LG LH20, LH30, LU55 Service Manual

Please read this manual carefully before operating
your set and retain it for future reference.

Write the model number and serial number from the
label on the back cabinet on the front or back of
this manual.

LCD TV
OWNER’S MANUAL

19LH20
22LH20
26LH20
32LH20
37LH20
42LH20

32LH30
37LH30
42LH30
47LH30

19LU55
22LU55
27LU55

P/NO : SAC33601901 (0812-REV00)

www.lgusa.com / www.lg.ca

This product qualifies for ENERGY STAR in the “factory
default (Home mode)” setting and this is the setting in which
power savings will be achieved.

Changing the factory default picture setting or enabling other
features will increase power consumption that could exceed
the limits necessary to quality for Energy Star rating.

2

WARNING / CAUTION

WARNING / CAUTION

To prevent fire or shock hazards, do not expose
this product to rain or moisture.

FCC NOTICE

Class B digital device

This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful
interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy
and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio
communications. However, there is no guarantee that
interference will not occur in a particular installation.
If this equipment does cause harmful interference to
radio or television reception, which can be determined
by turning the equipment off and on, the user is
encouraged to try to correct the interference by one
or more of the following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and
receiver.

- Connect the equipment to an outlet on a circuit
different from that to which the receiver is connected.

- Consult the dealer or an experienced radio/TV
technician for help.

Any changes or modifications not expressly approved
by the party responsible for compliance could void
the user’s authority to operate the equipment.

CAUTION

Do not attempt to modify this product in any way
without written authorization from LG Electronics.
Unauthorized modification could void the user’s
authority to operate this product

The lightning flash with arrowhead
symbol, within an equilateral triangle, is

intended 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 risk 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) instructions in the litera­ture accompanying the appliance.

TO REDUCE THE RISK OF ELECTRIC SHOCK

DO NOT REMOVE COVER (OR BACK). NO

USER SERVICEABLE PARTS INSIDE. REFER TO

QUALIFIED SERVICE PERSONNEL.

WARNING/CAUTION

TO REDUCE THE RISK OF FIRE AND ELECTRIC
SHOCK, DO NOT EXPOSE THIS PRODUCT TO
RAIN OR MOISTURE.

NOTE TO CABLE/TV INSTALLER

This reminder is provided to call the CATV system
installer’s attention to Article 820-40 of the National
Electric Code (U.S.A.). The code provides guidelines for
proper grounding and, in particular, specifies that the
cable ground shall be connected to the grounding system
of the building, as close to the point of the cable entry
as practical.

3

IMPORTANT SAFETY INSTRUCTIONS

SAFETY INSTRUCTIONS

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

Do not use this apparatus near water.

Clean only with dry cloth.

Do not block any ventilation openings. Install in
accordance with the manufacturer’s instructions.

Do not install near any heat sources such as
radiators, heat registers, stoves, or other
apparatus (including amplifiers)that produce
heat.

Do not defeat the safety purpose of the polarized
or grounding-type plug. A polarized plug has
two blades with one wider than the other. A
grounding type plug has two blades and a
third grounding prong, The wide blade or the
third prong are provided for your safety. If the
provided plug does not fit into your outlet,
consult an electrician for replacement of the
obsolete outlet.

Protect the power cord from being walked on
or pinched particularly at plugs, convenience
receptacles, and the point where they exit from
the apparatus.

Only use attachments/accessories specified by
the manufacturer.

Use only with the cart, stand, tripod, bracket,
or table specified by the manufacturer, or sold
with the apparatus. When a cart is used, use
caution when moving the cart/apparatus com­bination to avoid injury from tip-over.

Unplug this apparatus during lighting storms
or when unused for long periods of time.

Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has
been damaged in any way, such as power­supply cord or plug is damaged, liquid has
been spilled or objects have fallen into the
apparatus, the apparatus has been exposed to
rain or moisture, does not operate normally, or
has been dropped.

1

2

3

4

5

7

8

6

9

10

4

SAFETY INSTRUCTIONS

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

When mounting a TV on the wall, make sure
not to install the TV by the hanging power and
signal cables on the back of the TV.

