LG Electronics RU-23LZ20,RU-23LZ21, RU-23LZ22 owner manual Troubleshooting Checklist, Symptoms

Page 30

Troubleshooting Checklist

SYMPTOMS

No power

No picture or sound

Poor picture but good sound

Poor reception

Lines in picture

Ghosts (multiple images)

Remote control does not work.

Cannot tune desired channel.

CHECK THESE THINGS

Is power cord plugged in ?

Is television turned on ?

Check batteries in remote control.

Try another channel (station trouble).

Check antenna connectings.

Check for local interference.

Adjust the antenna.

Adjust the picture control.

Program channel using EZ Scan.

Image 30

Contents LCD Regulatory Information Accessories Carts and Stands Important safeguards for you and your new productCleaning Power SourcesSafety Instructions Contents Introduction RU-23LZ20/21/22 Controls & Connection Options Remote Control Key Functions Installing BatteriesAccessories Power Connections RU-17LZ20/21/22 OnlyKensington Security System RU-23LZ20/21/22 Only Installation Instruction External Equipment Connections Antenna ConnectionExternal A/V Source Setup VCR SetupCable TV Setup External Equipment ConnectionsUsing Headphones DVD SetupDTV Setup Component Input portsPC Setup Resolution Horizontal VerticalDPM Display Power Management mode TV Operation Overview Menu Language SelectionChannel Menu Options Fine Tuning AdjustmentFavorite Channels Setup Memorizing the Channels with EZ ScanEZ Video Auto Color Control AdjustmentPicture Menu Options Manual Picture Control User optionPicture Menu Options Manual Color Temperature Control User optionPicture Format Setup DRP Digital Reality pictureSound Menu Options Equalizer AdjustmentsAVL Auto Volume Leveler EZ AudioSound selection in PC mode Stereo/SAP Broadcasts SetupSound Menu Options Auto Clock Setup Manual Clock SetupTime Menu Options For On timer function only On/Off Timer SetupSleep Timer Setup Time Menu OptionsSpecial Menu Options Closed CaptionsCaption/Text Special Menu OptionsCaptions Key LockLock Menu Options Set password Lock Menu SetupSetting Lock on/off Lock Menu OptionsPhase / Clock Adjustments Auto Config. AdjustmentHorizontal / Vertical Position Adjustments RGB-PC Menu OptionsPIP Picture-in-Picture Feature POP Picture-of-Picture Channel Scan Selecting an Input Signal Source for PIPSwapping the PIP Main Picture SourceTroubleshooting Checklist SymptomsCleaning the Cabinet MaintenanceCleaning the Screen Extended AbsenceProduct Specifications ModelPage Page LG Electronics, Inc LCD Television Limited Warranty USA LG 13-23 LCD Television Limited Warranty USA 3828VA0387E b ML027C