LG 23LS7DC - - 23"" LCD TV, 20LS7D, 20LS7DC, 23LS7D Owner's Manual
LCD TV
OWNER'S MANUAL
LCD TV MODELS
20LS7D
20LS7DC
23LS7D
23LS7DC
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.
ENERGY STAR is a set of power-saving
guidelines issued by the U.S.
Environmental Protection Agency(EPA).
As an ENERGYSTAR
Partner LGEU. S. A.,Inc.
has determined that this
product meets the
ENERGYSTARguidelines
for energy efficiency.
WA ING / CAUTION
WARNING/CAUTION
WARNING / CAUTION
To prevent fire or shock hazards, do not expose
this product to rain or moisture.
TO REDUCE THE RISK OF ELECTRIC SHOCK
DO NOT REMOVE COVER (OR BACK). NO
USER SERVICEABLEPARTSINSIDE. REFERTO
QUALIFIED SERVICE PERSONNEL.
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.
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.
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
SAFETYiNSTRUCTiONS
iMPORTANT SAFETYiNSTRUCTiONS
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 :
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
accordancewith the manufacturer'sinstructi_n_
Do not install near any heat sources such as
radiators, heat registers, stoves, or other apparatus
(including amplifiers)that produce heat.
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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 pro-
vided plug does not fit into your outlet, con-
sult an electrician for replacement of the obso-
lete 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.
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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 lightning 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 power-supply
cord or plug is damaged, liquid has been
spilled or objects havefallen into the apparatus,
the apparatus has exposed to rain or moisture,
does not operate normally, or has been
dropped.
CAUTION concerning the Power Cord :
Most appliances recommend they 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 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 dam-
age or deterioration, unplug it, discontinue use
of the appliance, and have the cord replaced
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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.
Outdoor use marking :
WARNING - To reduce the risk of fire or electric
shock, do not expose this appliance to rain or
moisture.
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 or over apparatus.
GROUNDING
Ensure that you connect the earth ground wire
to prevent possible electric shock. 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.
Power
Supply
Short-circuit
Breaker
DISCONNECTING DEVICE FROM MAINS
Mains plug is the disconnecting device. The
plug must remain readily operable.
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CONTENTS
WARNING / CAUTION ............................ 1
SAFETY INSTRUCTIONS ..........................2
INTRODUCTION ........................................6
Feature of this TV ............................................. 6
Accessories ...................................................... 7
Front Panel Information ..................................... 8
Back Panel Information ...................................... 9
Stand Installation ............................................ 10
Detaching Stand .............................................. 11
Back Cover for Wire Arrangement ..................... 12
Positioning your display ................................... 15
VESAWall Mounting ........................................ 14
Desktop Pedestal Installation ............................ 14
Kensington Security System ............................. 15
Attaching the TV to a Desk .............................. 15
Antenna or Cable Connection .......................... 16
HD Receiver Setup ......................................... 17
DVD Setup ..................................................... 20
VCR Setup ..................................................... 22
Headphone Setup .......................................... 24
PC Setup ........................................................ 25
Picture Size (Aspect Ratio) Control .................. 37
Preset Picture Settings ..................................... 39
- EZ Picture - Preset .................................... 39
- Color Tone - Preset................................... 40
Manual Picture Adjustment .............................. 41
- EZ Picture - User Mode ............................. 41
- Color Tone - User Mode ........................... 42
XD - Picture Improvement Technology ............. 43
Advanced - Black (Darkness) Level................... 44
Picture Reset ................................................. 45
Preset Sound Setting (EZ Sound) ..................... 46
Sound Setting Adjustment - User Mode ........... 47
Balance .......................................................... 48
Stereo/SAP Broadcasts Setup .......................... 49
Audio Language .............................................. 50
On-Screen Menus Language Selection .............. 51
Caption/Text .................................................. 52
- Analog Broadcasting System Captions ....... 52