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

CAUTION concerning the Power Cord:
It is recommend that appliances be placed

upon a dedicated circuit; that is, a single
outlet circuit which powers only that appliance
and has no additional outlets or branch
circuits. Check the specification page of this
owner's manual to be certain.

Do not connect too many appliances to the
same AC power outlet as this could result in
fire or electric shock.

Do not overload wall outlets. Overloaded wall
outlets, loose or damaged wall outlets, extension
cords, frayed power cords, or damaged or
cracked wire insulation are dangerous. Any of
these conditions could result in electric shock
or fire. Periodically examine the cord of your
appliance, and if its appearance indicates damage
or deterioration, unplug it, discontinue use of
the appliance, and have the cord replaced with
an exact replacement part by an authorized
servicer. Protect the power cord from physical
or mechanical abuse, such as being twisted,
kinked, pinched, closed in a door, or walked
upon. Pay particular attention to plugs, wall
outlets, and the point where the cord exits the
appliance.

Do not make the TV with the power cord
plugged in. Do not use a damaged or loose
power cord. Be sure do grasp the plug when
unplugging the power cord. Do not pull on the
power cord to unplug the TV.

WARNING - To reduce the risk of fire or electrical
shock, do not expose this product to rain,
moisture or other liquids. Do not touch the TV
with wet hands. Do not install this product
near flammable objects such as gasoline or
candles or expose the TV to direct air
conditioning.

Do not expose to dripping or splashing and do
not place objects filled with liquids, such as
vases, cups, etc. on or over the apparatus (e.g.
on shelves above the unit).

GGRROOUU NNDD IINNGG

Ensure that you connect the earth ground wire
to prevent possible electric shock (i.e. a TV
with a three-prong grounded AC plug must be
connected to a three-prong grounded AC out­let). If grounding methods are not possible,
have a qualified electrician install a separate
circuit breaker.

Do not try to ground the unit by connecting it
to telephone wires, lightening rods, or gas
pipes.

DDIISSCCOONNNNEECCTTIINNGG DDEEVVIICCEE FFRROOMM MMAAIINNSS

Mains plug is the disconnecting device. The
plug must remain readily operable.

As long as unit TV is connected to the AC wall
outlet, it is not disconnected from the AC
power source even if you turn off this unit by
POWER SWITCH.

12

11

14

13

16

17

18

19

Power
Supply

Short-circuit

Breaker

15

5

AANNTTEENNNNAASS
OOuu ttddoooo rr aanntteennnn aa ggrroo uunnddiinngg

If an outdoor antenna is installed, follow the
precautions below. An outdoor antenna system
should not be located in the vicinity of over­head power lines or other electric light or
power circuits, or where it can come in contact
with such power lines or circuits as death or
serious injury can occur.

Be sure the antenna system is grounded so as
to provide some protection against voltage
surges and built-up static charges.

Section 810 of the National Electrical Code
(NEC) in the U.S.A. provides information with
respect to proper grounding of the mast and
supporting structure, grounding of the lead-in
wire to an antenna discharge unit, size of
grounding conductors, location of antenna dis­charge unit, connection to grounding elec­trodes and requirements for the grounding
electrode.

AAnntteennnnaa ggrroouunnddiinngg aaccccoorrddiinngg ttoo tthhee
NNaattiioonnaall EElleeccttrriiccaall CCooddee,, AANNSSII//NNFFPPAA 7700

CC lleeaannii nngg

When cleaning, unplug the power cord and
scrub gently with a soft cloth to prevent
scratching. Do not spray water or other liquids
directly on the TV as electric shock may occur.
Do not clean with chemicals such as alcohol,
thinners or benzene.

MMoo vviinn gg

Make sure the product is turned off,
unplugged and all cables have been removed. It
may take 2 or more people to carry larger TVs.
Do not press against or put stress on the front
panel of the TV.

VV ee nntt iillaattiioo nn

Install your TV where there is proper ventila­tion. Do not install in a confined space such as
a bookcase. Do not cover the product with
cloth or other materials (e.g.) plastic while
plugged in. Do not install in excessively dusty
places.

If you smell smoke or other odors coming from
the TV or hear strange sounds, unplug the power
cord contact an authorized service center.

Do not press strongly upon the panel with
hand or sharp object such as nail, pencil or
pen, or make a scratch on it.

