JVC AV-2750S User manual

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1

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BASIC

CHASSIS

AV-27505...

AV-2

7

60

Su

CONTENTS

ME

SPECIFICATIONS

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MI

SAFETY

PRECAUTIONS

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Mi

OPERATING

INSTRUCTIONS

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M@

SPECIFIC

SERVICE

INSTRUCTIONS

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SERVICE

ADJUSTMENTS

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O~@

e

AV-2750S

and

AV-2760S

are

electrically

identical,but

their

colors

are

different.Both

models

are

described

in

this

service

manual.

AV-2750S

|

AV-2760S

SPECIFICATIONS

_

Dimensions

Weight.

Tv

System

and

Color,

Sound

System

TV

RF

System

:

Color,

Sound

System

TV

Receiving

Channels

and

Frequency

VL

Band

“VH

Band

UHF

Band

CATV

Receiving

Channels

and

Frequency

(Quartz

Synthesizer

System)

Low

Band

High

Band

Mid

Band

Super

Band

Hyper

Band

ULTRA

Band

Sub

Mid

Band

TV

/

CATV

Total

Channel

Imtermediate

Frequency

Video

iF

Carrier

Sound

IF

Carrier

Color

SUb

Carrier

Antenna

Input

Impedance

Power

Input

Power

Consumption

Picture

Tube

Viewable

Picture

Size

High

Voltage

Speaker

Audio

Power

Output

Video

External

Input

Audio

External

input

Video

Line

Output

Audio

Line

Output

S-VIDEO

IN

Variable

Audio

Output

"2

(No.50360)

‘Design

&

specification

subject

to

change

without

notice.

65.10m(W)

x

52.0cm(D)

x

57.5em(H)

37.8kg

CCIR(M)

NTSC,BTSC

(Multichannel

Sound)

(02~06)

54MHz~88MHz

(07~

13)

174MHz~216MHz

(14~69)

470MHz~

806MHz

(02~06,

A-8)

by

(02~06,

01)

(07~13)

by

(07~13)

(A~l)

by

(1422)

(J~W)

by

(23~36)

(W

+1~W

+

28)

by

(37~64)

(W

+

29~W

+84)

by

(65~

125)

(A8,

A4~A1)

by

(01,

96~99)

180

Channels

45.75MHz

41.25MHz

(4.5MHz)

3.58MHz

75Q

(VHF

/

UHF)

Terminal,

F-Type

Connector

120V

AC,

60Hz

147W

(max.

),

103W

(avg.

)

27”In-Line

Type,

Full-Square

Tint

Tube

54.1

cm

(W)

X40.6em

(H)

27.5KV

~

30KV

8x

12cm

oval

Type

x2

SW

+3W

4

Vp-p

75Q

500

mV

rms

(-4dBs),

High

impedance

1

Vp-p

752

500

mV

rms

(-4dBs)

Low

Impedance

(400Hz,

100%

modu.

)

Y:1

Vp-p

(Positive)

,

752

(Negative

sync

provided)

C:0.286

Vp-p

(

burst

signal

),

752

;

More

than

0~1550mV

rms

(+

6dhbs)

Low

Impedance

(400Hz,

100%

modu.)

(54MHz~804MHz)

SAFETY

PRECAUTIONS

The

design

of

this

product

contains

special

hardware,

many

circuits

and

components

specially

for

safety

purposes.

For

continued

pro-

tection,no

.changes

should

be

made

to

the

original

design

unless

authorized

in

writing

by

the

manufacturer.

Replacement

parts

must

be

identical

to

those

used

in

the

original

circuits.

Service

should

be

(1)

Dielectric

Strength

Test

:

performed

by

qualified

personnel

only.

The

isolation

between

the

AC

primary

circuit

and

all

metal

parts

ex-

2.

Alterations

of

the

design

or

circuitry

of

the

products

should

not

be

posed

to

the

user,

particularly

any

exposed

metal

part

having

a

re-

made.

Any

design

alterations

or

additions

will

void

the

manufactur-

turn

path

to

the

chassis

should

withstand

a

voltage

of

1100V

AG

er’s

warranty

and

will

further

relieve

the

manufacturer

of

responsi-

(r.m.s.)

for

a

period

of

one

second.

bility

for

personal

injury

or

property

damage

resulting

therefrom.

(....

Withstand

a

voitage

of

1100V

AC

(r.m.

s.)

to

an

appliance

‘rat-

3.

Many

electrical

and

mechanical

parts

in

the

products

have

special

oF

up

to

120V,

and

3000V

AC

(r.m.s.)

to

an

appliance

rated

200V

safety-related

characteristics.

These

characteristics

are

often

not

or

more,

for

a

period-of

one

second.)

evident

from

visual

inspection

nor

can

the

protection

afforded

by

This

method

of

test

requires

a

test

equips

not

generally

f

found

them

necessarily

be

obtained—by—using

replacement-components—————~-in-

_the_service_trade.

rated

for

higher

voltage,

wattage,

etc.

Replacement

parts

which

(2)

Leakage

Current

Check

have

these

special

safety

characteristics

are

identified

in

the

parts

Plug

the

AC

line

cord

directly

into

the

AC

outlet

(do

not

use

a

line

list

of

Service

manual.

Electrical

components

having

such

fea-

isolation

transformer

during

this

check.)

Using

a

"Leakage

Current

tures

are

identified

by

shading

on

the

schematics

and

by

Tester”,

measure

the

leakage

current

from

each

exposed

metal

part

(

A)

on

the

parts

list

in

Service

manual.

The

use

of

a

substi-

of

the

cabinet,

particularly

any

exposed

metal

part

having

a

return

tute

replacement

which

does

not

have

the

same

safety

characteris-

path

to

the

chassis,

to

a

known

good

earth

ground

(water

pipe,

tics

as

the

recommended

replacement

part

shown

in

the

parts

list

etc.).

Any

leakage

current

must

not

exceed

0.5mA

AC

(r.m:s.).

of

Service

manual

many

create

shock,

fire,

or

other

hazards.

'

@

Alternate

Check

Method

,

4.

