JVC AV-28WFT1EPG Bedienungsanleitung

AV-28WFT1EPG

AV-28WFT1EIS

AV-28WFT1EPS

AV-32WFT1EPG

AV-28WFT1EKS

AV-32WFT1EPS

AV-28WFT1EK

AV-32WFT1EKS

JVC

SERVICE

MANUAL

BASIC

CHASSIS

AV-28WFT1EPG

AV-32WFT1EPG

AV-28WFT1EPS

AV-32WFT1EPS

AV-28WFT1EIS

AV-32WFT1EKS

AV-28WFT1EKS

AV-28WFT1EK

CONTENTS

SPECIFICATIONS

«+

sect

etter

eee

SAFETY

PRECAUTIONS

«cect

tcc

treet

rete

eee

ene

pee

nee

ene

nena

FEATURES:

ccc

etter

ence

eee

tenes

MAIN

DIFFERENCE

PARTS

LIST-

«+s

tcc

cette

teen

nen

cree

enna

PU)

e400)

SPECIFIC

SERVICE

INSTRUCTIONS

«eer

etr

etter

terete

terrence

teen

eenneee

SERVICE

ADJUSTMENTS

«sccrt

tte

terete

eee

tenner

eee

eens

STANDARD

CIRCUIT

DIAGRAM

«sere

tert

terete

tenet

eee

eens

2-1

PARTS

LIST

ccc

tcc

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anne

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nesses

enees

2000

VICTOR

COMPANY

JAPAN,

LTD.

F322

No.51694

Feb.

2000

AV-28WFT1EPG

AV-28WFTI1EIS

AV-28WFT1EPS

AV-28WFT1EKS

AV-28WFT1EK

SPECIFICATIONS

Content

AV-28WFT1EPG/AV-28WFTIEPS

AV-28WFT1EK/AV-28WFT1EKS

AV-28WFT1EIS

Dimensions

(WxHxD)

780mm

509mm

499mm

<_——

<+_—

Mass

39.0kg

<+—_—_-

<—_——-

)

System

CCIR

(B/G,

CCIR

(1)

CCIR

PAL

SECAM

PAL

NTSC

(Only

EXT

mode)

PAL

NTSC

(Only

EXT

mode)

NTSC

(Only

EXT

mode)

Stereo

System

A2/NICAM

NICAM

Fastext

(United

Kingdom

system)

Fastext

(United

Kingdom

system)

TOP

(German

system)

WST(Standard

system)

WST(Standard

system)

Colour

System

Teletext

System

Receiving

Frequency

VHF

UHF

French

47MHz

470MHz

862MHz

47MHz

470MHz

862MHz

116MHz

172MHz/

220MHz

469MHz

470MHz

862MHz

Intermediate

Frequency

VIF

Carrier

SIF

Carrier

38.9MHz

(1)

32.9MHz

(6.0MHz:1)

38.9MHz

(1)

32.9MHz

(6.0MHz:1)

38.9MHz

(B/G,

,L)/

33.95MHz

(L’)

33.4MHz

(5.5MHz:B/G)

32.9MHz

(6.0MHz:l)

32.4MHz

(6.5MHz:L)

27.45MHz

(6.5MHz:L’)

Colour

Sub

Carrier

Freq.

PAL

SECAM

NTSC

4.43MHz

4.40625MHz

4.25MHz

3.58MHz

4.43MHz

220V~240V

50Hz

168W

(Max)

115W

(Avg),

31.0Kv

current)

115W/h(ITALY)

)

Speaker

4cm

Oval

Type

;

Audio

Output

7.5W

+7.5W

fewot

tel

3.58MHz

4.43MHz

3.58MHz

4.43MHz

Power

Input

Power

Consumption

Aerial

Input

Term

Visible

size

66cm,

Measured

diagonally

Picture

Tube

High

Voltage

(at

zero

beam

EXT-1/EXT-2/EXT-3

21-pin

Euro

connector

(Input

Output)

(SCART

socket)

AUDIO

OUT

(Variable)

0~1Vrms,

Low

Impedance

(RCA

jack

75Q

unbalanced,

Coaxial

EXT-4

(Input)

Video|

1Vp-p

(RCA

jack)

Audio(L/R)

500mVrms(

-4dBs

High

Impedance

(

RCA

jack

)

Video|

1Vp-p

POSITIVE

(Negative

sync

Provided,

when

terminated

with

75Q)

0.286Vp-p

(Burst

signal,

when

terminated

with

~—_——

<«_

<+\__

<+——_.