Keep the product away from direct sunlight.

FFoorr LL CCDD TTVV

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.

20

23

24

25

26

27

21

22

Antenna Lead in Wire

Antenna Discharge Unit
(NEC Section 810-20)

Grounding Conductor
(NEC Section 810-21)

Ground Clamps

Power Service Grounding
Electrode System (NEC
Art 250, Part H)

Ground Clamp

Electric Service

Equipment

NEC: National Electrical Code

ON DISPOSAL

(Only Hg lamp used LCD TV)

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

6

CONTENTS

WARNING / CAUTION

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

SAFETY INSTRUCTIONS

. . . . . . . . . . . . . . . . . . . . . . . . . . 2

FEATURE OF THIS TV

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

PREPARATION

Accessories

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Front Panel Information

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

Back Panel Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Stand Instruction

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

VESA Wall Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Cable Management

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

21

Desktop Pedestal Installation

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

24

Swivel Stand

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

24

Positioning your Display

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

Attaching the TV to a Desk

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Kensington Security System

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

25

Securing the TV to the wall to prevent falling when
the TV is used on a stand

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

Antenna or Cable Connection . . . . . . . . . . . . . . . . . . . . . . . . . . 27

EXTERNAL EQUIPMENT SETUP

HD Receiver Setup

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

DVD Setup

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

31

VCR Setup

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Other A/V Source Setup

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

35

Audio out Connection

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

PC Setup

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

WATCHING TV / CHANNEL CONTROL

Remote Control Functions

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

44

Turning On TV

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

46

Channel Selection

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

46

Volume Adjustment

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

46

Initial Setting

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

47

On-Screen Menus Selection

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

48

Quick Menu

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Channel Setup

- Auto Scan (Auto Tuning)

. . . . . . . . . . . . . . . . . . . . . . . . . . . 50

- Add / Delete Channel (Manual Tuning) . . . . . . 51

- Channel Editing

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

52

Channel List

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Favorite Channel Setup / Favorite Channel List

. . 54

Brief Information

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Input List

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

56

Input Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

AV Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

Simple Manual

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Key Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

Simplink

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

PICTURE CONTROL

Picture Size (Aspect Ratio) Control

. . . . . . . . . . . . . . . . . . 62

Picture Wizard

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

64

Preset Picture Settings (Sound Mode)

. . . . . . . . . . . . . . 66

Manual Picture Adjustment - User Mode

. . . . . . . . . . 67

Picture Improvement Technology

. . . . . . . . . . . . . . . . . . . . . 68

Expert Picture Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Energy Saving

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Picture Reset

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Power Indicator

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

74

Demo Mode

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

7

SOUND & LANGUAGE CONTROL

Auto Volume Leveler (Auto Volume) . . . . . . . . . . . . . . . . . 76

Clear Voice II

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77

Preset Sound Setting (Sound Mode)

. . . . . . . . . . . . . . . . 78

Sound Setting Adjustment - User Mode

. . . . . . . . . . . 79

Balance

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

80

TV Speakers On/Off Setup

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

81

Audio Reset

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Stereo/SAP Broadcasts Setup

. . . . . . . . . . . . . . . . . . . . . . . . . . 83

Audio Language

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

On-Screen Menus Language Selection

. . . . . . . . . . . . . 85

Caption Mode

- Analog Broadcasting System Captions

. . . . . . .

86

- Digital Broadcasting System Captions

. . . . . . . .

87

- Caption Option

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88

TIME SETTING

Clock Setting

- Auto Clock Setup

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

- Manual Clock Setup

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

90

Auto On/Off Time Setting

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Sleep Timer Setting

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

PARENTAL CONTROL / RATINGS

Set Password & Lock System

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

93

Channel Blocking

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

96

Movie & TV Rating

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

97

Downloadable Rating

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

10 2

External Input Blocking

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

10 3

APPENDIX

Troubleshooting

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

10 4

Maintenance

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6

Product Specifications

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

10 7

IR Code

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 9

External Control Through RS-232C

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

110

Open Source License

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

116

8

FEATURE OF THIS TV

■

When a fixed image (e.g. logos, screen menus, video game, and computer display) is displayed on the TV

for an extended period, it can become permanently imprinted on the screen. This phenomenon is known
as “image burn” or “burn-in.” Image burn is not covered under the manufacturer’s warranty.