Use

isolation

transformer

when

hot

chassis.

Plug

the

AC

line

cord

directly

into

the

AC

outlet

(do

not

use

a

line

The

chassis

and

any

sub-chassis

contrained

in

some

products

are

isolation

transformer

during

this

check.).

Use

an

AC

voltmeter

hav-

connected

to

one

side

of

the

AC

power

line.

An

isolation

transform-

ing

1,000

ohms

per

volt

or

more

sensitivity

in

the

following

manner.

er

of

adequate

capacity

should

be

inserted

between

the

product

Connect

a

1,5002

10W

resistor

paralleled

by

a

0.15yF

AC-type

ca-

and

the

AC

power

supply

point

while

performing

any

service

on

pacitor

between

an

exposed

metal

part

and

a’

known

good

-earth

some

products

when

the

HOT

chassis

is

exposed.

ground

(water

pipe,

etc.).

Measure

the

AC

voltage

across

the

resis-

5.

Don’t

short

between

the

LIVE

side

ground

and

NEUTRAL

tor

with

the

AC

voltmeter.

Move

the

resistor

connection

to

each

ex-

side

grounding

or

EARTH

side

ground

when

repairing.

posed

metal

part,

particularly

any

exposed

metal

part

having

a

re-

Some

model's

power

circuit

is

partly

different

in

the

GND.

The

dif-

”

turn

path

to

the

chassis,

and

measure

the

AC

voltage

across

the

re-

ference

of

the

GND

is

shown

by

the

LIVE

(1)

side

GND,

the

NEU-

sistor.

Now,

reverse

the

plug

in

the

AC

outlet

and

repeat

each

mea-

TRAL

(ar)

side

GND

and

EARTH

(Q)

side

GND.

Don’t

short

be-

surement,

Any

voltage

measured

must

not

exceed

0.35V

AG

tween

the

LIVE

side

GND

and

NEUTRAL

side

GND

or

EARTH

side

(r.m.s.).

This

corresponds

to

0.5mA

AC

(r.m.s.}.

GND

and

never

measure

with

a

measuring

apparatus

{oscilloscope

:

k

LIVE

side

GND

NEUTRAL

si

AR

i

ae

ee

ices

and

NEU

side

GND

or

EARTH

side

AC

VOLTMETER

; -

(HAVING

10002/V,

If

above

note

will

not

be

kept,

a

fuse

or

any

parts

will

be

broken.

OR

MORE

SENSITIVITY)

6.

If

any

repair

has

been

made

to

the

chassis,

it

is

recommended

that

the

B,

setting

should

be

checked

or

adjusted

(See

ADJUSTMENT

OF

B,

POWER

SUPPLY).

7.

The

high.

volliege

applied

to

the

picture

tube

must

conform

with

that

PLACE

THIS

PR

OBE

specified

in

Service

manual.

Excessive

high

voltage

can

cause

an

increase

in

X-Ray

emission,

arcing

and

possible

component

dam-

15002

10W

ON

EACH

EXPOSED

age,

therefore

operation

under

excessive

high

voltage

conditions

GOOD

EARTH

GROUND

METAL

PART

should

be

kept

to

a

minimum,

or

should

be

prevented.

If

severe

ar-

cing

occurs,

remove

ihe

AG

power

immediately

and

determine

the

11.

High

voltage

hold

down

circuit

check.

cause

by

visual

inspection

(incorrect

installation,

cracked

or

meited

high

voltage

harness,

poor

soldering,

etc.).

To.

aisiniala:

he:

propel

After

repair

of

the

high

voltage

hold

down

circuit,

ae

circuit

shall

a

-—

:

fe

be

checked

to

operate

correctly.

minimum

level

of

soft

X-Ray

emission,

components

in

the

high

volt-

.

af

oa:

Meccan

; ,

See

item

"How

10

check

the

high

voltage

hold

down

circuit".

age

circuitry

including

the

picture

tube

must

be

the

exact

replace-

ments

or

alternatives

approvided

by

the

manufacturer

of

the

com-

,

plete

product.

8.

Do

not

check

high

voltage

by

drawing

an

arc.

Use

a

high

voitage

meter

or

a

high

voltage

probe

with

a

VTVM.

Discharge

the

picture

tube

before

attempting

meter

connection,

by

connecting

a

clip

lead

to

the

ground

frame

and

connecting

the

other

end

of

the

lead

|

ONLY

CANADA

through

a

10kQ2

2W

resistor

to

the

anode

button.

-

9.

When

service

is

required,

observe

the

original

lead

dress.

Extra

pre-

This

mark

shows

a

fast

operating

fuse,

the

letters

indicated

caution

should

be

given

to

assure

correct

lead

dress

in

the

high

below

show

the

rating.

voltage

circuit

area.

Where

a

short

circuit

has

occurred,

those

com-

.

ponents

that

indicate

evidence

of

overheating

should

be

replaced.

Always

use

the

manufacturer's

replacement

components.

10.

Isolation

Check

(Safety

for

Electrical

Shock

Hazard)

After

re-assembling

the

product,

always

perform

an

isolation

check

|

AV-2750S

AV-2760S

on

the

exposed

metal

parts

of

the

cabinet

(antenna

terminals,

vid-

eo/audio

input

and

output

terminals,

Control

knobs,metal

cabinet,

screwheads,

earphone

jack,

control

shafts,

etc.)

to

be

sure

the

prod-

uct

is

safe

to

operate

without

danger

of

electrical

shock.

(No.50360)

3

(qagos

oN)

y

uw

.

COLOR

MONITOR!

RECEIVER

§

(o9¢0S°0N)

—_

h

CAUTION

‘

USK

OF

ELECTRIC

SHOCK

/

|

\

00

NOT

OPEN

CAUTION: TO

REDUCE

THE

RISK

OF

ELECTRIC

SHOCK,

DO

NOT

REMOVE

COVER

(OR

BACK}.

NO

USERSERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

TO

QUALIFIED

SERVICE

PERSONNEL.

