LG Electronics RU-17LZ50C 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 Important Safety InstructionsSafety Instructions On DisposalContents Controls Power/Standby indicatorIntroduction Connection Options Remote Control Key Functions Installing BatteriesPower CH D / E Channel button VOL F / G Volume buttonKensington Security System InstallationAccessories Rear A/V Cover Wire HoldersAdjusting the TV Viewing Angle Connecting to an Inside Antenna Setup Connecting to an Outdoor Antenna SetupExternal Equipment Connections Antenna ConnectionVCR Setup Cable TV SetupExternal A/V Source Setup Cable BoxUsing Headphones PC SetupMonitor Display Specifications Resolution Horizontal VerticalOperation PC Menu OptionsTV Operation Overview Menu Language SelectionFavorite Channels Setup Channel Menu OptionsMemorizing the Channels with EZ Scan Add/Delete Channels with Manual ProgramPicture Menu Options EZ VideoManual Picture Control User option Picture format ARCSound Menu Options Manual Clock Setup Timer Menu OptionsAuto Clock Setup On/Off Timer Setup Sleep Timer SetupFor On timer function only Auto OffSpecial Menu Options Closed CaptionsKey Lock Caption/TextCaptions Lock Options Set password Lock Menu SetupSetting Lock on/off RS-232C Configurations External Control Device SetupRS-232C Setup Type of Connector D-Sub 9-Pin Male Command Reference List Set IDCommunication Parameters Transmission / Receiving ProtocolPower On Commanda Input Select Commandb Main Picture InputAspect Ratio Commandc Main picture format Screen Mute CommanddColor Commandi Tint CommandjSharpness Commandk OSD Select Commandl IR Codes How to Connect Remote Control IR Code Code Hexa Function Maintenance Product SpecificationsCleaning the Screen Cleaning the CabinetTroubleshooting Checklist Symptoms