■

In order to prevent image burn, avoid displaying a fixed image on your TV screen for a prolonged period

(2 or more hours for LCD, 1 or more hours for Plasma).

■

Image burn can also occur on the letterboxed

areas of your TV if you use the 4:3 aspect
ratio setting for an extended period.

IMPORTANT INFORMATION TO PREVENT “IMAGE BURN
/ BURN-IN” ON YOUR TV SCREEN

HDMITM, the HDMI logo and High-Definition
Multimedia Interface are trademarks or registered
trademarks of HDMI Licensing."

is a trademark of SRS Labs, Inc.
TruSurround XT technology is incorporated under
license from SRS Labs, Inc.

Manufactured under license from Dolby Laboratories.
“

Dolby

“and the double-D symbol are trademarks of

Dolby Laboratories.

CALIBRATE LIKE A PRO: Sophisticated and detailed
calibrations can be made through the ISFccc mode.
Detailed calibration requires a licensed technician.
Please contact your local dealer to inquire about an
ISF certified technician.

High-definition television. High-resolution digital
television broadcast and playback system composed
of roughly a million or more pixels, 16:9 aspect-ratio
screens, and AC3 digital audio. A subset of digital
television, HDTV formats include 1080i and 720p
resolutions.

PREPARATION

9

PREPARATION

ACCESSORIES

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

The accessories included may differ from the images below.

Copyright© 2007 LGE,

All Rights Reserved.

1.5V 1.5V

Owner’s Manual Power Cord

Remote Control,

Batteries

V

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6

8

0

9

FLASHBK

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78

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FLASHBK

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ENTER

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CD Manual

OOnnllyy 1199//2222LLHH2200

Cable Management Clip Protection Cover

OOnnllyy 1199//2222//2277LLUU5555

Cable Management Clip

OOnnllyy 2266//3322//3377//4422LLHH2200,, 3322//3377//4422//4477LLHH3300

Bolts for stand assembly

(Refer to P.16)

Screw for stand fixing

(Refer to P.25)

Screw for stand fixing

(Refer to P.25)

Protection Cover

x 4

OOppttiioonn EExxttrraass

* Wipe spots on the exterior only with

the polishing cloth.

* Do not wipe roughly when removing

stain. Excessive pressure may cause
scratch or discoloration.

Polishing Cloth

(This feature is not available

for all models.)

D-sub 15 pin Cable

When using the VGA (D-sub 15 pin
cable) PC connection, the user
must use shielded signal interface
cables with ferrite cores to maintain
standards compliance.

(Only 27LU55)

PREPARATION

10

FRONT PANEL INFORMATION

PREPARATION

■

Image shown may differ from your TV.

32/37/42LH20, 32/37/42/47LH30

CHANNEL
(-, +) Buttons

VOLUME
(-, +) Buttons

ENTER
Button

19/22/26LH20

MENU Button

POWER Button

INPUT Button

INPUT

MENU

ENTER

CH

VOL

POWER

CHANNEL (EE,DD)
Buttons

VOLUME (+, -)
Buttons

ENTER Button

MENU Button

INPUT Button

POWER Button

SPEAKER

Remote Control Sensor,
Power/Standby Indicator

Illuminates red in standby mode.
Illuminates blue when the TV is switched on.
(Can be adjusted

PPoo ww ee rr IInnddiiccaa ttoorr

in the

OPTION menu.

GG

pp..77 44

)

Power Switch

"As long as this TV is connected to the
AC wall outlet, it is not disconnected
from the AC power source even if you
turn off this TV by POWER SWITCH".

O

N

O

FF

INPUT

ENTER

MENU

VOL

CH

PREPARATION

11

Remote Control Sensor,
Power/Standby Indicator

Illuminates red in standby mode.
Illuminates blue when the TV is switched on.
(Can be adjusted

PPoowweerr IInndd iiccaa ttoorr

in the OPTION menu.