The

lightning

flash

with

arrowhead

sym-

bol,

within

an

equilateral.

triangle,

is

in-

tended

to

alert

the

user

to

the

presence

of

uninsulated

“dangerous

voltage”

~

within

the

product's

enclosure

that

may

be

of

sufficient

magnitude

to

constitute

a

tisk

of

electric

shock

to

persons.

The

exclamation

point

within

an-

equilateral

triangle

is

intended

to

alert

the

user)

to

the.

presence

of

important

operating

and

maintenance

(servicing)

in-

structions

in

the

literature

accompanying

the

appliance.

Caution:

Changes

and

modifications

not

approved

by

JVC

could

void

the

user's

authority

to

operate

the

equipment.

WARNING:

:

TO

PREVENT

FIRE

OR

SHOCK

HAZARD,

DO

NOT

EXPOSE

THIS

TV

SET

TO

RAIN

OR

MOISTURE.

CAUTION:

TO

INSURE

PERSONAL

SAFETY,

OBSERVE

THE

FOLLOWING

RULES

REGARDING

THE

USE

OF

THIS

UNIT.

.

Operate

only

from

the

power

source

specified

on

the

unit.

.

Avoid

damaging

the

AC

plug

and

power

cord.

.

Avoid

improper

installation

and

never

position

the

unit

where

good

ventilation

is

unattainable.

.

Do

not

allow

objects

or

liquid

into

the

cabinet

openings.

.

In

the

event

of

trouble,

unplug

the

unit

and

call

a

service

technician.

Do

not

attempt

to

repair

it

yourself

or

remove

the

rear

cover

Caution:

When

you

do

not

use

this

TV

set

for

a

Jong

period

of

time,

be

sure to

disconnect

the

power

plug

from

the

AC

outlet

for

your

safety.

If

the

TV

set

is

plugged

into

an

AC

outlet,

a

small

amount

of

current

is

applied

to

the

TV

set

even

if

the

TV

set’s

power

is

turned

off.

Thank

you

for

purchasing

a

JVC

color

monitor/receiver

(TV).

Your

JVC

TV

carries

many

useful

features

including

the

MAS-

TER

COMMAND

system

which

allows

operation

of

‘all

TV

functions

via

a

single

remote

contro}

unit.

To

ensure

your

complete

understanding,

please

read

all

instruc-

tions

in

this

booklet

before

operation.

FEATURES

@

27-inch

FS

(Full-Square)

picture

tube

Comb

filter

for

improved

picture

quality

e

180-Channel

cable-compatible

frequency

synthesizer

tuner

with

built-in

MTS

decoder

®@

S-VIDEO

input

terminal

for

taking

best

advantage

of

Super

VHS

®

Video/audio

input,

line

output

and

variable

audio

output

terminals

@

Surround

sound

capability

with

external

speaker

terminals

@

MASTER

COMMAND

remote

control

with

multi-color

on-

screen

“Menu”

display,

allowing

interactive,

total

TV

opera-

tion

Installation

oe

ee

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eee

Remote

Control

Use

:

Controts

and

Their

Locations

.

.

TV

Operation

.......:....

Function

Buttons

.,........

Menu

Button

.

2...

2.

eee

ee

te

eee

Menu

PAGE

-1

1.

Choice

Programing

10

2.

Channei

Scan

WW

-3.

Set-up

AV

Status

12

Menu

PAGE-2

4.

Sleep

Timer...

ccc

eee eee

e

ee

eee

eene

13

5,

Set

On

Timer

~.

14

6.

Set

Clock

2...

0.

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ee

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eens

15

Menu

PAGE-3

7,

Home

Sitter...

6...

ee

eee

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ens

16

8.

Channel

Guard

-.

17

9.

Initial

Set-up

......

..

19

More

Useful

Functions

...

.-

2i

Connecting

to

External

Equipment

-

22

Before

You

Cail

for

Service

27

Specifications

2...

2...

0.20.02

ee

eee

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27

ANTENNA

CONNECTIONS

An

outdoor

antenna

is

recommended

for

good

TV

picture

recep-

tion.

(For

installation

of

the

outdoor

antenna

system,

consult

your

focal

dealer.)

VHF/UHF

outdoor.

antenna

Ss

Antenna

terminal

INSTALLATION

MOTE

CONTROL

GABLE

TV

CONNECTIONS

Incoming

cable

Antenna

terminal

|

Some

cable

companies

require

a

converter

box

to

receive

all

‘available

programs,

Others

may

require

it

for

subscription

or

“premium”

programing.

Consuit

your

local

cable

com-

pany

for

correct

installation,

@|

When

connecting

both

a

cable

{75-ohm

coaxial)

and

a

UHF

antenna

(300-ohm

feeder),

use

the

optional

antenna

mixer

{CE41467)

to

make

a

single

connection.

From

From

UHF

antenna

~~

s

ble

To

Antenna

terminat

Note:

With

this

antenna

mixer,

reception

of

cable

channels

higher

than

“Channel

W

+

1.7"

is

not

possible.

Correct

Use

@

Point

to

the

Remote

Control

sensor

of

the

TV

set.

@

The

maximum

operable

distance

is

approximately

23

ft

from.

the

Remote

Control

sensor,

and

no

more

than

30°

to

either

side

of

center.

®@

Operation

of

the

Remote

Control

is

most

effective

when

there

is

nothing

between

it

and

the

Remote

Control

sensor.

®

Duration

of

the

batteries

is

approximately

6

months

to

1

year.

(Duration

varies

depending

on

frequency

of

use.)

Re-

place

the

batteries

when

the

remote

operation

becomes

un-

stable.

Remote

Control

sensor

Front

Penel

DISPLAY

aa

3

case

VIDEO

Oo

mas

1

2

3

setuan

"Sar

0,

2

O,

SCO00

Battery

Installation/Notes

@|

Press

the tab

and

lift

up

the

cover

in

the

direction

of

the

arrow.

|

Correctly

install

the

batteries,

observing

(+/-)

polarities

as

shown.

@|

Do

not

use

a

combination

of

old

and

new

batteries

or

bat-

teries

of

different

types.

@)

If

batteries

become

exhausted,

remove

and

replace

them

soon.

