JVC LT-37X688, LT-42X688 manual Troubleshooting, Problems, Check

Page 73
Troubleshooting

Troubleshooting

Refer to the table below to check the condition. If you think that there is a problem, contact the JVC Service Center where you purchased the television.

PROBLEMS

 

CHECK

There is no power

• See if the power cord became unplugged.

 

 

• Check for a blown fuse or circuit breaker or a power outage.

 

 

 

There is no picture

• The antenna could be disconnected.

 

• The input mode could be set improperly. See page 57.

or sound

• The tuner (Auto Tuner Setup) could be set improperly. See page 40.

 

 

• The TV station may be having difficulties. Check to see if other stations are working.

 

• Use the HDMI cable with HDMI logo

. See page 19.

 

• If you have a device connected to INPUT-1 or INPUT-2, you will not be able to hear any

 

audio from the AUDIO OUT on the back of the TV.

 

• You cannot output audio using the OPTICAL OUTPUT when you have digital sound from

 

an HDMI device connected to the INPUT-1 or INPUT-2 connection on the back of your TV.

 

(See page 18).

 

 

• This TV can accept 480i (Composite / S / HDMI / Component), 480p, 720p and 1080i

 

signals. Please check your settings.

 

 

 

Remote control is not

• Check to see that the batteries are still working and properly installed.

operating properly or

• Make sure the remote has a clear sight path to the TV.

at all

• You may be too far from the TV. You must be within 23 feet (7 meters).

 

 

You cannot select a

• Make sure the channels have been programmed. See "Channel Summary", page 41.

certain channel

• Check to see if the channel is locked. See "Channel Summary - Lock" page 42.

 

 

The power turns off

• Make sure the set did not become unplugged.

by itself

• Perhaps the On/Off Timer is set. See page 53.

 

• Check to see if the Sleep Timer was set. See page 59.

 

 

It does not operate

• This television is operated by a microprocessor. It is possible that external noise or

correctly

interference is causing the problem. If the television does not function correctly, remove the

 

electrical plug from the wall outlet and wait a while before inserting it into the wall outlet

 

again and operating the television.

 

 

 

The clock is wrong

• The power was interrupted and the clock was not reset. See page 52.

 

 

The color quality

• Tint and Color may be improperly adjusted. See page 46.

is poor

• The Video Status mode may be turned to the wrong setting. See page 59.

 

 

There are lines

• There could be interference from another electrical appliance, such as a computer,

across the picture

another TV or VCR. Move any such appliances further away from the TV.

 

 

The picture is spotted

• There could be interference from a high-wattage appliance, like a hairdryer or vacuum,

 

operating nearby. Move the antenna away from the appliance or change to a coaxial

 

cable connection which is less prone to interference.

 

 

There are double

• A building or passing airplane can reflect the original signal and produce a second,

pictures (ghosts)

slightly delayed one. Adjust your antenna position.

 

 

Picture is snowy

• Your antenna may be damaged, disconnected or turned. Check the antenna

(image noise)

connection. If the antenna is damaged, replace it.

 

 

Screen is 80% black

• The Closed Caption Text mode is on. Turn it off in the Closed Caption Menu, page 36.

 

 

Stereo or bilingual

• Make sure the MTS settings are correct. See page 63.

programs can't be

 

 

heard

 

 

 

 

 

