JVC LT-42X579 manual Troubleshooting, Following are not malfunctions

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Troubleshooting

PROBLEMS	CHECK
Screen is 80% black	• The Closed Caption Text mode is on. Turn it off in the Closed Caption Menu, page 29.

Stereo or bilingual	• Make sure the MTS settings are correct. See page 37.
programs can't be
heard

Static electricity	• It is normal to feel static electricity if you brush or touch the screen.

You hear occasional	• It is normal for the TV to make crackling sounds when first turned on or off. Unless
crackling sounds	the sound or picture become abnormal, this is fine.
The picture is slightly	• Change the picture format setting on your external device to 1080i or other resolution.
cut off when you use
1080p format only
The screen	• This occurs when you select a digital menu when your input source is from the HDMI
disappears except for	connection. Press the menu button.
the menu screen

My HDMI device	• This JVC television can accept a variety of HD signals, including 720/60p, 1080/60i and
doesn’t work or	1080/60p. It does not accept a 1080/24p signal. Please note that in some cases, a Blu-ray
doesn’t work properly	or HD-DVD may only offer the choice of 1080/60i or 1080/24p. In this case, it is necessary
	to choose the 1080/60i output. Please refer to your Blu-ray/HD-DVD manual for complete
	details on choosing the correct output.
“Weak Signal”	• This OSD appears when the digital channel that you have selected is too weak to receive or
appears	no signal is being detected for that channel.

“No Program”	• It appears when that channel is not receiving a signal and you have the Noise Muting
appears	function OFF and you have a single screen. It moves automatically every two seconds to
	prevent the screen from burn-in.
	• Even if "NO PROGRAM" appears on the screen, your timer functions and auto shut off
	functions that you set, are still active.
	• If you are watching an analog channel, NO PROGRAM does not appear.

The following are not malfunctions.

•The television may make a creaking sound if the temperature of the room or the temperature of the inside of the television changes. If there is no problem with the screen or sound, then there is no need to worry.

•The picture may be temporarily disturbed and noise may be seen on the screen if the power is turned on immediately after it has been turned off. This is not a malfunction.

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Contents Important Note Serial Number Model NumberTable of Contents Risk of Electric Shock Do not Open Important Safety Instructions FCC Notice Precautions Avoiding Temporary Burn-inExamples include, but are not limited to the following For examplePrecautions Caring for the CabinetCaring for the Screen Tidying the cablesDisconnecting the stand Package Contents Insert the batteriesRemote Control Digital channels only. SeeRemote Control TV Basic Controls Front PanelSide Panel TV Basic Controls Antenna / Cable For more detailed information, see pages 42Video and Audio AudioCompatible Signal Setup Initial setupTurn on the TV Set the language Set time attributeSetup Thank you! Setup is now completeSet TV attribute Key Features Full or Widescreen ModeRemote Control Functions SleepReturn+ TV FavoriteRemote Control Functions AspectVideo Standard / Dynamic / Theater / GameGuide SUB CHChange or adjust the setting Customizing your TVDisplay the menu bar Display the desired menu Close the menuCustomizing your TV PictureVideo Status Color Temp Color ManagementDynamic Gamma Video Reset Picture Smart PictureDigital VNR Natural CinemaDisplay Video Input LabelPhoto Viewer 90º Rotation Display Aspect Ratio Setting Closed CaptionTuner Mode AutoscanAdd Channel Edit ChannelChip GuideWhen entering the password When you lock or unlock channelsTV V-Chip TV V-Chip Password Set a new passwordConﬁrm and set TV V-Chip Mpaa Can. EngCan. Fre TV Y Appropriate for all children TV Y7 Appropriate for older childrenTV G General Audience TV PG Parental Guidance SuggestedSound Digital Audio MLSurround Audio Reset Sound Sound StatusPower Sleep TimerPower Indicator IlluminationPlug-In Menu Time ZoneLanguage Noise MuteSetting Front Panel Lock TransparencyAuto Shut Off System InfoConnect an Antenna or Basic Cable Connect a Cable BoxConnecting Your Devices Connect a DVD PlayerConnect a Camcorder Connect an Amplifier using the Digital Audio Optical OUT Connect an Amplifier or Home Theater SystemConnect a Digital TV Device Connect a Blu-ray, HD DVD Player or Hdmi Device Troubleshooting Problems CheckTroubleshooting Following are not malfunctionsSpecifications subject to change without notice SpeciﬁcationsPage Page JVC Company of America JVC CANADA, INC