<+——_

<+—_

Headphone

jack

Stereo

mini

jack

(@3.5mm

)

Remote

Control

Unit

RM-C50

(AAA/RO3

dry

battery

RM-C51

(AAA/RO3

dry

battery

Design

specifications

are

subject

change

without

notice.

No.51694

AV-32WFT1EPG

AV-32WFT1EPS

AV-32WFT1EKS

SPECIFICATIONS

AV-32WFT1EPG/AV-32WFT1EPS

AV-32WFT1EKS

Dimensions

(WxHxD)

855mmx

550mm

568mm

—_——

Mass

56.5kg

—_

System

CCIR

(B/G,

,L)

CCIR

(1)

PAL

SECAM

Colour

PAL

SOUS

yeeon

NTSC

(Only

EXT

mode)

Stereo

System

A2/

NICAM

Teletext

System

Fastext

(United

Kingdom

system)

Fastext

(United

Kingdom

system)

TOP

(German

system)

WST(Standard

system)

WST(Standard

system)

Receiving

Frequency

VHF

47MHz

470MHz

UHF

470MHz

862MHz

French

TV}

116MHz

172MHz/220MHz

469MHz

Intermediate

Frequency

VIF

Carrier

SIF

Carrier

470MHz

862MHz

38.9MHz

(B/G,

,L)

33.95MHz

(L’)

33.4MHz

(5.5MHz:B/G)

32.9MHz

(6.0MHz:l)

32.4MHz

(6.5MHz:L)

27.45MHz

(6.5MHz:L’)

Colour

Sub

Carrier

Freq.

PAL

SECAM

NTSC

38.9MHz

(1)

32.9MHz

(6.0MHz:1)

4.43MHz

4.40625MHz

4.25MHz

3.58MHz

4.43MHz

220V-~240V

50Hz

472W

(Max)

121W

(Avg)

3.58MHz

4.43MHz

Power

Input

Power

Consumption

121W/h(ITALY)

Aerial

Input

Term

unbalanced,

Coaxial

Visible

size

76cm,

Measured

diagonally

+1kV

<—___

31.0KV

5,y

(at

Zero

beam

current)

Speaker

10cm

round

‘

Audio

Output

7.5W

EXT-1/EXT-2/EXT-3

21-pin

Euro

connector

(Input

Output)

(SCART

socket)

EXT-4

(Input)

Video|

1Vp-p

75Q(RCA

jack)

Audio(L/R)|

500mVrms(

-4dBs

High

Impedance

(

RCA

jack

)

1Vp-p

POSITIVE

(Negative

sync

Provided,

when

Video!

terminated

with

75Q)

0.286Vp-p

(Burst

signal,

when

terminated

with

Picture

Tube

High

Voltage

AUDIO

OUT

0~1Vrms,

Low

Impedance

(RCA

jack)

Headphone

jack

Stereo

mini

jack

(¢3.5mm

)

Remote

Control

Unit

RM-C50

(AAA/RO3

dry

battery

RM-C51

(AAA/RO3

dry

battery

No.51694

AV-28WFT1EPG

AV-28WFTI1EIS

AV-28WFTIEPS

AV-32WFT1EPG

AV-28WFTIEKS AV-32WFTIEPS

AV-28WFT1EK

AV-32WFT1EKS

21-pin

Euro

connector

(SCART

socket)

EXT-1

EXT-2

EXT-3

(P-P=

Peak

Peak,

S-W=

Sync

tip

white

peak,

B-W=

Blanking

white

peak)

AUDIO

output

500mVrms(Nominal),

High

impedance

AUDIO

output

poomyons!

(Nominal),

AUDIO

GND

High

baie:

FUNCTON

Low

0-3V,

High

8-12V,

High

Oe]

Poe

fewer

R/C

input

700MVaw,

752

C:300MVp.p,

75Q

(only

Low:

0.4,

High

3V,

75Q

VIDEO

output

1Vp.p(Negative

going

sync),

(TV)

(LINE

OUT)

mre

herd

[RE

o-)

BR] wo]

ro)

“

VIDEO/Y

input

1Vp.p(Negative

going

sync),

75Q

Pre?

OOc

hy.

— 4

[Pin

assignment]

MOOOOOUOOL

21°19

No.51694

SAFETY

PRECAUTIONS)

The

design

this

product

contains

special

hardware

and

many

circuits

and

components

specially

for

safety

purposes.

