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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 ENERGY STAR
Partner LGE U. S. A.,Inc.
has determined that this
product meets the
ENERGY STAR guidelines
for energy efficiency.

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   Also See for LG 23LS7DC - - 23" LCD TV

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   Summary of Contents for LG 23LS7DC - - 23" LCD TV

  • Page 1

    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...

  • Page 2: Warning / Caution

    Article 820-40 of the National without written authorization from LG Electronics. Unauthorized modification could void user's Electric Code (U.S.A.). The code provides guidelines proper grounding and, in particular, specifies that...

  • Page 3: Safety Instructions

    SAFETY iNSTRUCTiONS iMPORTANT SAFETY iNSTRUCTiONS 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.

  • Page 4

    Use only with the cart, stand, tripod, bracket, with an exact replacement part by an authorized or table specified by the manufacturer, or sold servicer. Protect the power cord from physical with the apparatus. When a cart is used, use or mechanical abuse, such as being twisted,...

  • Page 5: Table Of Contents

    CONTENTS WARNING / CAUTION ......1 SAFETY INSTRUCTIONS ......2 Picture Size (Aspect Ratio) Control ....37 INTRODUCTION ........6 Preset Picture Settings ........- EZ Picture - Preset ........Feature of this TV ..........- Color Tone - Preset........Manual Picture Adjustment ......

  • Page 6

    Clock Setting ..........- Auto Clock Setup ........- Manual Clock Setup ......... Auto On/Off Timer Setting ......Sleep Timer Setting ......... Auto Shut-off Setting ........Set Password & Lock System ......60 - Setting up Your Password ......60 - Set Password ...........

  • Page 7: Introduction

    FEATUREOF THIS TV LG's own special digital image generator, consisting Manufactured under license from Dolby Laboratories. of a full digital image processor, six different main I"1t"1uLI _ "Dolby "and the double-D symbol are trademarks of DIGITAL E N G i N E picture quality factors.

  • Page 8: Accessories

    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.

  • Page 9: Front Panelinformation

    PREPARATION FRONT PANELINFORMATION _ Here shown may be somewhat different from your TV. I-I"1 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.

  • Page 10: Back Panelinformation

    BACK PANELINFORMATION Here shown may be somewhat different from your TV. O SERVICE ONLY RGB (PC) IN Connect the output from a PC. HDMI/DVI IN AUDIO IN (RGB/DVI) Connect the audio from a PC or DTV. Connect a HDMI signal to this jack. Or DVI (Video) signal to this jack with a HDMI to DVI cable.

  • Page 11: Stand Installation

    PREPARATION STAND INSTALLATION 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 I-rl until clicking sound. stand bod' cover base Carefully place the product screen side down on a cushioned...

  • Page 12: Detaching Stand

    DETACHING STAND I Here shown may be somewhat different from your TV. Carefully place the product screen side down on Pull cover base backward while pressing button a cushioned surface that will protect product on stand body. screen from damage. Hold the stand and bend it upward.

  • Page 13: Back Cover For Wire Arrangement

    PREPARATION BACK COVER FOR WIRE ARRANGEMENT 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.

  • Page 14: Positioning Your Display

    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...

  • Page 15: Vesawall Mounting

    PREPARATION VESAWALL MOUNTING 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. 4 inches 4 inches 4 inches...

  • Page 16: Kensington Security System

    KENSINGTON SECURITY SYSTEM - The TV is equipped with a Kensington Security System connector on the back panel. Connect 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.

  • Page 17: Antenna Or Cable Connection

    PREPARATION 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. Multi-family Dwellings/Apartments Wall [(Connect_ to wall antenna socket) Antenna Socket !iiii!iiiiiiiiiiiiiii!ii (VHF, UHF) Single-family...

  • Page 18: Hd Receiversetup

    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...

  • Page 19

    EXTERNAL EQUIPMENT SETUP When connecting HDMI cable 1. How to connect Connect the digital set-top box to HDMI/DVI 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...

  • Page 20

    When connecting HDM[ to DV[ cable 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.

