LG Electronics RU-23LZ50C owner manual Troubleshooting Checklist, Symptoms

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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.

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Contents LCD Regulatory Information Safety Instructions On Disposal Safety InstructionsContents Controls IntroductionConnection Options CH D / E Channel button VOL F / G Volume button Remote Control Key FunctionsInstalling Batteries PowerKensington Security System RU-23LZ50C only AccessoriesRear A/V Cover Installation InstructionWire Holders Adjusting the TV Viewing AngleAntenna Connection External Equipment ConnectionsCable Box VCR SetupCable TV Setup External Equipment ConnectionsComponent Input ports External A/V Source SetupDVD Setup ExternalDPM Display Power Management mode DTV SetupPC Setup Resolution Horizontal VerticalMenu Language Selection TV Operation OverviewAdd/Delete Channels with Manual Program Channel Menu OptionsMemorizing the Channels with EZ scan Favorite Channels Setup Manual Picture Control User option Cinema Mode SetupPicture Menu Options EZ VideoEZ Audio Equalizer AdjustmentsAVL Auto Volume Leveler Sound Menu OptionsPress the MTS button repeatedly Stereo/SAP Broadcasts SetupSound Menu Options Sound BalanceManual Clock Setup Timer Menu OptionsAuto Clock Setup For On timer function only Timer Menu OptionsOn/Off Timer Setup Sleep Timer SetupClosed Captions Special Menu OptionsKey Lock Special Menu OptionsCaption/Text CaptionsLock Menu Options Lock Menu Options Lock Menu SetupSetting Lock on/off Set passwordPC Menu Options only DVI-Analog mode RS-232C Configurations External Control Device SetupRS-232C Setup Type of Connector D-Sub 9-Pin Male Transmission / Receiving Protocol Command Reference ListSet ID Communication ParametersReal data mapping 1 0 Step Power On CommandaColor Commandi IR Codes How to ConnectRemote Control IR Code Code Hexa Function Cleaning the Cabinet MaintenanceProduct Specifications Cleaning the ScreenSymptoms Troubleshooting Checklist