LG 15LS1RA, 20LS1RA, MFL34797015 Owner's Manual

Please read this manual carefully before operating
your set.

Retain it for future reference.
Record model number and serial number of the set.
See the label attached on the back cover and quote
this information to your dealer
when you require service.

LCD TV
OWNER’S MANUAL

LCD TV MODELS

15LS1RA
20LS1RA

P/NO : MFL34797015 (0705-REV00)

Printed in Korea

www.lge.com

1

IMPORTANT SAFETY INSTRUCTIONS

WARNING

W

WARNING

Read these instructions.
Keep these instructions.
Heed all warnings.
Follow all instructions.

Do not place the product in direct sunlight or
near heat sources such as heat registers,
stove and so on.

This may cause a fire.

Do not use the product in damp place such
as a bathroom or any place where it is likely
to get wet.

This may cause a fire or could give an electric shock.

Bend antenna cable between inside and out­side building to prevent rain from flowing in.

This may cause water damaged inside the product and could
give an electric shock.

Earth wire should be connected.

If the earth wire is not connected, there is possible a danger
of electric shock caused by the current leakage.

If grounding methods are not possible, a separate circuit
breaker should be employed and installed by a qualified
electrician.

Do not connect ground to telephone wires, lightning rods
or gas pipe.

Do not placing anything containing liquid on
top of the product.

This may cause a fire or could give an electric shock.

Wet Location Marking :

Apparatus shall not be exposed to dripping or splashing and
no objects filled with liquids, such as vases, shall be placed
on the apparatus.

Do not insert any object into the exhaust vent.

This may cause a fire or could give an electric shock.

Do not place heavy objects on the product.

This may cause serious injury to a child or adult.

Important safety instructions shall be provided with each apparatus. This information shall be given in a separate
booklet or sheet, or be located before any operating instructions in an instruction for installation for use and
supplied with the apparatus.

This information shall be given in a language acceptable to the country where the apparatus is intended to be
used.

The important safety instructions shall be entitled “Important Safety Instructions”. The following safety
instructions shall be included where applicable, and, when used, shall be verbatim as follows. Additional safety
information may be included by adding statements after the end of the following safety instruction list. At the
manufacturer’s option, a picture or drawing that illustrates the intent of a specific safety instruction may be
placed immediately adjacent to that safety instruction :

Owner Manual

Owner Manual

Owner Manual

Owner Manual

Owner Manual

Power

supplier

Short-circuit

breaker

1

4

5

6

7

8

2

3

2

IMPORTANT SAFETY INSTRUCTIONS

WARNING

Do not use water the product while cleaning.

This may cause damaged the product or could give an elec­tric shock.

In case of smoke or strange smell from the
product, switch it off ,unplug it from the wall
outlet and contact your dealer or service
center.

This may cause a fire or could give an electric shock.

Do not attempt to service the product your­self. Contact your dealer or service center.

This may cause damaged the product or could give an electric
shock.

Never touch this apparatus or antenna during
a thunder or lighting storm.

This may cause an electric shock.

Never touch the power plug with a wet hand.

This may cause an electric shock.

Disconnect from the mains and remove all
connections before moving.

Do not place the product in a built-in
installation such as a bookcase or rack.

Ventilation required.

When installing the product on a table, be
careful not to place the edge of its stand.

This may cause the product to fall, causing serious injury to
a child or adult, and serious damage to the product.

Do not place an outside antenna in the vicinity
of overhead power lines or other electric light
or power circuits.

This may cause an electric shock.

There should be enough distance between an
outside antenna and power lines to keep the
former from touching the latter even when
the antenna falls.

This may cause an electric shock.

Do not pull the cord but the plug when
unplugging.

This may cause a fire.

Owner Manual

Owner Manual

W

WARNING

W

NOTE

Owner Manual

9 1

2

3

4

5

6

7

10

11

12

3

Ensure the power cord doesn’t trail across
any hot objects like a heater.

This may cause a fire or an electric shock.

Do not plug when the power cord or the plug
is damaged or the connecting part of the
power outlet is loose.

This may cause a fire or an electric shock.

Dispose of used batteries carefully to protect
a child from eating them.

In case that it eats them, take it to see a doctor immediately.