  • Page 21: Dvd Setup

    EXTERNAL EQUIPMENT SETUP DVD SETUP 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). £9 Connect the audio outputs of the DVD to the COMPONENT...

  • Page 22

    When connecting with an S-Video cable 1. How to connect 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.

  • Page 23: Vcr Setup

    EXTERNAL EQUIPMENT SETUP VCR SETUP 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.

  • Page 24

    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.

  • Page 25: Headphone Setup

    EXTERNAL EQUIPMENT SETUP HEADPHONE SETUP You can listen to the sound through the headphone. 1. How to connect Plug the headphone into the headphone socket. To adjust the headphone volume, press the VOL + or - button. If you press the MUTE button, the sound from the headphone...

  • Page 26: Pc Setup

    PC SETUP This TV provides Plug and Play capability, meaning that the PC adjusts automatically to the TV's settings. When connecting D-sub 15pin cable 1. How to connect Connect the RGB output of the PC to the RGB (PC) IN jack on the set. Connect the PC audio output to the AUDIO (RGB/DVI) jack on the set.

  • Page 27

    EXTERNAL EQUIPMENT SETUP Supported Display Specifications 31.469 70.08 ® j * RGB-PC modeonly 31.469 70.08 o--- 31.469 59.94 3Z879 60.31 48.363 60.00 4Z776 59.87 4Z712 60.01 60.023 60.00 31.469 59.94 31.500 60.00 ® * HDMI mode only 44.96 59.94 45.000 60.00 i!!iiiii!iiiiii 33.72...

  • Page 28

    Screen Setup for PC mode Overview When the RGB input of the set is connected to a PC output, select the RGB-PC as the main input mode. When HDMI connect to PC output and select HDMI/DVI input, this function is used. After connecting RGB-PC or HDMI/DVI to PC ouput and checking...

  • Page 29: Remote Control Functions

    WATCHING TV / CHANNEL CONTROL REMOTE CONTROL FUNCTIONS When using the remote control, aim it at the remote control sensor on the TV. SAP Q Analog mode: Selects MTS sound (Mono, Stereo, or a SAP) _ p.49 o DTV mode: Changes the audio language. PICTURE Selects the factory preset picture...

  • Page 30

    POWER Turns your TV or any other programmed equipment on or off, depending on the mode. In AV, Component, RGB-PC, and HDMI/DVI input sources, screen returns to the last TV channel. INPUT External input modes rotate in regular sequence: TV, AV, Component, RGB-PC, and HDMI/DVl.

  • Page 31: Turning On Tv

    WATCHINGTV / CHANNELCONTROL TURNING ON TV !_/_ P/_T/_ _!IJ/_L_ First, connect power cord correctly. At this moment, the TV switches to standby mode. In standby mode to turn TV on, press the (b/I, INPUT, CH (+ or -) button on the TV or press the POWEK TV, INPUT, CH (+ or -), Number (0~9)

  • Page 32: On-screen Menus Selection

    ON-SCREEN MENUS SELECTION Your TV's OSD (On Screen Display) may differ slightly from what is shown in this manual. Press the MENU button and then use • or • button to select the each menu. Press the • button and then use • •...

  • Page 33: Channel Setup

    WATCHINGTV / CHANNELCONTROL CHANNEL SETUP Auto Scan (EZ Scan) Automatically finds all channels available through antenna or cable inputs, and stores them in memory on the channel list. Run EZ Scan again after any Antenna/Cable connection changes. A password is required to gain access to EZ Scan menu if the Lock System is turned "-i-...

  • Page 34: Add/delete Channel (manual Scan)

    Add/Delete Channel (Manual Scan) A password is required to gain access to Manual Scan menu if the Lock System is turned "-r Press the MENU button and then use • or • button .--t to select the SETUP menu. Press the • button and then use •...

  • Page 35: Channel Editing

    WATCHINGTV / CHANNELCONTROL (..<:.-: - ....Channel Editing There are two different ways in order to add or delete scanned channels. One is "Custom List" and the other is "Favorite List" in the channel list. Both of them are available after EZ Scan on the SETUP menu.