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Contents Model Number Serial Number Important NoteLCD Flat Television Users Guide For Models LT-42X688 LT-37X688RISK OF ELECTRIC SHOCK DO NOT OPEN Important Safety PrecautionsIMPORTANT RECYCLING INFORMATION IMPORTANT SAFETY INSTRUCTIONSThis product has a fluorescent lamp that contains mercury. Disposal of these materials may be regulated in your community due to17 Cautions for installation Avoiding Ghost Images WarningsCaring for the Screen Caring for the CabinetTidying the cables To re-install the stand, reverse the procedure from 4 to Disconnecting the stand1 Place the TV face down on a soft cloth on a table 2 Remove the four screws from the back of the TVTroubleshooting Specifications Warranty Authorized Service Center Important Safety Precautions Warnings Quick SetupOnscreen Menus Button FunctionsUnpacking your TV Quick SetupTelevision x Cover xSide Panel Diagram Rear Panel DiagramTV Models TV RM-C1450 Remote ControlStep 1 - The Remote Control Using Menu ButtonsBasic Operation Getting StartedNo VCR Connection Step 2 - Connecting your devicesCoaxial Cables Component CablesDiagram #1 VCR DVD ConnectionIN OUT OUT Diagram #2TV Rear Panel CAMCORDER Connecting to a CamcorderConnecting to an External Amplifier Connecting to a Digital TV Receiver Connecting to an HDMI Compatible Device Connecting to an amplifier using your optical output Continued LanguageStep 3 - The Interactive Plug-in Menu Manual Clock Set Auto Clock SetExit ModeNow Programming Auto Tuner SetupOnscreen Menus Using the GuideThe Onscreen Menu System External Input Initial Setup 1/2Initial Setup 2/2 M e n uClock/Timers Interactive Plug-in MenuBack Back Menu ExitNoise Muting Initial SetupLanguage Front Panel LockThe V-Chip main screen will appear when the password is correct V-ChipUS V-Chip Ratings Press the MENU button when finished Setting US V-Chip RatingsDirections to set US V-Chip Ratings π†√ To the TV 14 ColumnDirections to set Movie MPAA Ratings Movies RatingsFor example Press the MENU button to finishDirections to set Canadian V-Chip Ratings Canadian V-Chip RatingsSet Canadian Ratings English Directions to Block Unrated Programs Unrated ProgramsThis programming exceeds Set Lock Codeby 10 key pad to unlock it. No Channel Guard MessageClosed Caption Auto SettingManual Setting Auto Shut Off Power IndicatorSoftware Version Quick Start-up Optical OutAuto Tuner Setup Tuner Setupcontinue to follow these directions for all seven spaces Channel SummaryYour characters are now set Your characters are now reset Channel Summary ContinuedFind Channel Tuner Diagnostic Service Use OnlyDigital Antenna Level Digital Antenna LevelHDMI Size External InputVideo-1 Audio chart below To select the desired preset input label seePress the M ENU button when finished Video Input LabelPicture Settings Picture AdjustAdjust the Picture Settings Color TemperatureDynamic Gamma Color ManagementSmart Picture MPEG NR Digital VNRNatural Cinema A u t oReset Position AdjustmentTo Picture Adjust To ResetSound Settings Sound AdjustAdjust the Sound Settings Turn On VolumeVolume Limit Set Clock Clock/TimersOnce On/Off TimerCurrent How to finish the Photo Viewer How to start the Photo ViewerPhoto Viewer Multi Screen Slide Show Auto DemoInterval Time Auto DemoVolume + PowerButton Functions Number Buttons - 10Key PadSound Return +/TVMuting the timer to shut off Sleep TimerYou can also select the timer by pressing the π† buttons Video StatusC.C. Closed Caption DisplayClosed Caption Aspect Ratios AspectMenu Aspect Ratios ContinuedBack A s p e c tMono ML/MTSEnglish Spanish Sub ChannelRegister the favorite channel FavoriteDelete the favorite channel GuideTV STB VCR DVD AUDIO ModeExternal device control buttons Remote Programming How to set the codesRemote programming Search Code FunctionSTB mode Programming CodesCable Set Top Box Satellite Set Top BoxVCR mode DVD/PVR Combination DVD Recorder DVD modeHome Theater in Box Amplifier Audio modeReceiver OSD Information Weak SignalAudio / Data Only Channel No Program or Weak SignalPROBLEMS TroubleshootingCHECK PROBLEMS The following are not malfunctionsCHECK Specifications subject to change without notice SpecificationsModel LT-37X688Page Page Page Page JVC CANADA, INC JVC COMPANY OF AMERICACanada, M1X 1A7
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