When moving the product assembled with
speakers do not carry holding the speakers.

This may cause the product to fall, causing serious injury to
a child or adult, and serious damage to the product.

Unplug this product from the wall outlet
before cleaning. Do not use liquid cleaners or
aerosol cleaners.

This may cause damaged the product or could give an electric
shock.

Contact the service center once a year to
clean the internal part of the product.

Accumulated dust can cause mechanical failure.

The distance between eyes and the screen
should be about 5 - 7 times as long as diag­onal length of the screen.

If not, eyes will strain.

Unplug the product from the wall outlet when
it is left unattended and unused for long periods
of time.

Accumulated dust may cause a fire or an electric shock from
deterioration or electric leakage.

Only use the specified batteries.

This make cause damaged the product or could give an
electric shock.

Do not allow a impact shock or any objects to
fall into the product, and do not drop onto the
screen with something.

You may be injured or the product can be damaged.

W

NOTE

8

9

10

11

12

13

14

15

16

17

NOTE

!

GG

If the TV feels cold to the touch, there may be a small “flicker” when it is turned on. This is normal, there
is nothing wrong with TV.

Some minute dot defects may be visible on the screen, appearing as tiny red, green, or blue spots. However,
they have no adverse effect on the monitor's performance.

Avoid touching the LCD screen or holding your finger(s) against it for long periods of time. Doing so may pro­duce some temporary distortion effects on the screen.

On Disposal

a. The fluorescent lamp used in this product contains a small amount of mercury.
b. Do not dispose of this product with general household waste.
c. Disposal of this product must be carried out in accordance to the regulations of your local authority.

4

CONTENTS

WARNING

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Important Safety Instructions

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

PREPARATION

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5

Front Panel Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Back Panel Information

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Stand Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Detaching Stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Back Cover for Wire Arrangement

. . . . . . . . . . . . . . . . . . . . . 10

Positioning Your Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Desktop Pedestal Installation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Kensington Security System

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Antenna or Cable Connection

. . . . . . . . . . . . . . . . . . . . . . . . . . 13

EXTERNAL EQUIPMENT SETUP

HD Receiver Setup

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14

DVD Setup

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Headphone Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

VCR Setup

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

PC Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Screen Setup

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

- Auto Configure

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

- Manual Configure

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

- Initializing

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

WATCHING TV / CHANNEL CONTROL

Remote Control Functions

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Turning On TV

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Channel Selection

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Volume Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

On-Screen Menus Selection

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Channel Search

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

- Auto Program: Channel Search . . . . . . . . . . . . . . . . . .28

-

Manual Program: Adding/Deleting Channels

. . . . .29

Fine Tuning Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Favorite Channels Setup

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Key Lock

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

PICTURE CONTROL

Preset Picture Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

- Auto Picture Control (APC) - Preset

. . . . . . . . . . 33

- Color Tone - Preset.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

Manual Picture Adjustment

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35

- Auto Picture Control (APC) - User Mode

. . . 35

- Color Tone - User Mode

. . . . . . . . . . . . . . . . . . . . . . . . . . .

36

Picture Reset

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

SOUND & LANGUAGE CONTROL

Digital Auto Sound Processing (DASP) . . . . . . . . . . . . . 38

Sound Setting Adjustment - User Mode

. . . . . . . . . . . 39

Auto Volume Leveler (AVL)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Balance

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Stereo/SAP Broadcasts Setup

. . . . . . . . . . . . . . . . . . . . . . . . . . 42

On-Screen Menus Language Selection

. . . . . . . . . . . . . .

43

Caption/Text

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

44

TIME SETTING

Clock Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

Auto On/Off Timer Setting

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Sleep Timer Setting

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

Auto Shut-off Setting

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

APPENDIX

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Maintenance

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Product Specifications

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

PREPARATION

5

PREPARATION

ACCESSORIES

Ensure that the following accessories are included with your product. If an accessory is missing, please contact
the dealer where you purchased the product.

Cable Management

Owner's Manual

1.5V 1.5V

Owner’s Manual

Remote Control

123

456

7809

CH

POWER

MTS

FCRMUTE

A.PROG

CAPTION

TV INPUT

MEMORY/ERASE

Batteries

Power Cord

PREPARATION

6

FRONT PANEL INFORMATION

PREPARATION

■

Here shown may be somewhat different from your TV.