  • Page 36: Dtv Signal Strength

    DTV SIGNAL STRENGTH This feature displays the DTV signal levels being received and indicates whether you need to adjust your antenna or digital cable input. The higher the signal strength, the less likely you are to experience picture degradation. DTV Signal: This function is only available when the input signal is DTV or CADTV.

  • Page 37: Input Source Selection

    WATCHINGTV / CHANNELCONTROL INPUT SOURCE SELECTION Changes the picture source so you can watch your off-air TV, cable TV, VCR, DVD, or any other devices that connected to your TV. Press the MENU button and then use • or • button to select the SETUP menu.

  • Page 38: Picture Size (aspect Ratio) Control

    CONTROL PICTURE SIZE (ASPECT RATIO) CONTROL This feature allows an analog picture with a 4:3 aspect ratio is displayed on your TV. When you receive an analog picture with a 4:3 aspect ratio on your 16:9 TV, you need to specify how the picture is to be displayed.

  • Page 39

    PICTURECONTROL Horizon Set by program Selects the proper picture proportion to match The screen size is, more enlarged at both sides, the source's image. to create a spectacular view. (4:3-* 4:3) Zoom "O (16:9-* 16:9) Choose Zoom when you want to view the pic- ture without any alteration.

  • Page 40: Presetpicture Settings

    PRESETPICTURE SETTINGS EZ Picture - Preset EZ Picture adjusts the TV for the best picture appearance. Select the preset value in the EZ Picture menu based on the program category. Daylight, Normal, Night Time Settings are preset optimum picture quality at the factory and are not adjustable.

  • Page 41: Color Tone - Preset

    PICTURECONTROL Color Tone - Preset Choose one of three automatic color adjustments. Set to warm to enhance hotter colors such as red, or set to cool to see less intense colors with more blue. iiiiiiii Press the MENU button and then use • or •...

  • Page 42: Manual Picture Adjustment

    MANUAL PICTURE ADJUSTMENT EZ Picture - User Mode Adjust the picture appearance to suit your preference viewing situations. Press the MENU button and then use • or • button to select the VIDEO menu. © Press the • button and then use • or •...

  • Page 43: Color Tone - User Mode

    PICTURECONTROL Color Tone - User Mode You can also adjust the detailed settings (Red, Green, Blue) by selecting the Color Temperature-User menu. iiiiiiii ress the MENU button and then use • or • button to select the VIDEO menu. €_ ©...

  • Page 44: Xd - Picture Improvement Technology

    XD - PICTURE IMPROVEMENT TECHNOLOGY XD is LG Electronic's unique picture improving technology to display a real HD source through an advanced digital sig- nal processing algorithm. When selecting EZ Picture options (Daylight, Normal Night time), XD is automatically changed to Auto.

  • Page 45: Advanced- Black (darkness) Level

    PICTURECONTROL LEVEL ADVANCED- BLACK (DARKNESS) Adjusting the contrast and the brightness of the screen using the black level of the screen. This feature operates only in AV or HDMI/DVI. iiiiiiii Press the MENU button and then • • button to select the VIDEO menu.

  • Page 46: Picture Reset

    PICTURE RESET Use to quickly reset all the Video menu options to their original factory preset values. Press the MENU button and then use • or • button to select the VIDEO menu. © Press the • button and then use • or •...

  • Page 47: Preset Sound Setting (ez Sound)

    SOUND & LANGUAGE CONTROL PRESETSOUND SETTINGS (EZ SOUND) EZ Sound lets you enjoy best sound without any special _#;_ SOUND adjustment because the TV sets the appropriate sound options based on the program content. Normal, Stadium, News, Music and Theater are preset for good sound quality at the factory...

  • Page 48: Sound Setting Adjustment - Usermode

    SOUND SETTING ADJUSTMENT - USERMODE Adjust the sound to suit your taste and room situations. Press the MENU button and then use • or • button to select the AUDIO menu. © Press the • button and then use • or •...

  • Page 49: Balance

    SOUND &LANGUAGE CONTROL BALANCE Adjust the left/right sound of speaker to suit your taste and room situations. Press the MENU button and then use • or • button to select the AUDIO menu. © Press the • button and then use • or •...