- Digital Broadcasting System Captions ........ 53
Caption Option ............................................. 54
Remote Control Functions ............................... 28
Turning On TV ................................................ 30
Channel Selection ........................................... 30
Volume Adjustment ......................................... 30
On-Screen Menus Selection ............................. 31
Channel Setup ................................................ 52
- Auto Scan (EZ Scan) ................................. 52
- Add / Delete Channel (Manual Scan) ......... 53
- Channel Editing ........................................ 54
DTV Signal Strength ........................................ 35
Input Source Selection .................................... 36
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Clock Setting .................................................. 55
- Auto Clock Setup .................................... 55
- Manual Clock Setup ................................. 56
Auto On/Off Timer Setting ............................. 57
Sleep Timer Setting ......................................... 58
Auto Shut-off Setting ....................................... 59
Set Password & Lock System ........................... 60
- Setting up Your Password ......................... 60
- Set Password ........................................... 61
- Lock System ............................................. 61
Channel Blocking ............................................ 62
External Input Blocking .................................... 62
Movie & TV Rating ......................................... 63
- Movie Rating (MPAA) ................................ 63
- TV Rating Children & General (forUSAonly) 64
- TV Rating English & French(forCanada only) .. 65
Troubleshooting .............................................. 66
Maintenance ................................................... 68
Product Specifications ..................................... 69
External Control Through RS-232C .................. 70
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FEATUREOF THIS TV
LG's own special digital image generator, consisting
_TM of a full digital image processor, six different main
E N G i N E picture quality factors.
Manufactured under license from Dolby Laboratories.
I"1t"1uLI_ "Dolby "and the double-D symbol are trademarks of
DIGITAL
Dolby Laboratories.
High-definition television. Highmesolution digital
television broadcast and playback system composed
of roughly a million or more pixels, 16:9 aspectmatio
screens, and AC3 digital audio. A subset of digital
television, HDTV formats include 1080i and 720p
resolutions.
HDMI TM, the HDMI logo and High-Definition
Multimedia Interface are trademarks or registered
trademarks of HDMI Licensing."
If the TV feels cold to the touch, there may be a small "flicker" when it is turned on. This is normal, there is noth-
ing 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.
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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.
User must use shielded signal interface cables (D-sub 15 pin cable) with ferrite cores to maintain standard
compliance for the product.
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Owner's Manual
CD Manual Remote Control, Power Cord
Batteries
Cable Management
Polishing Cloth
* Slightly wipe stained spot on the exterior only with the
polishing cloth for the product exterior if there is stain
or fingerprint on surface of the exterior
* Do not wipe roughly when removing stain. Please be
cautions of that excessive pressure may cause scratch
or discoloration.
D-sub 15 pin Cable
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PREPARATION
FRONT PANELINFORMATION
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_ Here shown may be somewhat different from your TV.
VOLUME CHANNEL
(4,_)Buttons (T,A)Buttons
Remote Control Sensor
Power Standby Indicator
llluminates red in standby mode.
When the TV is turned on, the indicator
blinks green and then illuminates green
before the picture is displayed.
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BACK PANELINFORMATION
Here shown may be somewhat different from your TV.
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O SERVICEONLY
HDMI/DVI IN
Connect a HDMI signal to this jack.
Or DVI (Video) signal to this jack with a HDMI to
DVI cable.
AV IN (Audio/Video)
Connect audio/video output from an external
device to these jacks.
S-VIDEO
Connect S-Video out from an S-VIDEO device.
O ANTENNA/CABLE IN
Connect over-the air signals to this jack.
Connect cable signals to this jack.
@ RGB (PC) IN
Connect the output from a PC.
AUDIO IN (RGB/DVI)
Connect the audio from a PC or DTV.
COMPONENT IN
Connect a component video/audio device to
these jacks.
HEADPHONE INPUT
Plug the headphone into the headphone socket.
RS-232C IN (CONTROL & SERVICE) PORT
For external control devices.
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Power Cord Socket
For operation with AC power.
Caution: Never attempt to operate the TV on DC
power.