:

©|

If

Remote

Control

will

not

be

used

for

more

than

2

weeks,

remove

batteries.

®@)

When

battery

leakage

occurs,

clean

the

battery

compart-

ment

with’a

soft

cloth

and

replace

the

batteries.

S09Zc-AV

S0SZ2-AV

(o9€0S°0N)

:9

‘CONTROLS

AND

THEIR

LOCATIONS

Front

Panel

Contro!

Section

Remote

Control!

Section

:

Front

Panel

Control

Section

@

POWER

button

@

POWER/ON

TIMER

indicator

@

VOLUME

{-/+}

buttons

@

LEVEL/CHANNEL

{-/+)

buttons

@

FUNCTION

button

@

Remote

Contro!

sensor

Rear

Panel

Control

Section

@

Antenna

terminal

@

VIDEO/AUDIO

INPUT

connectors

@

LINE

OUT

connectors

@

AUDIO

OUT

(VARIABLE)

connectors

@

EXT

SPKR

switch

@

EXT

SPKR

terminals

®

S-VIDEO

IN

connector

Remote

Control

Section

@

MENU

button

@

DISPLAY

button

@

TV/VIDEO

button

@

ANT/CABLE

button

@

RETURN

button

@

MAIN/SAP

button

@

RECALL

CHOICE

button

©

@

AV

STATUS/RESET

button

@

MUTE

button

@®

FUNCTION

BACK

button

@

FUNCTION

(-/+)

buttons

@

FUNCTION

FORWARD

button

@

CHANNEL

{-/+)

buttons

@

100+

button

@

10-Digit

Keypad

(FUNCTION

RM-C424

TV

REMOTE

CONTROL

*Buttons

@

and

@

on

the

Remote

Control

have

the

same

functions

as

those

of

buttons

@

and

©

on

the

front

panef

control

section.

*Please

refer

to

the

above

numbers

on

the

following

pages.

1

OPERATION

|

Front

Panel

Basic

Operating

Procedure

Press

POWER

button

@

on

either

the

Remote

Control

or

front

panel.

POWER/ON

TIMER

indicator

@

lights.

Press

this

button

again

to

turn

power

off.

Note:Certain

channels

have

been

preset

at

the

factory.

!t

may

be

necessary

to

add

or

erase

some

channels

in

your

areas.

See

“9,

INITIAL

SET-UP”

on

page

19

for

presetting

channels,

©

Channels

can

be

selected

directly

by

using

10-Digit

Keypad

@

on

the

Remote

Control.

For

example,

if

you

select

channel

5,

just

press

“5”,

or

press

“O”

first,

then

press

“5”.

For

cable

channels

of

3-digit

numbers,

use

100+

button

@

.

For

example,

if

selecting

channel

120,

press

100+

button

first,

then

press

“2”,

then

“0”.

Also

refer

to

the

CABLE

TV

CHANNEL

CONVERSION

CHART

on

the

left

page.

MASTER

Commuane

oe

Ee

VOLUME

Note:

If

the

POWER/ON

TIMER

indicator

remains

lit

even

after

the

Power

is

turned

off,

it

shows

the

ON

TIMER

is

in

operation.

See

“5.

SET

ON

TIMER"

on

page

14

and

"7,

HOME

SITTER”

on

page

16.

Remote

Control

B

Press

TV/VIDEO

button

@

on

the

Remote

Control

(or

the

FUNCTION

and

LEVEL/CHANNEL

(-/+)

buttons

on

‘L

(09€0¢9°0N)

RMCA2s

TY

REMOTE

CONTROL

First

Preparations

®

Connect

either

Antenna

or

Cable

TV

by

following

“Installa-

tion”

instructions

on

page

3.

©

Insert.

batteries

into

the

Remote

Contro!

unit

by

following

“Remote

Control

Use’

instructions

on

page

3.

@

Connect

the

power

cord

to

120

V,

60

Hz

AC

outlet.

The

power

cord

is

supplied

with

a

potarized

plug.

Therefore,

it

wilt

only

insert

one

way

into

the

wall

outlet.

DO

NOT

DEFEAT

THE

POLARIZED

PLUG.

If

you

have

difficulty,

consult

your

local

dealer.

CABLE

TV.CHANNEL

CONVERSION

CHART

In

addition

to

normal

TV

reception

from

an

antenna

for

VHF

(Channels

2

—

13)

and

WHF

(Channels

14

—

69),

your

TV

set

is

equipped

to

receive

non-serambled

cable

TV

channels.

Sub-

Mid

band

(A-8,

A-4

—

A-1),

Mid

band

(A=I),

Super

band

(J

—

W),

Hyper

band

(W

+ 1

—

W

+28)

and

Ultra

band

(W+29

—

W

+

84)

can

be

received

by

using

the

channel

selections

as

shown

in

the

following

chart.

[25-26

{27

|

{|

yu

we

2

x

i

a3

_

he

aes

ner

we

39

40

41

45 46

W+12

wae

a

WHi5,

ae

ee

wa

nor

wad

ae

—

48

49

$1

52 55 57

aE

wee

wat

{28

Wize

63

W+31

we

wd

we

|

wes

|

wa

aT

W438

_

ee

2

73

74_|

75

76_{

77

si

ss ue

nie

W+46

heart

ne

gi

82

83

67

W+50

Te

aa

aes

wie

W+5S

{|

W+56

|

W457

Wess

W+59

1

W+60

|

W+61

aa

W+64

Ws67

a6

|

87

|

83

|

ag

31

52

|

93

100

shy

to2_|

103

|

104

|

105

[

i06

[|

107

|

108

W+68

|

W+69

|

W+70

|

WH7t

|

W+72

ear

W+74

|

W+75

|

Wt76.

wa

W+78

|

w+79

|

Wee

|

W+81

|

Wt82

|

W+83

|

Wr8s

12

[|

13

|

14

[

15

|

116

123

|

124

:

Regular

cable

channel

designations

*

:

Your

TV

set‘s

corresponding

on-screen

CABLE

channel

numbers

Note:

Reception

of

channel

A-5

{95°

of

the

TV

set’s

on-screen

CABLE

channel

numbers)

is

not

recommended

for

your

TV

set.

the

front

pane!)

to

select

the

TV

mode.