  • Page 50: Stereo/sap Broadcasts Setup

    STEREO/SAP BROADCASTS SETUP This TV receive stereo programs and any Audio (Secondary Program) that accompanies stereo pro- gram if the station transmits an additional sound signal as well as the original and when select Stereo or SAP on the remote control.

  • Page 51: Audio Language

    SOUND &LANGUAGE CONTROL AUDIO LANGUAGE Other languages may be available if a digital signal is pro- vided by the broadcasting station. This feature operates only in DTV/CADTV mode. Press the MENU button and then use • or • button to select the AUDIO menu.

  • Page 52: On-screen Menus Language Selection

    ON-SCREEN MENUS LANGUAGE SELECTION The menus can be shown on the screen in the selected lan- guage. First select your language. Press the MENU button and then use • or • button to select the OPTION menu. © Press the • button and then use •...

  • Page 53: Caption/text

    SOUND &LANGUAGE CONTROL CAPTION / TEXT Analog Broadcasting System Captions Select a caption mode for displaying captioning information provided on a program. Analog caption displays information any position on the screen and is usually the program's dialog. Text displays information, usually at the bottom position and is...

  • Page 54: Digital Broadcasting System Captions

    Digital Broadcasting System Captions Choose the language you want the DTV/CADTV Captions to appear in. Other Languages can be chosen for digital sources only if they are included on the program. Press the MENU button and then use • or • button to select the OPTION menu.

  • Page 55: Caption Option

    SOUND &LANGUAGE CONTROL CAPTION OPTION Customize the DTV/CADTV captions that appear on your screen. Press the MENU button and then use • or • button to select the OPTION menu. © Press the • button and then use • or • button to select Caption Option.

  • Page 56: Clock Setting

    TIME SETTING CLOCK SETTING Auto Clock Setup The time is set automatically from a digital channel signal. The digital channel signal includes information current time provided by the broadcasting station. Set the clock manually if the current time is set incorrectly by the auto clock function.

  • Page 57: Manual Clock Setup

    TIME SETTING Manual Clock Setup If the current time setting is wrong, reset the clock manually. Press the MENU button and then use • or • button to select the TIME menu. Press the • button and then use • or •...

  • Page 58: Auto On/off Timer Setting

    AUTO ON/OFF TIMER SETTING The timer function operates only if the current time been set. The Off-Timer function overrides the On-Timer function they are both set to the same time. The TV must be in standby mode for the On-Timer to work.

  • Page 59: Sleeptimer Setting

    TIME SETTING SLEEPTIMER SETTING The Sleep Timer turns the TV off at the preset time. !s£ !ZUb TIMER Note that this setting is cleared when the TV is turned off. Press the TIMER button repeatedly to select the number of minutes.

  • Page 60: Auto Shut-off Setting

    AUTO SHUT-OFF SETTING set to on and there no input signal, TV turns automatically after 10 minutes. Press the MENU button and then use • or • button to select the TIME menu. Press the • button and then use • or •...

  • Page 61: Set Password& Lock System

    PARENTALCONTROL / RATINGS Parental Control can be used to block specific channels, ratings and other viewing sources. The Parental Control Function (V-Chip) is used to block program viewing based on the ratings sent by the broadcasting station. The default setting is to allow all programs to be viewed. Viewing can be blocked by choosing the type of the program and the categories.

  • Page 62: Set Password

    Set Password Change the password by inputting a new password twice. For USA For Canada After inputting the password, use the • or • button to choose Set password. Press the • button and then choose any 4 digits for your new password.

  • Page 63: Channel Blocking

    PARENTAL CONTROL/RATINGS CHANNEL BLOCKING Blocks any channels that you do not want to watch or that you do not want your children to watch. After inputting the password, use the • or • button to choose Block Channel. Press the • button.

  • Page 64: Movie & Tv Rating

    MOVIE & TV RATING Movie Rating (MPAA) - for USAonly Blocks movies according to the movie ratings limits speci- fied, so children cannot view certain movies. You can set the ratings limit by blocking out all the movies with the ratings above a specified level.