GG

pp..7744

)

CHANNEL (+, -)
Buttons

VOLUME (+, -)
Buttons

ENTER Button

MENU Button

INPUT Button

POWER Button

CHANNEL
(-, +) Buttons

VOLUME
(-, +) Buttons

ENTER Button

19/22LU55

27LU55

MENU Button

POWER Button

INPUT Button

SPEAKER

INPUT

MENU

ENTER

VOL

CH

CH

VOL

ENTER

MENU

INPUT

PREPARATION

12

BACK PANEL INFORMATION

PREPARATION

■

Image shown may differ from your TV.

RS-232C IN

(

CONTROL&SERVICE)

AUDIO IN
(RGB/DVI)

ANTENNA
/CABLE IN

VIDEO

AUDIO

L R

RGB(PC) IN

/DVI IN

AV IN

VIDEO AUDIO

L(MONO)

R

COMPONENT IN

USB IN

SERVICE ONLY

21 43

2

3

2

1

3

32/37/42LH20

19/22/26LH20

4

5

7 68

32/37/42LH30

7 68

9

R

2

1

3

4

5

7 68

USB IN

SERVICE ONLY

USB IN

SERVICE ONLY

VIDEO

COMPONENT IN

VIDEO

COMPONENT IN

AV IN

VIDEO AUDIO

L(MONO)

L R

AUDIO

AV IN1

VIDEO AUDIO

L(MONO)

L R

AUDIO

R

R

2

1

2

1

/DVI IN

/DVI IN

RGB IN (PC)

AUDIO IN
(RGB/DVI)

RS-232C IN

(

CONTROL&SERVICE)

RGB IN (PC)

AUDIO IN
(RGB/DVI)

RS-232C IN

(

CONTROL&SERVICE)

OPTICAL DIGITAL

AUDIO OUT

ANTENNA/

CABLE IN

OPTICAL DIGITAL

AUDIO OUT

ANTENNA/

CABLE IN

IN 3

R

AUDIO

L/ MONO

VIDEO

AV IN 2

PREPARATION

13

SERVICE ONLY or USB IN SERVICE ONLY
Used for software updates.

AV (Audio/Video) IN

Analog composite connection. Supports standard
definition video only (480i).

HDMI/DVI IN

Digital Connection.
Supports HD video and Digital audio. Doesn’t

support 480i.
Accepts DVI video using an adapter or HDMI to

DVI cable (not included).

RGB IN (PC)

Analog PC Connection. Uses a D-sub 15 pin cable
(VGA cable).

AUDIO IN (RGB/DVI)

1/8” headphone jack for analog PC audio input.

OPTICAL DIGITAL AUDIO OUT
(Except 19/22LH20)

Digital audio output for use with amps and home
theater systems.

Includes an optical connection.
Note: In standby mode, these ports do not work.

ANTENNA/CABLE IN

Connect over-the air signals to this jack.
Connect cable signals to this jack.

RS-232C IN (CONTROL & SERVICE) PORT

Used by third party devices.

COMPONENT IN

Analog Connection.
Supports HD.
Uses a red, green, and blue cable for video & red

and white for audio.

Power Cord Socket

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

power.

1

2

3

4

5

9

8

7

6

USB IN

SERVICE ONLY

RS-232C IN

(

CONTROL&SERVICE)

AUDIO IN

(RGB/DVI)

ANTENNA/

CABLE IN

VIDEO

AUDIO

RGB IN (PC)

VIDEO AUDIO

L(MONO)

R

2

1

L R

OPTICAL DIGITAL

AUDIO OUT

/DVI IN

COMPONENT IN

AV IN

2

1

3

19/22/27LU55

4

5

7 68

9

PREPARATION

14

PREPARATION

STAND INSTRUCTION (For 19/22LH20)

■

Image shown may differ from your TV

Carefully place the TV screen side down on a
cushioned surface to protect the screen from
damage.

Assemble the TV as shown.

1

2

INSTALLATION

GG

When assembling the desk type stand, make sure
the bolt is fully tightened (If not tightened fully,
the TV can tilt forward after the product installa­tion). Do not over tighten.

NOTE

!

PREPARATION

15

PROTECTION COVER

HHIINNGG EE BBOODD YY

Insert the

PPRROOTTEECC TTII OO NN CCOOVVEERR

into the TV.

5

PPRROOTTEECC TTII OO NN CC OO VVEERR

Fix the 4 bolts securely using the holes in the
back of the TV.