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PREPARATION
STAND INSTALLATION
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Here shown may be somewhat different from your TV.
Assemble parts of the stand body with cover base of the stand. Insert the stand body into a cover base
until clicking sound.
stand bod'
cover base
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.
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DETACHING STAND
I Here shown may be somewhat different from your TV.
Carefully place the product screen side down on
a cushioned surface that will protect product and
screen from damage.
Pull cover base backward while pressing button
on stand body.
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Shake the base while pulling, it will separate from
stand body.
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Hold the stand and bend it upward.
Pull stand body to separate from set while press-
ing the 2 latches.
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PREPARATION
BACK COVER FORWIREARRANGEMENT
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Here shown may be somewhat different from your TV.
Connect the cables as necessary.
To connect an additional equipment, see the EXTERNAL EQUIPMENT SETUP section.
Install the CABLE MANAGEMENT as shown.
How to remove the CABLE MANAGEMENT
First, press the cable management. Hold the CABLE MANAGEMENT with both hands and pull it upward.
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POSITIONING YOUR DISPLAY
I Here shown may be somewhat different from your TV.
I Adjust the position of the panel in various ways for maximum comfort.
• Tilt range
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PREPARATION
VESAWALL MOUNTING
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This product accepts a VESA-compliant mounting interface pad. (optional)
There 4 threaded holes are available for attaching the bracket.
100 mm
100 mm
DESKTOP PEDESTALINSTALLATION
For proper ventilation, allow a clearance of 4inches on all four sides from the wall.
I 4 inches
4 inches 4 inches 4 inches
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KENSINGTON SECURITYSYSTEM
- 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 http://www.kensington.com, the internet homepage of the
Kensington company. Kensington sells security systems for expensive electronic equipment such as note-
book PCs and LCD projectors.
NOTE
- The Kensington Security System is an optional accessory.
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ATTACHING THE TV TO A DESK(OnUy23_ch_l
We recommend that the TV be a_ached to a desk so it cannot be pulled in a forward/backward direction,
potentially causing injury or damaging the product.
2-Bolts (M3x25)
(not provided as parts
of the product)
Stand
Desk
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PREPARATION
ANTENNA OR CABLECONNECTION
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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.
Wall
Antenna
Socket
_ Multi-family Dwellings/Apartments
[(Connect_ to wall antenna socket)
(VHF, UHF) Single-family Dwellings/Houses
(Connect to wall jack for outdoor antenna)
2. Cable
!iiii!iiiiiiiiiiiiiii!ii
BheCnar;ofulnn°_i_g _h;danth;n_:Onze wire ,
Cable "IV
Wall Jack
!!!i!i!i!i!iii_!i_ii_ii_iiiiiiiiiiii_i_!_!i_i_i_i_i!i!!i!!i!ii!ii!i!!i!!i!!i!!i!i!iiiii_!ii!_i_!_!!_!_!!_!_i_i_i_i_i!!i!!i!!i_!i_!i_!i_!i_!i_!i_!i_!i_!i!i_ii!__
3. Using both cable and antenna
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Cable TV
Wall Jack
RF Coaxial Wire (75 ohm)
Diplexer
(Signal
Combiner)
_ UHF
VHF
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.
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EXTERNAL EQUIPMENT SETUP
To prevent the equipment damage, never plug in any power cords until you have finished connecting all equipment.
HD RECEIVERSETUP
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.
When connecting Component cable
1. How to connect
Connect the video outputs (Y, PB, PR) of the digital set
top box to the COMPONENT IN VIDEO jacks on
the set. Match the jack colors
(Y = green, PB = blue, and PR = red).
Connect the audio output of the digital set-top box to
the COMPONENT IN AUDIO jacks on the set.
2. How to use
,,l_Turn on the digital set-top box.
(Refer to the owne(s manual for the digital set-top box. operation)
,,l_Select Component input source by using the INPUT
button on the remote control.