CHANNEL-

II

ane

Eq]

Press

ANT/CABLE

button

@

on

the

Remote

Control

to

select

the

broadcast

mode.

Each

time

it

is

pressed,

the

mode

is

switched

between

“CHANNEL”

and

“CABLE”.

When

connected

to

an

antenna,

select

“CHANNEL”

mode

for

normal

VHF/UHF

reception.

When

connected

to

cable

TV,

select

“CABLE”

mode.

The

on-screen

display

will

show

the

following:

CHANNEL-O3

a>

CABLE-15

Note:

For

mode

selection

using

the

front

panel

controls,

see

“FUNCTION

BUTTONS”

on

next

page.

Select

desired

channel

using

CHANNEL

{-/+)

buttons

@

on

the

Remote

Control

(or

LEVEL/CHANNEL

(-/+}

but-

tons

@

on

the.

front

panel).

Pressing

the

(+)

button

ad-

vances

to

higher

channels,

(~)

button

to

lower

channels.

CHANNEL-

10

CHANNEL-

it

‘

,

a

"|

CHANNEL

|

9

CHANNEL-

12

;

CHANNEL~

120

Note:

When

a

video

source

such

as

a

VCR

is

connected

to

the

an-

tenna

terminal

to

be

viewed

on

Channel

3

{or

Channel!

4),

sometimes

channel

selection

may

result

in

an

unclear

or

dis-

torted

picture,

In

this

case,

re-select

Channel

3

(or

4)

by

pressing

“3’'

(or

‘'4")

of

the

10-Digit

Keypad

and

the

picture

will

become

clear.

[Gq

Press

VOLUME

(-/+)

buttons

@

on

either

the

Remote

Control

or

front

panel

to

adjust

volume

to

your

desired

listening

level,

Pressing

the

(+)

button

will

increase

sound

volume,

the

(-)

button

will

decrease

sound

volume.

The

volume

level

is

indicated

on

the

screen

by

reference

numbers

{O

—

50)

and

by

a

bar

scale,

as

shown.

VOL

rains

Note:

The

volume

level

can

be

muted

instantly

by

pressing

MUTE

button

@

on

the

Remote

Control,

See

“MUTE

Button"

on

page

21.

On-Screen

Display

®@

Once

the

on-screen

display

appears

on

the

screen,

it

disap-

pears

in

a

few

seconds.

(Only

the

clock

time

can

be

kept

di-

splayed

on

the

screen.

See

“DISPLAY

Button”

on

page

21.)

@

When

tuned

to

a

channel

where

no

program

is

being

broadcast,

the

on-screen

display

may

be

unclear

or

blurred.

®

On-screen

displays

are

available

in

two

different

layouts

{except

for

displays

of

the

channel

number

and

clock

time).

See

“9,

INITIAL

SET-UP”

on

page

19

for

selecting

the

display

mode.

:

®@

Channel

numbers

of

the

“CHOICE

channels

can

be

displayed

with

their

station

call

letters.

1f

you

prefer

to

do

so,

enter

the

station

cal!

letters

when

you

program

the

“CHOICE

channels”.

See

“1.

CHOICE

PROGRAMING”

on

page

10.

>>

Date

nO

ND

SIN

io)

1

foo)

tn

(O9E09°0N)

8

Front

Panel

The

FUNCTION

button

on

the

front

panel

selects

the

control

modes

for

TV

operation

and

picture/sound

adjustment.

©@

Press

FUNCTION

button

@

on

the

front

panel.

The

first

time

itis

pressed,

the

following

display

appears

on

the

screen.

HARKER

INNEL

@

At

this

time,

the

top

line

shows

the

current

channel

number.

Press

FUNCTION

button

@

to

select

the

desired

item

for

ad-

justment.

Each

time

the

FUNCTION

button

is

pressed,

the

magenta-colored

portion

shifts

in

the

order

below

to

show

that

the

colored

item

in

the

list

can

be

adjusted,

Note:

Three

pages

of

on-screen

displays

are

available

with

the

.

FUNCTION

button.

[1].CHANNEL

SELECT

mode

[2]

ANTENNA/CABLE

SELECT

mode

[3]

TV/VIDEO

SELECT

mode

[4]

MTS

SELECT

mode

(5)

TINT

adjustment

mode

{6]

COLOR

adjustment

mode

[7]

PICTURE

adjustment

mode

[8]

BRIGHT

adjustment

mode

fg]

DETAIL

adjustment

mode

BASS

adjustment

mode

(Il)

TREBLE

adjustment

mode

[f2]

BALANCE

adjustment

mode

VOLUME

YORWARO

AM.C404

TV

REMOTE

CONTROL

Note:

The

Remote

Control’s

FUNCTION

BACK

button

@

or

FORWARD

button

@®

selects

only

picture

and

sound

adjustment

modes:

TINT,

COLOR,

PICTURE,

BRIGHT,

DETAIL,

BASS,

TREBLE

and

BALANCE.

The

other

control

modes

can

be

selected

directly

with

the

Remote

Control's

respective

buttons.

Pressing

FUNCTION

FOR-

WARD

button

@

advances

the

colored

portion

in

the

order

as

shown

on

the

left

for

“picture/sound

adjust-

ment

modes”,

pressing

FUNCTION

BACK

button

@

ad-

vances

in

the

reverse

order.

®@

After

selecting

the

desired

mode,

press

LEVEL/CHANNEL

{-/+)

buttons

@

on

the

front

panel

or

FUNCTION

(-/+}

but-

tons

@

on

the

Remote

Control!

while

the

selected

mode

in-

dication

is

being

displayed

to

make

your

preferred

adjust-

ment.

The

Remote

Control’s

FUNCTION

(-/+)

buttons

@

control

only

picture

and

sound

adjustments.

Notes:

@

When

using

the

front

panel

buttons,

before

the

FUNCTION

button

is

pressed

for

the

first

time

with

nothing

displayed

on

the

screen,

the

TV

is

in

the

“CHANNEL

SELECT”

mode.