For

continued

protection,

changes

should

made

the

original

design

unless

authorized

writing

the

manufacturer.

Replacement

parts

must

identical

those

used

the

original

circuits.

Service

should

performed

qualified

personnel

only.

Alterations

the

design

circuitry

the

product

should

not

made.

Any

design

alterations

additions

will

void

the

manufacturer's

warranty

and

will

further relieve

the

manufacturer

responsibility

for

personal

injury

property

damage

resulting

therefrom.

Many

electrical

and

mechanical

parts

the

product

have

special

safety-related

characteristics.

These

characteristics

are

often

not

evident

from

visual

inspection

nor

can

the

protection

afforded

them

necessary

obtained

using

replacement

components

rated

for

higher

voltage,

wattage,

etc.

Replacement

parts

which

WARNING

The

equipment

has

been

designed

and

manufactured

meet

international

safety

standards.

itis

the

legal

responsibility

the

repairer

ensure

that

these

safety

standards

are

maintained.

aoPRONS=

Repairs

must

made

accordance

with

the

relevant

safety

standards.

AV-28WFT1EIS

AV-28WFT1EKS

AV-28WFT1EK

_AV-32WFT1EKS

“4EKS

AV-2

have

these

special

safety

characteristics

are

identified

the

Parts

List

Service

Manual.

Electrical

components

having

such

features

are

identified

shading

the

schematics

and

(A\)

the

Parts

List

the

Service

Manual.

The

use

substitute

replacement

which

does

not

have

the

same

safety

characteristics

the

recommended

replacement

part

shown

the

Parts

List

Service

Manual

may

cause

shock,

fire,

other

hazards.

The

leads

the

products

are

routed

and

dressed

with

ties,

clamps,

tubing’s,

barriers

and

the

separated

from

live

parts,

high

temperature

parts,

moving

parts

and

sharp

edges

for

the

prevention

electric

shock

and

fire

hazard.

When

service

required,

the

original

lead

routing

and

dress

should

observed,

and

should

confirmed

that

they

have been

returned

normal,

after

re-assembling.

Itis

essential

that

safety

critical

components

are

replaced

approved

parts.

mains

voltage

selector

provided,

check

setting

for

local

voltage.

No.51694

AV-28WFT1EPG

AV-28WFT1EPS

AV-32WFT1EPG

AV-32WFT1EPS

SAFETY

PRECAUTIONS

AV-28WFTIEPG

AV-32WFTIEPG

The

design

this

product

contains

special

hardware,

many

circuits

and

components

specially

for

safety

purposes.

For

continued

protection,

changes

should

made

the

original

design

unless

authorized

writing

the

manufacturer.

Replacement

parts

must

identical

those

used

the

original

circuits.

Service

should

performed

qualified

personnel

only.

Alterations

the

design

circuitry

the

products

should

not

made.

Any

design

alterations

additions

will

void

the

manufacturer's

warranty

and

will

further

relieve

the

manufacturer

responsibility

for

personal

injury

property

damage

resulting

therefrom.

Many

electrical

and

mechanical

parts

the

products

have

special

safety-related

characteristics.

These

characteristics

are

often

not

evident

from

visual

inspection

nor

can

the

protection

afforded

them

necessarily

obtained

using

replacement

components

rated

for

higher

voltage,

wattage,

etc.

Replacement

parts

which

have

these

special

safety

characteristics

are

identified

the

parts

list

Service

manual.

Electrical

components

having

such

features

are

identified

shading

the

schematics

and

(A\)

the

parts

list

Service

manual.

The

use

substitute

replacement

which

does

not

have

the

same

safety

characteristics

the

recommended

replacement

part

shown

the

parts

list

Service

manual

may

cause

shock,

fire,

other

hazards.

Don't short

between

the

LIVE

side

ground

and

ISOLATED

(NEUTRAL)

side

ground

EARTH

side

ground

when

repairing.

Some

model's

power

circuit

partly

different

the

GND.

The

difference

the

GND

shown

the

LIVE

(.L)

side

GND,

the

ISOLATED(NEUTRAL)

(4,)

side

GND

and

EARTH

(@)

side

GND.

Don't

short

between

the

LIVE

side

GND

and

ISOLATED(NEUTRAL)

side

GND

EARTH

side

GND

and

never

measure

with

measuring

apparatus

(oscilloscope

etc.)

the

LIVE

side

GND

and

ISOLATED(NEUTRAL)

side

GND

EARTH

side

GND

the

same

time.

above

note

will

not

kept,

fuse

any

parts

will

broken.

any

repair

has

been

made

the

chassis,

recommended

that

the

setting

should

checked

adjusted

(See

ADJUSTMENT

POWER

SUPPLY).