Front Panel Controls

Remote Control Sensor

Power Standby Indicator

Illuminates red in standby mode.

When the TV is turned on, the indicator

blinks green and then illuminates green

before the picture is displayed.

INPUT

MENU

VOL CH

/I

ENTER

CHANNEL
(

EE,DD

)Buttons

VOLUME
(

FF,GG

)Buttons

MENU
Button

ENTER
Button

INPUT
Button

POWER
Button

PREPARATION

7

BACK PANEL INFORMATION

15 inches model

VIDEO

AUDIO

MONO

( )

S-VIDEOVIDEO

ANTENNA IN

COMPONENT IN
(480i/480p/720p)

AUDIO

AV IN

H/P

RGB (PC/DTV) IN

AUDIO

(RGB) IN

1

2 3

20 inches model

Back Connection Panel

7

■

Here shown may be somewhat different from your TV.

5 4

SERVICE ONLY

VIDEO

AUDIO

MONO

( )

S-VIDEOVIDEO

ANTENNA IN

COMPONENT IN

(480i/480p)

AUDIO

AV IN

H/P

( )

1

6

3

5 4

COMPONENT IN

Connect a component video/audio device to these

jacks.

RGB (PC/DTV) IN

Connect the output from a PC or DTV.

AUDIO (RGB) IN

Connect the audio from a PC or DTV.

ANTENNA IN

Connect over-the air signals to this jack.

HEADPHONE INPUT

Plug the headphone into the headphone socket.

AV (Audio/Video) IN

Connect audio/video output from an external

device to these jacks.

S-VIDEO

Connect S-Video out from an S-VIDEO device.

SERVICE ONLY

Power Cord Socket

For operation with AC power.
Caution: Never attempt to operate the TV on DC

power.

1

5

6

7

2

3

4

PREPARATION

8

STAND INSTALLATION

PREPARATION

Assemble parts of the stand body with cover base of the stand. Insert the stand body into a cover base
until clicking sound.

Carefully place the product screen side down on a cushioned surface that will protect product and screen
from damage.

Place the product stand on the product as shown.

stand body

cover base

Make sure that the stand

body is bent upward.

■

Here shown may be somewhat different from your TV.

1

2

3

PREPARATION

9

DETACHING STAND

Carefully place the product screen side down on
a cushioned surface that will protect product and
screen from damage.

Hold the stand with both hands and bend it
upward.

Pull each side of cover base backward during
pressing latch upward.

Hold cover base and pull with shake it backward
to separate from stand body.

Pull stand body to separate from set while press­ing the 2 latches.

■

Here shown may be somewhat different from your TV.

1 2

3

5

4

PREPARATION

10

BACK COVER FOR WIRE ARRANGEMENT

PREPARATION

Connect the cables as necessary.
To connect an additional equipment, see the

EEXXTTEERRNNAALL EEQQUUIIPPMMEENNTT SSEETTUUPP

section.

1

Install the

CCAABBLLEE MMAANNAAGGEEMMEENNTT

as shown.

2

First, press the cable management. Hold the

CCAABBLLEE MMAANNAAGGEEMMEENNTT

with both hands and pull it upward.

NOTE

!

GG

Do not hold the

CCAABBLLEE MMAANNAAGGEEMMEENNTT

when moving the product.

- If the product is dropped, you may be injured or the product may be broken.

How to remove the CABLE MANAGEMENT

■

Here shown may be somewhat different from your TV.

PREPARATION

11

POSITIONING YOUR DISPLAY

■

Here shown may be somewhat different from your TV.

■

Adjust the position of the panel in various ways for maximum comfort.

•• TTiill tt rraa nnggee

12~10

3

0

For proper ventilation, allow a clearance of 4inches on all four sides from the wall.

GG

Ensure adequate ventilation by following the clearance recommendations.

CAUTION

DESKTOP PEDESTAL INSTALLATION

R

4 inches

4 inches

4 inches

4 inches

PREPARATION

12

KENSINGTON SECURITY SYSTEM

PREPARATION

- The TV is equipped with a Kensington Security System connector on the back panel. Connect the
Kensington Security System cable as shown below.