  • Page 65: Tv Rating Children & General (forusa Only)

    PARENTAL CONTROL/RATINGS TV Rating Children - for USA only Prevents children from watching certain children's TV programs, according the ratings limit set. The children rating does not apply to other TV programs. Unless you block certain TV programs intended for mature audiences in the TV Rating - sub menu, your children...

  • Page 66: Canada Only)

    TV Rating English - for CANADA only Selecting canadian english language rating system, After inputting the password, use the • or • button choose TV Rating-English. Press the • button and then use the • or • button select E, C, C8+, G, PG, 1 4+, 1 8+, or Blocking Off.

  • Page 67: Troubleshooting

    APPENDIX TROUBLESHOOTING ,,,I C heck to see if there is any object between the product and the remote control causing obstruction. Ensure you are pointing the remote control directly at the TV. ,,,i E nsure that the batteries are installed with correct polarity (+ to +, - to -).

  • Page 68

    ,,,I P ress the VOL or VOLUME button. ,,,i S ound muted? Press MUTE button. ,,,i T ry another channel. The problem may be with the broadcast. Are the audio cables installed properly? ,,,i A djust Balance in menu option. Work the Auto configure or adjust clock, phase, or H/V position.

  • Page 69: Maintenance

    MAINTENANCE Early malfunctions can be prevented. Careful and regular cleaning can extend amount of time enjoy your Caution: Be sure to turn power off and unplug power cord before begin any cleaning. Cleaning the Screen Here's a great way to keep the dust offyour screen for a while.

  • Page 70: Product Specifications

    PRODUCT SPECIFICATIONS m The specifications shown above may be changed without prior notice for quality improvement. 22.9 x 18.1 x Z8 inches 19,7 x 15.8 x 6,9 inches 499.4 x 401.2 x 175.1 mm 581,3 x 458.9 x 198.8 mm AClOO-240V - 50/60Hz NTSC-M,...

  • Page 71: External Control Through Rs-232c

    EXTERNAL CONTROL THROUGH RS-232C RS-232C port allows connect RS-232C input jack an external control device (such as a computer or an A/V control system) to control TV's functions externally. Note: RS-232C on this unit is intended be used with third party RS-232 control...

  • Page 72

    RS-232C Configurations Either cable below can be used. D-Sub 9 D-Sub 9 D-Sub 9 D-Sub 9 Set ID Use this function to specify a TV ID number, Refer to 'Real Data Mapping'. • p.73. Press the MENU button and then use • or •...

  • Page 73

    Command Reference List 03 Aspect Ratio (_ p,73) 12, OSD Select 0 ~ 1 04. Screen Mute 0 ~ ] 13, Remote Control OS. Volume Mute 0 - 1 Lock Mode 06. Volume Control 0 ~ 64 14. Treble 0 - 64 07.

  • Page 74

    Power (Command2:a) Volume Control (Command2:f) To control Power On/Off of the TV. To adjust volume. Transmission [k] [a][ ] [Set ID] [ ] [Data] [Cr] You can also adjust volume with the volume buttons on remote control. Data 0 : Power Off Data I : Power On Transmission [k][f][ ][Set...

  • Page 75

    Tint (Command2:j) 1 6. Balance (Command2:t) To adjust the screen tint. To adjust balance. You can also adjust tint in the Video menu. You can also adjust balance in the Audio menu. Transmission [k][J][ ][Set ID][ ][Data][Cr] Transmission [El [t] [ ] [Set ID] [][Data] [Cr] Data Red : 0 - Green : 64 Data Min: 0 - Max: 64(_transmit...

  • Page 76

    Data5: The table above lists thebinary code w hich m ust be converted toHexadecimal before sending. For e xample: The binary code t otune thesub source toanNTSC cable c hannel is"1000 0001 " ,which t ranslates to"81" inHex. * 7thbit:For w hich s ource doyou want tochange the channel.

This manual also for:

20ls7d, 20ls7dc, 23ls7d

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