The

high

voltage

applied

the

picture

tube

must

conform

with

that

specified

Service

manual.

Excessive

high

voltage

can

cause

increase

X-Ray

emission,

arcing

and

possible

component

damage,

therefore

operation

under

excessive

high

voltage

conditions

should

kept

minimum,

should

prevented.

severe

arcing

occurs,

remove

the

power

immediately

and

determine

the

cause

visual

inspection

(incorrect

installation,

cracked

melted

high

voltage

harness,

poor

soldering,

etc.).

maintain

the

proper

minimum

level

soft

X-Ray

emission,

components

in.

the

high

voltage

circuitry

including

the

picture

tube

must

the

exact

replacements

alternatives

approved

the

manufacturer

the

complete

product.

not

check

high

voltage

drawing

arc.

Use

high

voltage

meter

high

voltage

probe

with

VTVM.

Discharge

the

picture

tube

before

attempting

meter

connection,

connecting

clip

lead

the

ground

frame

and

connecting

the

other

end

the

lead

through

10kQ

resistor

the

anode

button.

When

service

required,

observe

the

original

lead

dress.

Extra

precaution

should

given

assure

correct

lead

dress

the

high

voltage

circuit

area.

Where

short

circuit

has

occurred,

those

components

that

indicate

evidence

overheating

should

replaced.

Always

use

the

manufacturer's

replacement

components.

No.51694

AV-28WFT1EPS

AV-32WFT1EPS

Isolation

Check

(Safety

for

Electrical

Shock

Hazard)

After

reassembling

the

product,

always

perform

isolation

check

the

exposed

metal

parts

the

cabinet

(antenna

terminals,

video/audio

input

and

output

terminals,

Control

knobs,

metal

cabinet,

screwheads,

earphone

jack,

control

shafts,

etc.)

sure

the

product

safe

operate

without

danger

electrical

shock.

(1)

Dielectric

Strength

Test

The

isolation

between

the

primary

circuit

and

all

metal

parts

exposed

the

user,

particularly

any

exposed

metal

part

having

return

path

the

chassis

should

withstand

voltage

3000V

(r.m.s.)

for

period

one

second.

(....

Withstand

voltage

1100V

(r.m.s.)

appliance

rated

120V,

and

3000V

(r.m.s.)

appliance

rated

200V

more,

for

period

one

second.)

This

method

test

requires

test

equipment

not

generally

found

the

service

trade.

(2)

Leakage

Current

Check

Plug

the

line

cord

directly

into

the

outlet

(do

not

use

line

isolation

transformer

during

this

check.).

Using

"Leakage

Current

Tester",

measure

the

leakage

current

from

each

exposed

metal

part

the

cabinet,

particularly

any

exposed

metal

part

having

return

path

the

chassis,

known

good

earth

ground

(water

pipe,

etc.).

Any

leakage

current

must

not

exceed

0.5mA

(r.m.s.).

However,

tropical

area,

this

must

not

exceed

0.2mA

(r.m.s.).

Alternate

Check

Method

Plug

the

line

cord

directly

into

the

outlet

(do

not

use

line

isolation

transformer

during

this

check.).

Use

voltmeter

having

1000

ohms

per

volt

sensitivity

the

following

manner.

Connect

1500Q

10W

resistor

paralleled

0.15yF

AC-type

capacitor

between

exposed

metal

part

and

known

good

earth

ground

(water

pipe,

etc.).

Measure

the

voltage

across

the

resistor

with

the

voltmeter.

Move

the

resistor

connection

each

exposed

metal

part,

particularly

any

exposed

metal

part

having

return

path

the

chassis,

and

measure

the

voltage

across

the

resistor.

Now,

reverse

the

plug

the

outlet

and

repeat

each

measurement.

Any

voltage

measured

must

not

exceed

0.75V

(r.m.s.).

This

corresponds

0.5mA

(r.m.s.).

However,

tropical

area,

this

must

not

exceed

0.3V

(r.m.S.).

This

corresponds

0.2mA

(r.m.s.).

VOLTMETER

(HAVING

1000

Q/V,

SENSITIVITY)

0.15uF

AC-TYPE

PLACE

THIS

PROBE

EACH

EXPOSED

1500

10W

METAL

PART

GOOD

EARTH

GROUND

FEATURES

preference,

users

can

select

the

picture

size

from

REGULAR,

PANORAMIC,

FULL,

14:9

ZOOM,

16:9

ZOOM,

16:9

ZOOM

SUB

TITLE

modes.

