LG Electronics LST-4200A owner manual Troubleshooting, Symptom Solutions

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Troubleshooting

Check the following guide for the possible cause of a problem before contacting service.

Symptom

Solution(s)

 

 

HDTV Receiver does

Plug the power cord into a wall power outlet securely.

not turn on.

 

 

 

Fragmented picture and

Check your antenna input, location, and signal strength.

unclear sound.

 

 

 

No picture.

Make sure the correct video display format is selected.

 

Make sure that the right component type is selected.

 

If HDTV Receiver is connected to your monitor or TV via the YPbPr port on the back

 

panel, the output connector setting must be set to the YPbPr position (see page 17).

 

Otherwise, you will probably see an abnormal picture.

 

If HDTV Receiver is connected to your monitor or TV via the RGB port on the back

 

panel, the output connector settting must be set to the RGB position. Otherwise, you

 

may not be able to see a picture.

 

Select the EZ Scan or Manual Add functions if you have not already done so.

 

Check to make sure all the cables are installed correctly and that the proper source

 

is selected on your TV. For example, Video 1 or 2.

 

The antenna signal strength may be low. Check the signal strength and adjust the

 

antenna location and direction.

 

Due to copyright restrictions, you may not be able to view some high definition pro-

 

grams in the high definition format.

 

For more information about connections, please refer to connections on pages 10-14.

 

 

Normal picture but no

Check volume levels.

sound.

Make sure the TV is not muted.

 

Check that the HDTV receiver is connected properly.

 

 

Picture is distorted.

Make sure the proper format is selected.

 

Make sure the proper aspect ratio is selected.

 

Make sure the video output is connected to the TV.

 

 

Available channels are

You can find all the available channels is by running the “EZ Scan” or “EZ Add” in

missing.

the SETUP menu.

You forgot your pass-

Enter the master password “7777”.

word.

 

The Remote Control

Use Mode button to select STB operational mode.

does not work properly.

Point the Remote Control at the remote sensor on the HDTV Receiver.

 

Operate the Remote Control within 23 ft (7 m).

 

Remove any obstacles blocking the signal.

 

Replace exhausted batteries with new ones.

 

 

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Contents High Definition Television Receiver Safety Precautions Regulatory Information FCC PartImportant Safety Instructions Setup Checklist Table of Contents Power Front Panel Controls and Display WindowRemote Control Key Functions Unpacking Hdtv Receiver and Accessories/Connection Overview Connection Panel Overview Antenna Connections Antenna ConnectionsTV or Other Device Connection Panel Display Formats Overview ConnectionsAnalog Monitor Connections Cable TV Wall Jack Panel TV Connection PanelConnections HD Monitor Component YPbPr Connections Cable TV Wall Jack Panel HD Ready TV Connection PanelConnections HD Monitor RGB Connections Connections HD Monitor DVI-HDTV Connections Connections VCR Connections VCR Connection PanelConnections Audio Amplifier Receiver Connections Amplifier Receiver Connection PanelSelect Display Format Display Format SetupDisplay Format Setup SelectionHelp Function Menu OverviewTypical Menu Operation SelectEZ Scan Channel Search Setup Menu OptionsEZ Add To move page by Ch. Edit Channel EditTo move one by one To add or delete a channelManual Channel Add/Delete EZ DemoOption Menu Features ClockAspect Ratio Aspect Ratio Summary Program Format Output Format Available Aspect RatiosAudio Language Menu LanguageAnalog Audio Audio Output Audio VariableCaption Menu Options DTV CaptionsDTV Caption Style StyleAnalog Captions CaptionLock Parental Control Menu Options Set PasswordTo the second level If you have not entered a password yet Lock SystemTo move one-by-one If you have already entered a passwordBlock Ch. Channel To move page-by-pageMovie Rating Lock Parental Control Menu Options TV Rating-Children TV Rating-General Lock Parental Control Menu Options Station Guide Guide OptionsProgram Guide Press MenuInformation Displays Channel Banner DisplayDatePress Info while watching a program K l m Program Information DisplayF g Normal OperationProgram and Station Guide SurfIps To Tune to another channel on the Full Information windowNormal Operation Volume AdjustmentSignal Channel SelectionProgramming the Remote Control to Operate Other Devices TV Codes Remote Control Codes for Other DevicesVCR Codes AUX CD Codes DVD CodesAUX Audio Codes STB CodesTroubleshooting Symptom SolutionsSpecifications This Limited Warranty does not Apply to Customer INTER-ACTIVE Center Numbers