio

out

(KV-21RS50/21RS50C)

More

than

800mVrms

at

max.

volume

setting

(variable)

More

than

800mVrms

(fix)

Impedence:

5K£2

2

speakers

(2Wx2)

8£2

(KV-21PS2/

21RS22C/21SD2

only,

2

speakers

(3Wx2)

4£2

(KV-21RS50/21RS50C

only)

90W

when

in

use

7W

in

standby

8W

in

standby

(KV-21RS22C/2IRS50C

only)

522

x

477

x

471.7

mm

(20

,;2

x

I8

y4

x

18

,/2

in.)

(KV-21PS2/21RS22C/21SD2)

550

x464

x468.8

mm

(21*

3

xl8

l/4

x

18‘

2

in.)

(KV-21RS50/21RS50C

only)

21.4

kg

(47

lbs)

(KV-21PS2/2IRS22C/21SD2)

23.4

kg

(51

lbs,

8

oz)

(KV-21RS50/21RS50C)

Design

and

specifications

are

subject

to

change

without

notice.

—

2

—

KV-21PS2/21RS22C/21RS50/21RS50C/21SD2

(RM-Y145)

KV-21PM2/21R22/21R22C/21RD2

(RM-Y146)

TABLE

OF

CONTENTS

Seci

ion

Title

Page

1.

GENERAL

Connecting

the

TV.

4

Using

the

Remote

Control.

4

Setting

Up

Channels.

5

Watching

the

TV.

5

Using

the

Video

Menu.

6

Additional

Features.

6

Selecting

Stereo

or

Bilingual

Program(MTS).

6

Turning

on

Surround

Sound.

7

Adjusting

Treble,

Bass

and

Balance.

7

Selecting

a

Caption

Vision

Option.

7

Customizing

the

Channel

Number

Buttons.

7

2.

DISASSEMBLY

2-1.

Rear

Cover

Removal.

8

2-2.

A

Board

Removal.

8

2-3.

Service

Position.

8

2-

4.

Picture

Tube

Removal.

9

3.

SET-UP

ADJUSTMENTS

3-

1

.

Beam

Landing.

10

3-2.

Convergence.

11

3-3.

Focus.

12

3-4.

Screen

(G2).

12

3-5.

Method

of

Setting

the

Service

Adjustment

Mode.

12

3-6.

White

Balance

Adjustments..

12

Section

Title

Page

4.

S

AFETY

13

5.

CIRCUIT

ADJUSTMENTS

5-1.

Electrical

Adjustment

by

Remote

Commander.

15

5-

2.

A

Board

Adjustments.

17

6.

DIAGRAMS

6-

1

.

Block

Diagrams.

19

6-2.

Circuit

Boards

Location.22

6-3.

Primed

Wiring

Boards

and

Schematic

Diagrams.22

•

A

Board.23

•

C

Board.3

I

6-

4.

Semiconductors.32

7.

EXPLODED

VIEWS

7-

1

.

Chassis.33

8.

ELECTRICAL

PARTS

LIST

.

3

4

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.

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

DE

L'APPAREIL,

OU

AU

COUCHE

DE

CARBONE

PEINTE

SUR

LE

TUBE

CATHODIQUE

OU

AU

BLINDAGE

DU

TUBE

CATHODIQUE.

WARNING!

ATTENTION!!

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.

AFIN

D’EVITER

TOUT

RESQUE

D'ELECTROCUTION

PROVENANT

D'UN

CHASSIS

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.

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

IDENTIFIED

BY

SHADING

AND

MARK

A

ON

THE

SCHEMATIC

DIAGRAMS,

EXPLODED

VIEWS

AND

INTHE

PARTS

LIST

ARE

CRITICAL

FOR

SAFE

OPERATION.

REPLACETHESE

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

AUX

COMPOSANTS

RELATIFS

A

LA

SECURITE!!

LES

COMPOSANTS

IDENTIFIES

PAR

UNETRAME

ET

PAR

UNE

MARQUE

A

SUR

LES

SCHEMAS

DE

PRINCIPE,

LES

VUES

EXPLOSEES

ET

LES

LISTES

DE

PIECES

SONT

D'UNEIMPORTANCE

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

SUPPLE¬

MENTS

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

FONTIONNEMENT

SUSPECTE.