Therefore,

in

this

mode,

channel

selection

is

possible

by

pressing

LEVEL/CHANNEL

(-/+)

buttons

@

on

the

front

Panel.

©

After

compteting

picture

and

sound

adjustments

from

the

Remote

Control,

selecting

either

FUNCTION

{-)

or

(+)

button

@

will

return

directly

to

the

last

chosen

adjustment

mode.

fi]

CHANNEL

SELECT

mode

in

this

mode,

press

LEVEL/CHANNEL

(+)

button

@

on

the

front

panel

to

scan

up

the

channel,

and

press

the

(-}

button

to

scan

down

the

channet.

(The

screen

illustrations

below

show

the

case

when

the

TV

is

in

the

“CHANNEL”

mode.

When

in

the

“CABLE”

mode,

the

“CABLE”

indication

appears

instead

of

“CHANNEL’’,}

(2)

ANTENNA/CABLE

SELECT

(broadcast)

mode

In

this

mode,

press

LEVEL/CHANNEL

(-/+)

buttons

@

on

the

front

panel

to

change

the

broadcast

mode

between

“CHANNEL”

(for

regular

VHF/UHF

channels)

and

“CABLE”

(for

cable

channels).

Notes:

®

Mode

selection

can

be

performed

with

MAIN/SAP

but-

ton

@®

.

Each

time

it is

pressed,

the

mode

changes

in

the

order

of

“STEREO”

—

“SAP”

—

“MONO”

—

“STEREO”.

©

If

the

TV

set

is

kept

always

set

to

the

stereo

mode,

when

a

stereo

broadcast

is

received,

stereo

sound

is

out-

put

automatically.

©

|f

the

received

stereo

signal

is

weak,

noise

may

be

heard.

In

such

a

case,

press

LEVEL/CHANNEL

(-/+)

buttons

@

(or

MAIN/SAP

button

®

)}

to

engage

the

MONO

mode

for

better

sound

reception.

@

if

the

received

SAP

signal

is

weak,

the

SAP

will

not

be

heard.

Select

the

MONO

mode

for

better

sound

re-

ception.

,

@

Even

if

both

stereo

and

SAP

broadcasts

are

received,

both

broadcasts

cannot

be

heard

at

a

time.

When

using

the

TV

set

for

cable

reception

Transmission

of

Cable

TV

signals

may

differ

from

off-air

TV

broadcasts,

It

is

possible

that

the

multichannel

TV

sound

(MTS)

may

not

be

received

satisfactorily.

(5]-

(f2]

Picture/sound

adjustment

modes

[3]

TV/VIDEO

SELECT

mode

In

this

mode,

press

LEVEL/CHANNEL

({-/+)

buttons

@

on

the

front

panel

to

switch

the

mode

between

“TV”

(for

off-

air

or

cable

TV

broadcasts)

and

“VIDEO”

(for

video

source

which

is

connected

to

the

TV

set's

VIDEO/AUDIO

INPUT

connectors

or

$-VIDEO

IN

connector).

See

“CONNECT-

ING

TO

EXTERNAL

EQUIPMENT”

on

page

22.

Note:

Mode

selection

can

be

performed

with

TV/VIDEO

button

@

on

the

Remote

Control.

[4]

MTS

SELECT

mode

Your

TV

set

incorporates

an

MTS

(Multichannel!

Tetevision

Sound)

decoder

to

receive

stereo

broadcasts

and

any

ac-

companying

SAP

(Second

Audio

Program},

such

as

a

bilingual

broadcast.

Available

sound

will

be:

{1}

Monaural

(MAIN)

audio

program

(regular

broadcasts)

(2)

STEREO

(MAIN)

audio

program

{3)

Second

Audio

Program

(SAP)

In

this

mode,

the

“<-

ON

AIR”

shows

that

the

MTS

mode

is

now

being

broadcast.

Press

LEVEL/CHANNEL

(-/+)

but-

tons

@

to

change

the

reception

mode

among

“STEREO”,

“SAP”

and

“MONO”.

Each

time

it is

pressed,

the

color

of

the

indication

changes

from

blue

to

magenta

to

show

that

the

mode

has

just

been

switched.

In

these

modes,

an

adjustment

scale

with

a

marker

appears

on

the

screen.

Press

LEVEL/CHANNEL

(-/+)

buttons.

@

on

the

front

panel

or

FUNCTION

(-/+)

buttons

@

on

the

Remote

Control

to

fine

adjust

each

item

to

your

pre-

ference

according

to

the

chart

below.

(The

center

position

is

only

a

reference

level,

rather

than

a

standard

setting.)

son

|

eas

|

Strong

TREBLE

Strong

BALANCE

Right

Soft

Left

Note:

When

you

wish

to

restore

all

adjustment

modes

to

their

scales’

center

positions,

use

AV

STATUS/RESET

button

@

«.

For

details,

see

“AV

STATUS/RESET

Button”

on

page

13.

TINT

i)

<—|—>

es)

Marker

>>

Fate

Nh

sd

im

oi

oo

i

6

(O9€03"0N)

Front

Panel

‘Remote

Control

ANT)

TWP

CABLE ViOEO

agTuAN

foun}

RECALL

Ghoice

Oo

Maun

‘sar

fame}

PAGE-1

This.

function

enables

storing

up

to

5

frequently-viewed

chan-

nels

as

“CHOICE

channels”,

allowing

immediate,

direct

ac-

cess

to

the

channel

of

your

choice

using

RECALL

CHOICE

button

@

.

1)

While

in

the

channel

select

mode

(either

“CHANNEL”

or

“CABLE”

mode),

determine

the

channel

you

wish

to

preset

as

a

CHOICE

channel

and

display

it

on

the

screen.

Noe

example,

press

“0”

and

“9”

to

display

“CHANNEL

09").

oa

2)

With

“PAGE-1"

MENU

displayed

on

the

screen,

press

“1”

of

©

40-Digit

Keypad

@

.

The

display

will

show:

The

“MENU”

button

selects

a

list

of

functions

that

can

be

pro-

grammed

for

operating

the

TV

more

conveniently.