- For the detailed installation and use of the Kensington Security System, refer to the user’s guide provided
with the Kensington Security System.

For further information, contact

hhtttt pp::////wwwwww..kkeennssiinnggtt oonn..ccoomm

, the internet homepage of the
Kensington company. Kensington sells security systems for expensive electronic equipment such as note­book PCs and LCD projectors.

NOTE

- The Kensington Security System is an optional accessory.

PREPARATION

13

ANTENNA OR CABLE CONNECTION

1. Antenna (Analog or Digital)

Wall Antenna Socket or Outdoor Antenna without a Cable Box
Connections.

For optimum picture quality, adjust antenna direction if needed.

2. Cable

Wall
Antenna
Socket

Outdoor
Antenna
(VHF, UHF)

Cable TV
Wall Jack

Multi-family Dwellings/Apartments
(Connect to wall antenna socket)

RF Coaxial Wire (75 ohm)

RF Coaxial Wire (75 ohm)

Single-family Dwellings /Houses
(Connect to wall jack for outdoor antenna)

Be careful not to bend the bronze wire
when connecting the antenna.

Copper Wire

ANTENNA IN

ANTENNA IN

ANTENNA IN

GG

The TV will let you know when the analog, cable, and digital channel scans are complete.

NOTE

!

■

To improve the picture quality in a poor signal area, please purchase a signal amplifier and install properly.

■

If the antenna needs to be split for two TV’s, install a 2-Way Signal Splitter.

■

If the antenna is not installed properly, contact your dealer for assistance.

Antenna

UHF

Signal
Amplifier

VHF

3. Using both cable and antenna

Cable TV
Wall Jack

Antenna

RF Coaxial Wire (75 ohm)

RF Coaxial Wire (75 ohm)

ANTENNA IN

Diplexer

(Signal

Combiner)

EXTERNAL EQUIPMENT SETUP

14

EXTERNAL EQUIPMENT SETUP

HD RECEIVER SETUP

To watch digitally broadcast programs, purchase and connect a digital set-top box.

Y L RPB PR

VIDEO

AUDIO

VIDEO

COMPONENT IN
(480i/480p/720p)

RGB (PC/D

When connecting Component cable

1 2

1. How to connect

Connect the video outputs (Y, P

B, P

R

)

of the digital set

top box to the

CCOOMMPPOONNEENNTT IINN VVII DDEEOO

jacks on

the set. Match the jack colors
(Y = green, P

B = blue, and PR = red).

Connect the audio output of the digital set-top box to
the

CCOOMMPPOONNEENNTT IINN AAUU DDIIOO

jacks on the set.

2

1

2. How to use

■

Turn on the digital set-top box.
(

Refer to the owner’s manual for the digital set-top box. operation

)

■

Select

CCoo mmppoonn eenntt

input source by using the

IINNPP UU TT

button on the remote control.

Signal

480i, 480p

576i, 576p

720p

Component

Yes
Yes
Yes

RGB-DTV

Yes
Yes
Yes

Signal

480i

480p

Component

Yes
Yes

■

To prevent the equipment damage, never plug in any power cords until you have finished connecting all equipment.

■

This part of EXTERNAL EQUIPMENT SETUP mainly use picture for the 15 inches model.

15 inches model

20 inches model

EXTERNAL EQUIPMENT SETUP

15

When connecting with a D-sub 15 pin cable

(15 inches only)

Connect the RGB output of the digital set-top box to
the

RRGGBB ((PPCC//DDTTVV)) IINN

jack on the set.

Connect the audio outputs of the set-top box to the
AAUUDDIIOO (( RRGGBB)) II NN

jack on the set.

1. How to connect

2. How to use

■

Turn on the digital set-top box.
(

Refer to the owner’s manual for the digital set-top box.

)

■

Select

RRGGBB

input source with using the

IINNPP UU TT

button

on the remote control.

2

1

MONO

( )

S-VIDEOVIDEO

ANTENNA IN

AUDIO

AV IN

RGB (PC/DTV) IN

AUDIO

(RGB) IN

RGB OUTPUT

L R

1

2