—

3

KV-21PS2/21RS22C/21RS50/21RS50C/21SD2

(RM-Y145)

KV-21PM2/21R22/21R22C/21RD2

(RM-Y146)

Connecting

a

Camcorder

•

Connecting

an

Audio

System

*

Using

the

Remote

Control

•

Inserting

Batteries

•

Changing

the

Menu

Languag

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•

Warnings

and

Cautions

•

Connecting

the

TV

•

Connecting

an

Antenna

•

Connecting

a

Cable

Box

*

Connecting

a

VCR

4

KV-21PS2/21RS22C/21RS50/21RS50C/21SD2

(RM-Y145}

KV-21PM2/21R22/21R22C/21RD2

{RM-Y146)

Setting

up

Your

Channels

•

Setting

Cable

TV

On

or

Off

•

Auto

Programming

•

Erasing

or

Adding

Channels

5

KV-21PS2/21RS22C/21RS50/21RS50C/21SD2

(RM-Y145}

KV-21PM2/21R22/21R22C/21RD2

(RM-Y146)

Using

the

VIDEO

Menu

•

Adjusting

the

Video

Settings

O)

6

KV-21PS2/21RS22C/21RS50/21RS50C/21SD2

{RM-Y145)

KV-21PM2/21R22/21R22C/21RD2

(RM-Y146)

Caption

Vision

•

CHANNEL

GUIDE

•

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with

Headphones

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—

7

—

KV-21PS2/21RS22C/21RS50/21RS50C/21SD2

(RM-Y145)

KV-21PM2/21R22/21R22C/21RD2

(RM-Y146)

SECTION

2

DISASSEMBLY

2-1.

REAR

COVER

REMOVAL

(3)

Rear

Cover

(BVTP4X16)

2-2.

A

BOARD

REMOVAL

2-3.

SERVICE

POSITION

KV-21PS2/21RS22C/21RS50/21RS50C/21SD2

(RM-Y145)

KV-21PM2/21R22/21R22C/21RD2

(RM-Y146)

•

REMOVAL

OF

THE

ANODE-CAP

NOTE:

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.

•

REMOVAL

PROCEDURES

0

Turn

up

one

side

of

the

rubber

cap

in

the

direction

indicated

by

arrow

®.

@

Use

your

thumb

to

pull

the

rubber

cap

®

firmly

in

the

direction

indicated

by

arrow

(§).

.

HOW

TO

HANDLE

AN

ANODE-CAP

®

Do

not

use

sharp

objects

which

may

cause

damage

to

the

sur¬

face

of

the

anode-cap.

@

Do

not

squeeze

the

rubber

covering

too

hard

to

avoid

damag¬

ing

the

anode-cap.

A

material

fitting

called

a

shatter-hook

ter¬

minal

is

built

into

the

rubber.

®

Do

not

force

turn

the

foot

of

the

rubber

cover.

This

may

cause

the

shatter-hook

terminal

to

protrude

and

damage

the

rubber.

When

one

side

of

the

rubber

cap

sepa¬

rates

from

the

anode

button,

the

anode-

cap

can

be

removed

by

turning

the

rub¬

ber

cap

and

pulling

it

in

the

direction

of

arrow

©.

—

9

—

KV-21PS2/21RS22C/21RS50/21RS50C/21SD2

(RM-Y145)

KV-21PM2/21R22/21R22C/21R

D2

(RM-Y146)

SECTION

3

SET-UP

ADJUSTMENTS

•

The

following

adjustments

should

be

made

when

a

•

Perform

the

adjustments

in

order

as

follows:

complete

realignment

is

required

or

a

new

picture

tube

is

installed.

These

adjustments

should

be

performed

1.

Beam

Landing

with

rated

power

supply

voltage

unless

otherwise

noted.

2.

Convergence

3.

Focus

4.

Screen

(G2)

and

White

Balance

The

controls

and

switch

should

be

set

as

follows

unless

otherwise

noted:

Note:

Test

Equipment

Required

PICTURE

control.normal

1.

Color

Bar

Pattern

Generator

2.

Degausser

BRIGHTNESS

control.normal

3.

DC

Power

Supply

4.

Digital

Multimeter

3-1.

BEAM

LANDING

Preparation:

•

Feed

in

the

white

pattern

signal.

•

Before

starting,

degauss

the

entire

screen.

1.

Input

a

raster

signal

with

the

pattern

generator.

2.

Loosen

the

deflection

yoke

mounting

screw,

and

set

the

purity

control

to

the

center

as

shown

in

Fig.2.

3.

Turn

the

raster

signal

of

the

pattern

generator

to

green.

4.

Move

the

deflection

yoke

backward,

and

adjust

with

the

purity

control

so

that

green

is

in

the

center

and

red

and

blue

are

at

the

sides

evenly.

(Fig.3)

purity

control

5.

M

ove

the

deflection

yoke

forward,

and

adjust

so

that

the

entire

screen

becomes

green.

(Fig.l)

Fig.3

6.

Switch

over

the

raster

signal

to

red

and

blue

and

confirm

the

condition.

7.

When

the

position

of

the

deflection

yoke

is

determined,

tighten

it

with

the

deflection

yoke

mounting

screw.

8.

When

landing

at

the

comer

is

not

right,

adjust

by

using

the

disk

magnets.

(Fig.4)

Fig.

1

—

10

—

Fig.4

Sony TRINITRON KV-21PM2 User manual

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