LG Electronics Z44SZ80 Troubleshooting Checklist, Horizontal/vertical bars, Or picture shaking

Page 43

Troubleshooting Checklist

Troubleshooting Checklist

No picture &

No sound

Picture OK &

No sound

The Remote Control

doesn’t work

Picture appears slowly

after switching on

No or poor color or poor picture

Check whether the TV is turned on.

Is the power cord inserted into wall power outlet?

Test the wall power outlet, plug another product’s power cord into the outlet where the TV’s power cord was plugged in.

Press the VOLUME (G) button.

Sound muted? Press MUTE button.

Check to see if there is any object between the TV and the Remote Control causing obstruction.

Are batteries installed with correct polarity (+ to +, - to -)? (Refer to p.10)

Correct remote operating mode set: TV, VCR etc.?

Install new batteries. (Refer to p.10)

This is normal, the image is muted during the TV startup process. Please contact your service center, if the picture has not appeared after five minutes.

Select Color in the Picture menu and press the G button. (Refer to p.24)

Keep a sufficient distance between the TV and the VCR.

Activate any function to restore the brightness of the picture.

(If still picture is on the screen for more than 5 minutes, the screen gets dark.)

Horizontal/vertical bars

• Check for local interference such as an electrical appliance or power tool.

or picture shaking

 

Owner’s Manual 43

Image 43
Contents Installation and Operating Guide Warranty Power Cord Polarization Important Safety Instructions Safety InstructionsSafety Instructions Contents Controls IntroductionBack Connection Panel Connection OptionsMini glossary Front Connection PanelTV/VIDEO Remote Control Key FunctionsTV Input Installing BatteriesExternal Equipment Connections InstallationAnalog and Digital TV signals provided on antenna Analog and Digital TV signals provided on cableAnalog and Digital TV signals provided on cable and antenna VCR SetupConnection Option How to use External A/V Source SetupDVD Setup How to connectMonitor Out Setup Hdstb SetupMonitor Display Specifications RGB-PC or HDMI1/DVI Mode PC SetupWhen the PC supports DVI How to connect When the PC supports RGB How to connectExternal Stereo Digital Audio OutputHdmi Reference Cable samplePC Mode, the Supported PC Resolution Specification DTV Mode, the Supported TV Set Resolution SpecificationTurning the TV On Turning on the TV just after installationTurning on the TV power cord is still connected OperationOn-screen Menus Language Selection TV SetupEZ Scan Channel Search Setup Menu OptionsChannel Edit Main Picture Source Selection Channel Label SetupEZ Picture Color Temperature ControlVideo Reset Video Menu OptionsEZ Sound Audio Menu OptionsAudio Language EZ SoundRiteStereo/SAP Broadcasts Setup TV Speaker On/Off SetupFront Surround Time Menu Options Auto Clock SetupManual Clock Setup On/Off Timer SetupAuto Off Sleep TimerOption Menu Options Cinema 32 Mode SetupAspect Ratio Control Digital Broadcasting System Captions CaptionCaption/Text Analog Broadcasting System CaptionsEZ Demo Caption OptionChip rating and categories Lock Menu OptionsParental Lock Setup TV Program selection for PIP Selecting an Input Signal Source for PIP/Twin PictureWatching PIP/Twin Picture Swapping the PIP/Twin PictureMoving the PIP sub picture Adjusting Main and Sub Picture Sizes for Twin PictureBrief Info EZ Mute Operation Adjustment for screen Position, Size, Phase, ResetProgramming the Remote Programming Codes SAT DVD Horizontal/vertical bars Troubleshooting ChecklistOr picture shaking Unusual sound from Poor TV input SignalPoor Video Signal No output from oneCleaning the Cabinet Cleaning the ScreenExtended Absence Z44SZ80 Z52SZ80 Product SpecificationsPage Zenith Electronics Corporation