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EXTERNALEQUIPMENT SETUP
When connecting HDMI cable
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1. How to connect
Connect the digital set-top box to HDMI/DVI IN
jack on the set.
No separated audio connection is necessary.
HDMI supports both audio and video.
2. How to use
Turn on the digital set-top box.
(Refer to the owner's manual for the digital set-top box.)
Select HDMI/DVI input source by using the INPUT
button on the remote control.
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When connecting HDM[ to DV[ cable
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1. How to connect
Connect the DVI output of the digital set-top box to the HDMI/DVI IN jack on the set.
Connect the audio output of the digital set-top box to the AUDIO IN (RGB/DVl) jack on the set.
2. How to use
,,l_Turn on the digital set-top box. (Refer to the owner's manual for the digital set-top box.)
,,l_Select HDMI/DVI input source by using the INPUT button on the remote control.
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EXTERNALEQUIPMENT SETUP
DVD SETUP
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When connecting Component cable
1. How to connect
Connect the video outputs (Y, PB, PR) of the DVD to the
COMPONENT IN VIDEO jacks on the set.
Match the jack colors
(Y = green, PB = blue, and PR = red).
Connect the audio outputs of the DVD to the
COMPONENT IN AUDIO jacks on the set.
2. How to use
,,i_Turn on the DVD player, insert a DVD.
,,i_Select Component input source by using the INPUT
button on the remote control.
,,i_Refer to the DVD player's manual for operating instructions.
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Component Input ports
To get better picture quality, connect a DVD player to the component input ports as shown below.
Component ports on the TV y iiiiiiiiiiiiiiiiiiii_i!i!i!i!i!i!i!i!i!i!i!i!i!i!ii!!_!!i_,i!_i,
Video output ports
on DVD player
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When connecting with an S-Video cable
1. How to connect
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Connect the S-VIDEO output of the DVD to the
S-VIDEO input on the set.
Connect the audio outputs of the DVD to the AUDIO
input jacks on the set.
2. How to use
Turn on the DVD player, insert a DVD.
Select AV input source by using the INPUT button on the
remote control.
Refer to the DVD player's manual for operating instructions.
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When connecting HDM[ cable
1. How to connect
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Connect the HDMI output of the DVD to the
HDMI/DVl IN jack on the set.
No separated audio connection is necessary.
HDMI supports both audio and video.
2. How to use
Select HDMI/DVI input source by using the INPUT
button on the remote control.
Refer to the DVD player's manual for operating instructions.
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EXTERNALEQUIPMENT SETUP
VCR SETUP
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To avoid picture noise (interference), leave an adequate distance between the VCR and TV.
If the 4:3 picture format is used; the fixed images on the sides of the screen may remain visible on the
screen. This phenomenon is common to all manufactures and in consequence the manufactures warranty
does not cover the product bearing this phenomenon.
When connecting with an antenna
Wall Jack
Antenna
1. How to connect
Connect the RF antenna out socket of the VCR to the ANTENNA/CABLE IN socket on the set.
Connect the antenna cable to the RF antenna in socket of the VCR.
2. How to use
,,l_Set VCR output switch to 3 or 4 and then tune TV to the same channel number.
,,l_Insert a video tape into the VCR and press PLAY on the VCR. (Refer to the VCR owner's manual.)
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When connecting with a RCA cable
1. How to connect
Connect the AUDIO/VIDEO jacks between TV and
VCR. Match the jack colors (Video = yellow, Audio Left
= white, and Audio Right = red)
2. How to use
Insert a video tape into the VCR and press PLAY on the
VCR. (Refer to the VCR owner's manual.)
Select AV input source by using the INPUT button on the
remote control.
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When connecting with an S-Video cable
1. How to connect
Connect the S-VIDEO output of the VCR to the
S-VIDEO input on the set.
Connect the audio outputs of the VCR to the AUDIO
input jacks on the set.
2. How to use
Insert a video tape into the VCR and press PLAY on the VCR.
(Refer to the VCR owner's manual.)
Select AV input source by using the INPUT button on the
remote control.
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