This

func-

tion

is

possible

only

on

the

Remote

Control.

@

Press

MENU

button

@

on

the

Remote

Control

to

display

the

list

of

programmable

convenience

functions

on

the

screen.

The

“MENU”

consists

of

3

pages.

Press

the

MENU

button

repeatedly

to

display

the

pages

in

the

sequence

below.

©

Press

numbers

“1”

through

“9”

on

10-Digit

Keypad

@

to

select

the

corresponding

function

in

the

numbered

“MENU”,

3)

Press

a

number

(1

—

5)

on

10-Digit

Keypad

@

for

the

CHOICE

channel

number

you

wish

to

preset.

Then,

the

fol-

fowing

display

will

appear.

{For

example,

press

‘1’

for

storing

“CHANNEL

09”

as

the

“CHOICE

1”

channel.}

-10—

4)

With

this

display,

you

can

store

the

TV

station’s

call

letters

5)

Press

the

FUNCTION

FORWARD/BACK

buttons

for

select-

for

handy

reference

along

with

its

channel

number.

{Up

to

4

letters

can

be

stored.)

If

you

choose

to

store

the

call

letters,

press

‘1’.

The

following

display

will

appear.

ERANNEL

QS

3.

--

PRESS

170

FINISH

©

\f

you

choose

not

to

store

call

letters,

press

“2”

of

the

10-

Digit

Keypad.

The

CHOICE

LIST

will

appear

to

show

that

the

CHOICE

PROGRAMING

mode

has

been

disengaged.

RECALL

CHOICE

Button

@

Simply

press

RECALL

CHOICE

button

@

anytime

you

want

to

call

up

the

list

of

preset

CHOICE

channels

for

con-

venient

direct

CHOICE

channel

selection.

While

the

list

is

on

the

screen,

press

the

corresponding

num-

ber

of

10-Digit

Keypad

@

(1

—

5)

to

select

the

preferred

channel.

2.

CHANNEL

SCAN

This

feature

allows

automatic

scanning,

in

ascending

order,

of

the

channels

which

have

been

stored

following

the

pro-

cedures

of

“9.

INITIAL

SET-UP”

{described

on

page

19).

1)

With

“PAGE-1"

MENU

displayed

on

the

screen,

press

“2”

of

10-Digit

Keypad

@

.

@

All

memorized

channels

{either

“CHANNEL”

or

“CABLE”

mode)

will

now

be

scanned

sequentially

in

ascending

order

beginning

with

the

channel

that

the

TV

is

tuned

to.

Scanning

will

stop

automatically

when

the

original

chan-

nel

is

reached.

“SCAN

STOP”

appears

to

show

the

CHANNEL

SCAN

mode

has

finished.

CHANNEL-O2

ml

»

CHANNEL-69

Eb

SCAN

STOP

6]

ing

each

of

the

call

letters

to

be

stored.

Avaiiable

characters

include

the

alphanumeric

characters

(26

English-language

letters

and

10

numerals},

plus

various

punctuation

marks

(period,

comma,

etc.).

Then,

move

the

cursor

to

the

next

letter

position

by

pressing

the

FUNCTION

(-/+)

buttons

on

the

Remote

Control.

When

finished

selecting

up

to

4

call

letters,

press

“1”.

(For

example,

if

you

store

the

letters

“JVC”,

keep

the

FUNCTION

FORWARD

or

BACK

button

pressed

until

the

letter

“J’’

appears.

Then,

press

the

FUNCTION

(+)

button

to

move

the

cursor

one

letter

position

to

the

right.

Press

FUNC-

TION

FORWARD

or

BACK

to

select

the

letter

“V",

then

move

the

cursor

to

the

right

again

with

FUNCTION

(+).

In

the

same

way,

select

'C”,

then

press

1’

to

end

the

opera-

tion.)

The

CHOICE

LIST

is

displayed

for

a

few

seconds.

Repeat

steps

1}

through

5)

to

preset

up

to

5

CHOICE

chan-

nels.

CHOICE

Ld

LEA

ABLE

8

30

2)

Press

any

button

on

the

Remote

Control,

if

you

wish

to

stop

scanning

at

a

certain

channel

before

the

original

channel

is

reached.

To

resume

scanning,

press

MEMU

button

@

and

then

“2”

of

10-Digit

Keypad

@

.

: :

Notes:

@

When

the

TV

is

in

the

“CABLE”

mode,

the

“CABLE”

indi-

cation

appears

on

the

screen

instead

of

“CHANNEL”.

©

For

changing

memorized

channels,

see

“9.

INITIAL

SET-UP”.

©

If

you

wish

to

start

CHANNEL

SCAN

at

a

specific

channel,

first

select

the

broadcast

mode

(CHANNEL

or

CABLE}

then

that

channel

number,

and

then

follow

instructions

on

the

left.

®

While

actual

CHANNEL

SCAN

is

being

performed,

al!

front

panel

buttons

become

inoperable.

~-1-—

22>

<<

SN

rea

iw

(o960S°ON)

OF

.Front

Panel

ante

tye

CABLE

VIOEO

wan,

nerurn

“Sar

Oo

RECALL

Snore

fous)

=|

CY,

CHANNEL

-

+

3.

SET-UP

AV

STATUS

Your

TV

set

incorporates

the

AV

STATUS

memory

that

can

store

2

variations

for

preset

picture/sound

adjustments,

allow-

ing

you

to

change

the

picture/sound

tone/speaker

balance

to

your

preference,

depending

on

each

source.

1)

With

“PAGE-1”

MENU

displayed

on

the

screen,

press

3"

of

10-Digit

Keypad

@

.

The

display

will

show:

2)

Make

picture

adjustments

to

your

preference.

Use

the

FUNCTION

BACK/FORWARD

buttons

to

select

the

item,

and

use

the

FUNCTION

(-/+)

buttons

to

adjust

each

item.

If

you

also

wish

to

make

sound

adjustments,

press

‘1’

to

advance

the

adjustment

mode

display.