When

the

unit

received

WSS

picture

signal,

the

picture

can

changed

16:9

ZOOM

mode

automatically.

The

TELETEXT

SYSTEM

has

built-in

FASTEXT,

TOP

and

WST

system.

Because

this

unit

corresponds

multiplex

broadcast,

users

can

enjoy

music

programs

and

sporting

events

with

live

realism.

addition,

BILINGUAL

programs

can

heard

their

original

language.

AV-28WFT1EPG

AV-28WFT1EIS

AV-28WFT1EPS

AV-32WFT1EPG

AV-28WFT1EKS

AV-32WFT1EPS

AV-28WFT1EK

AV-32WFT1EKS

Built-in

ECO

(ECONOMY,

ECOLOGY)

MODE.

accordance

with

the

brightness

room,

the

brightness

ahd/or

contrast

the

picture

can

adjusted

automatically

make

the

optimum

picture

which

easy

on the

eye.

Users

can

make

VCR

dubbing

picture

and

sound

controlling

the

selector

select

optional

source

the

EXT-2

output

shown

figure.

No.51694

AV-28WFT1EPG

AV-28WFT1EIS

AV-28WFT1EPS

AV-28WFT1EKS

AV-28WFT1EK

MAIN

DIFFERENCE

PARTS

LIST

(28”MODEL)

Model

Name

AV-28WFT1EPG

AV-28WFT1EPS

AV-28WFTTEKS

AV-28WFT1EK

AV-28WFT1EIS

Part

Name

DOOR

(SERVICE)

LC20265-003A-U

LC20265-010A-U

LC20265-006A-U

LC20265-010A-U

POWER

KNOB

;

(SERVICE)

S.DIAGRAM

ONLY

ITALY(SERVICE)

REMOCON

UNIT

2832WFT1-HSAE

RM-C50-1C

No.51694

AV-32WFT1EPG

AV-32WFT1EPS

AV-32WFT1EKS

MAIN

DIFFERENCE

PARTS

LIST

(32”MODEL)

Model

Name

AV-32WFT1EPG

AV-32WFT1EPS

AV-32WFT1EKS

Part

Name

MAIN

PWB

SJK-1701A-U2

SJK-1901A-U2

SEL

PWB

SJKOS701A-U2

SJKOS901A-U2

POWER

CORD

QMPK160-185-JC

QMPN130-185-JC

FRONT

CABINET

LC10376-003B-U

LC10376-008A-U

CONTROL

SHEET

LC30597-002A-U

LC30597-006A-U

DOOR

(SERVICE)

LC20265-003A-U

LC20265-010A-U

[Te

LC30578-002A-C

LC30578-006A-C

LC20542-001A-U

LC20542-002A-U

LC20091-011A-U

AEM1039-071-E

AEM1039-077-E

AEM1039-073-E

LC10378-001D-U

LC10378-003A-U

LCT0619-001A-U

LCT0621-001A-U

RM-C51-1C

_—

POWER

KNOB

(SERVICE)

RATING

LABEL

EURO

LABEL

REAR

COVER

INST

BOOK

INST

BOOK

X-RAY

CORD

$.DIAGRAM

ONLY

ITALY

(SERVICE)

REMOCON

UNIT

RM-C50-1C

No.51694

AV-28WFT1EPG

AV-28WFT1EIS

AV-28WFT1EPS

AV-32WFT1IEPG

AV-28WFT1EKS

AV-32WFT1EPS

AV-28WFTIEK

AV-32WFT1EKS

FUNCTIONS

REMOTE

CONTROL

UNIT

REAR

PANEL

@®

Muting

Number

Buttons

ZOOM

Hyper

Sound

Information

Volume

-/+

Standby

@®

Colour

Buttons

TEXT

OK/MENU

Channel

V/A

«ipl

wla

EXT-1

Terminal

EXT-2

Terminal

EXT-3

Terminal

Aerial

Socket

@®

Audio

out

EXT-4

terminals

Headphone

jack

(mini

jack)

(Volume)

button

Remote

control

sensor

ECO

sensor

V/A

buttons

<<]

-/+

buttons

Hyper

Sound

lamp

ECO

lamp

Sleep

timer

lamp

@®

Power

lamp

Main

power

button

No.

51694

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