6

DETACHMENT

Carefully place the TV screen side down on a
cushioned surface to protect the screen from
damage.

1

Pull the

SSTTAANNDD

backward.

2

Loose the bolts from TV.

3

Pull the

HHIINNGG EE BBOODD YY

backward.

4

PREPARATION

16

STAND INSTRUCTION (For 26/32/37/42LH20, 32/37/42/47LH30)

PREPARATION

Carefully place the TV screen side down on a
cushioned surface to protect the screen from
damage.

Assemble the TV as shown.

Fix the 4 bolts securely using the holes in the
back of the TV.

1

2

3

INSTALLATION

GG

When assembling the desk type stand, make sure
the bolt is fully tightened (If not tightened fully,
the TV can tilt forward after the product installa­tion). Do not over tighten.

NOTE

!

PREPARATION

17

DETACHMENT

Carefully place the TV screen side down on a
cushioned surface to protect the screen from
damage.

1

Loose the bolts from TV.

2

Detach the stand from TV.

3

After removing the stand, install the included
pprrootteeccttiioo nn cc oo vveerr

over the hole for the stand.

Press the

PPRROOTT EECCTT IIOONN CCOOVVEERR

into the TV

until you hear it click.

PROTECTION COVER

PREPARATION

18

STAND INSTRUCTION (For 19/22/27LU55)

PREPARATION

SSTTAANNDD BBOODD YY

CCOO VVEERR BB AASSEE

Carefully place the TV screen side down on a
cushioned surface to protect the screen from
damage.

Assemble the parts of the

SSTTAANNDD BB OO DD YY

with

CCOOVVEERR BBAASSEE

of the TV.

Insert the

SSTTAANNDD BBOODDYY

into a

CCOOVVEERR BBAA SSEE

.

1

2

3

INSTALLATION

Fix the 4 bolts securely using the holes in the
back of the TV.

4

GG

When assembling the desk type stand, make sure
the bolt is fully tightened (If not tightened fully,
the TV can tilt forward after the product installa­tion). Do not over tighten.

NOTE

!

PREPARATION

19

DETACHMENT

Carefully place the TV screen side down on a
cushioned surface to protect the screen from
damage.

1

Detach the

CC OO VVEERR BBAA SSEE

from TV.

2

Loose the bolts from TV.

4

Loose the bolts from TV.
And detach the

SSTTAANNDD BBOODDYY

from TV.

3

PREPARATION

20

VESA WALL MOUNTING

PREPARATION

Install your wall mount on a solid wall perpendicular to the floor. When attaching to other building materials, please
contact your nearest dealer.

If installed on a ceiling or slanted wall, it may fall and result in severe personal injury.
We recommend that you use an LG brand wall mount when mounting the TV to a wall.
LG recommends that wall mounting be performed by a qualified professional installer.

GG

Do not install your wall mount kit while your TV is turned on. It may result in personal injury due to electric
shock.

CAUTION

GG

Screw length needed depends on the wall mount
used. For further information, refer to the instruc­tions included with the mount.

GG

Standard dimensions for wall mount kits are shown
in the table.

GG

When purchasing our wall mount kit, a detailed
installation manual and all parts necessary for
assembly are provided.

GG

Do not use screws longer then the standard dimen­sion, as they may cause damage to the inside to
the TV.

GG

For wall mounts that do not comply with the VESA

standard screw specifications, the length of the
screws may differ depending on their specifica­tions.

GG

Do not use screws that do not comply with the
VESA standard screw specifications.

Do not use fasten the screws too strongly, this may
damage the TV or cause the TV to a fall, leading to
personal injury. LG is not liable for these kinds of
accidents.

GG

LG is not liable for TV damage or personal injury
when a non-VESA or non specified wall mount is
used or the consumer fails to follow the TV installa­tion instructions.

NOTE

!

AA

BB

Model

VESA

(A *B)

Standard Screw Quantity

19LH20, 19LU55

22LH20, 22LU55

26LH20, 27LU55
32LH20, 32LH30

37LH20, 37LH30

42LH20, 42LH30

47LH30

10 0* 10 0

200* 10 0

200* 200

M4

M4

M6

4

4

4

PREPARATION

21

CABLE MANAGEMENT

For 19/22/27LU55

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

EXTERNAL EQUIPMENT SETUP section.