The

following

display

will

appear,

(Press

‘'1’’

again

to

return

to

the

picture

adjust-

ment

display.)

Bass,

W

TREBLE

W

eeL

ANCE

i

3)

Make

sound

adjustments

to

your

preference.

Use

the

FUNC-

TION

BACK/FORWARD

buttons

to

select

the

item,

and

use

the

FUNCTION

(-/+)

buttons

to

adjust

each

item.

When

finished,

press

’’2''.

The

following

display

will

appear.

4)

Press

“1”

to

store

the

setting

as

the

“AV

STATUS

A”.

(Press

“2”

to

store

it

as

the

“AV

STATUS

B”.)

Then

the

picture

and

sound

adjustment

settings

{items

and

their

reference

scales)

appear

for

a

few

seconds

each.

TINT

COLOR

PICTURE

Bass

I

BRIGHT

TREBLE.

w

DETAIL

Il

BALANCE

ll

5)

Repeat

steps

1}

through-4)

for

making

another

AV

STATUS

setting.

Note:

When

you

wish

to

choose

the

preset

AV

STATUS,

just

press

the

AV

STATUS/RESET

button

@

to

choose

either

set

of

AV

STATUS

adjustments.

For

details,

see

"AV

STATUS/RESET

Button”

on

the

next

page.

~12—-

AV

STATUS/RESET

button

Use

this

button

for

choosing

the

preset

AV

STATUS

or

for

resetting

the

picture/sound

adjustment

items.

Press

AV

STATUS/RESET

button

@

onthe

Remote

Control.

The

following

display

appears.

®

Another

pressing

of

the

AV

STATUS/RESET

button

resets

all

previously

adjusted

items

to

their

center

positions,

1.

AV

STATUS

A

Press

“1”

of

10-Digit

Keypad

@

for

selecting

AV

STATUS

A.

The

picture

and

sound

change

as

preset

for

“AV

STATUS

A”.

Then

the

picture

and

sound

adjustment

settings

(items

and

their

reference

scales)

appear

for

a

few

seconds

each.

2.

AV

STATUS

B

Press

2"

for

selecting

AV

STATUS

B.

The

picture

and

sound

change

as

preset

for

“AV

STATUS

B"'.

Then

the

picture

and

sound

adjustment

settings

{items

and

their

reference

scales)

appear

for

a

few

seconds

each,

3.

RESET

Press

3"

when

you

wish

to

reset

all

adjusted

items

(TINT,

COLOR,

PICTURE,

BRIGHT,

DETAIL,

BASS,

TREBLE

and

BALANCE)

back

to

their

center

positions

at

the

same

time.

The

on-screen

displays

appear

and

change

as

follows.

TINT

OUR

BASS

u

iC

TURE

TREBLE

a

eignt

BALANCE

tl

DETAIL

Note:

While

in

this

mode,

the

setting

of

the

AV

STATUS

can-

not

be

cancelled.

PAGE-2

The

“SLEEP

TIMER”

feature

allows

you

to

turn

off

your

TV

automatically

at

a

preset

time.

1)

With

“PAGE-2”

(or

“PAGE-1”

or

“PAGE-3”)

MENU

dis-

played

on

the

screen,

press

“4”

of

10-Digit

Keypad

@

.

The

display

will

show:

@

If

the

built-in

clock

has

not

been

set

to

operate

properly,

the

SLEEP

TIMER

will

not

function.

In

this

case,

the

following

display

will

appear

on

the

screen

to

show

that

the

clock

re-

quires

adjustment.

POUER

INTERRUPTEO,

UOULD

“TOU.

SET

CLOCK}

Press

‘'1'°

(YES)

of

the

10-Digit

Keypad

to

adjust

the

clock,

(1f

“2”

(NO)

is

pressed,

the

warning

message

“YOU

CANNOT

OPERATE

SLEEP

TIMER!

!"

is

displayed.)

Set

the

built-in

clock.

(See

‘6.

SET

CLOCK"’

on

page

15

for

details.)

When

the

clock

is

adjusted,

the

message

“THANK

YOU"

appears.

Then,

the

following

display

appears

to

show

that

the

SLEEP

TIMER

is

now

ready

to

be

set.

2)

Press

the

numbers

on

the

10-Digit

Keypad

to

set

the

desired

switch-off

time.

The

SLEEP

TIMER

can

be

set

for

up

to

17

hours

59

minutes

from

the

current

time.

For

example,

if

it is

now

7:00

PM,

and

you

want

the

TV

to

switch

off

automatically

at

9:00

PM,

press

“9”,

“0”

and

"0".

(The

““AM/PM’

setting

is

done

automatically.)

The

selected

time

of

“9:00

PM”

appears.

@

When

you

select

“1”

for

hour

setting

(for

example,

“1:05

AM"),

remember

to

press

“0”

first,

then

press

“1”,

“O”

and

nBir

3)

To

cancel

the

SLEEP

TIMER

setting,

key

in

the

current

time

(the

current

time

setting

of

the

TV’s

built-in

clock).

Notes:

©

Jf

an

invalid

time

is

selected

(for

example:

'5:87”},

it

will

be

rejected

and

the

SLEEP

TIMER

must

be

reset

properly.

®

While

the

SLEEP

TIMER

is

activated,

if

the

POWER

button

is

pressed

to

turn

the

power

off

and

on

again,

the

SLEEP

TIMER

will

be

cancelled.

”

@

While

the

SLEEP

TIMER

is

activated,

if

the

power

is

discon-

nected

(such

as

in

the

case

of

power

failure,etc.)

and

reap-

plied

later,

the

TV

is

turned

off.

When

disconnected

only

for

a

couple

of

minutes,

the

SLEEP

TIMER

is

reactivated;

how-

ever,

it

turns

the

TV

off

later

than

the

set

time

by

the

amount

of

time

of

interruption.

@

The

SLEEP

TIMER

may

turn

off

the

TV

a

little

earlier

than

the

preset

time.

©

When

the

remaining

time

reaches

1

minute,

the

message,

“GOOD

NIGHT",

will

be

displayed

and

continue

to

blink

until

the

power

turns

off

automatically.

-1i3—