Install the CABLE MANAGEMENT CLIP as
shown.

CABLE MANAGEMENT CLIP

1

2

Put the cables inside the CABLE MANAGEMENT
CLIP and snap it closed.

3

PREPARATION

22

CABLE MANAGEMENT

PREPARATION

■

Image shown may differ from your TV

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

EXTERNAL EQUIPMENT SETUP section.

Install the CABLE MANAGEMENT CLIP as shown.

1

2

Fit the CABLE MANAGEMENT CLIP as shown.

3

For 19/22LH20

GG

Do not hold the CABLE MANAGEMENT CLIP when moving the TV.

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

NOTE

!

How to remove the CABLE MANAGEMENT CLIP

GG

Hold the CABLE MANAGEMENT CLIP with both hands and pull it
backward.

CABLE MANAGEMENT CLIP

PREPARATION

23

For 26/32/37/42LH20, 32/37/42/47LH30

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

EXTERNAL EQUIPMENT SETUP section.

Install the CABLE MANAGEMENT CLIP as
shown.

CABLE MANAGEMENT CLIP

1

2

Put the cables inside the CABLE MANAGEMENT
CLIP and snap it closed.

3

PREPARATION

24

DESKTOP PEDESTAL INSTALLATION

PREPARATION

SWIVEL STAND (Except 19/22LH20, 19/22/27LU55)

After installing the TV, you can adjust the TV set manually to the left or right direction by 20 degrees to suit
your viewing position.

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

■

Image shown may differ from your TV.

4 inches

GG

Ensure adequate ventilation by following the clearance recommendations.

GG

Do not mount near or above any type of heat source.

CAUTION

4 inches

4 inches

4 inches

POSITIONING YOUR DISPLAY (Only 19/22LH20)

■

Here shown may be somewhat different from your TV.

■

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

• Tilt range

12

0

3

0

PREPARATION

25

ATTACHING THE TV TO A DESK (Except 19/22LH20, 19/22LU55)

The TV must be attached to a desk so it cannot be pulled in a forward/backward direction, potentially causing
injury or damaging the product.

GG

To prevent TV from falling over, the TV should be securely attached to the floor/wall per installation
instructions. Tipping, shaking, or rocking the machine may cause injury.

WARNING

1-Screw

(provided as parts of the product)

Desk

Stand

1-Screw

(provided as parts of the product)

Desk

Stand

KENSINGTON SECURITY SYSTEM

■

This feature is not available for all models.

- 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:: ////ww ww ww ..kk eenn ssiinn ggtt 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

26

SECURING THE TV TO THE WALL TO PREVENT FALLING WHEN THE TV IS USED ON A STAND

PREPARATION

We recommend that you set up the TV close to a wall so it cannot fall over if pushed backwards.
Additionally, we recommend that the TV be attached to a wall so it cannot be pulled in a forward direction,

potentially causing injury or damaging the product.
Caution: Please make sure that children don’t climb on or hang from the TV.

■

Insert the eye-bolts (or TV brackets and bolts) to tighten the product to the wall as shown in the picture.

*If your product has the bolts in the eye-bolts position before inserting the eye-bolts, loosen the bolts.
* Insert the eye-bolts or TV brackets/bolts and tighten them securely in the upper holes.

Secure the wall brackets with the bolts (sold separately) to the wall. Match the height of the bracket that is
mounted on the wall to the holes in the product.

Ensure the eye-bolts or brackets are tightened securely.

■

Use a sturdy rope (sold separately) to tie the product. It is safer to tie
the rope so it becomes horizontal between the wall and the product.

■

You should purchase necessary components to prevent TV from falling off of the stand.

■

Image shown may differ from your TV.

GG

Use a platform or cabinet strong enough and large enough to support the size and weight of the TV.

GG

To use the TV safely make sure that the height of the bracket on the wall and the one on the TV are the same.

NOTE

!

PREPARATION

27

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

Wa ll
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

■

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/

CABLE IN

■

To prevent damage do not connect to the power outlet until all connections are made between the devices.

■

Image shown may differ from your TV.

ANTENNA/

CABLE IN

EXTERNAL EQUIPMENT SETUP

28

EXTERNAL EQUIPMENT SETUP

HD RECEIVER SETUP

This TV can receive Digital Over-the-air/Cable signals without an external digital set-top box. However, if you do
receive digital signals from a digital set-top box or other digital external device, refer to the figure as shown below.

Component Connection

1. How to connect

Connect the video outputs (Y, P

B

, PR

)

of the digital set-

top box to the

CC OO MMPP OONNEENNTT IINN VVII DDEEOO

jacks on

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

B

= blue, and

P

R

= red).

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

CC OO MMPP OONNEENNTT II NN AA UUDDII OO

jacks on the TV.

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 the

CC oo mmpp oonn eenn tt

input source on the TV using the

IINNPPUU TT

button on the remote control.

■

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

2266// 3322// 33 77//44 22 LLHH 2200

.

USB IN

SERVICE ONLY

VIDEO AUDIO

L(MONO)

R

2

AV IN

Y L RPB PR

/DVI IN

1

VIDEO

AUDIO

COMPONENT IN

L R

1

2

19/22LH2*

Y, C

B/P

B

, C

R/PR

Supported Resolutions

Horizontal Vertical

Frequency(KHz)Frequency(Hz

)

15.73 59.94

15.73 60.00

31.47 59.94

31.50 60.00

44.96 59.94

45.00 60.00

33.72 59.94

33.75 60.00

26.97 23.976

27.00 24.00

33.71 29.97

33.75 30.00

67.432 59.94

67.50 60.00

Resolution

720x480i

720x480p

1280x720p

1920x1080i

1920x1080p

Signal

480i

480p

720p

10 8 0 i

10 8 0 p

Component

Yes

Yes

Yes

Yes

Yes

HDMI

No

Yes

Yes

Yes

Yes

EXTERNAL EQUIPMENT SETUP

29

HDMI Connection

Connect the digital set-top box to the

HHDD MMII //DDVVII

II NN

or

HHDDMMII// DDVVII IINN 11// 22 //33

jack on the TV.

No separate audio connection is necessary.
HDMI supports both audio and video.

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 the

HHDDMMIIorHHDDMMII11//22*//33

* input source on the TV

using the

IINNPPUUTT

button on the remote control.

2

1

RS-232C IN

(

CONTROL&SERVICE)

AUDIO IN

(RGB/DVI)

A

C

AUDIO

RGB IN (PC)

VIDEO AUDIO

L(MONO)

R

AV IN

L R

OPT

A

2

1

/DVI IN

HDMI OUTPUT

1

HDMI-DTV

Horizontal Vertical

Frequency(KHz)Frequency(Hz

)

31.47 59.94

31.47 60.00

44.96 59.94

45.00 60.00

33.72 59.94

33.75 60.00

26.97 23.976

27.00 24.00

33.71 29.97

33.75 30.00

67.432 59.939

67.50 60.00

Resolution

720x480p

1280x720p

1920x1080i

1920x1080p

* HDMI 2: Except 19/22LH20
* HDMI 3: Except 19/22/26/32/37/42LH20

EXTERNAL EQUIPMENT SETUP

30

EXTERNAL EQUIPMENT SETUP

DVI to HDMI Connection

RS-232C IN

(

CONTROL&SERVICE)

ANTENNA/

CABLE IN

AUDIO

RGB IN (PC)

L(MONO)

R

AV IN

NT IN

L R

AUDIO IN
(RGB/DVI)

OPTICAL DIGITA

AUDIO OUT

2

1

/DVI IN

L R

DVI OUTPUT

AUDIO

1

2

GG

A DVI to HDMI cable or adapter is required for this con­nection. DVI doesn't support audio, so a separate audio
connection is necessary.

NOTE

!

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

HHDDMM II//DD VVII IINN

or

HHDDMM II//DDVVII IINN 11// 22 //33

jack on the

TV.

Connect the PC audio output to the

AAUUDDII OO II NN

((

RR GG BB //DD VVII

))

jack on the TV.

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 the

HHDDMMIIorHHDDMMII11//22*//33

* input source on the TV

using the

IINNPPUUTT

button on the remote control.

2

1

* HDMI 2: Except 19/22LH20
* HDMI 3: Except 19/22/26/32/37/42LH20