JVC 1EMN24939, A94N5UH manual Troubleshooting Guide

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TROUBLESHOOTING

Troubleshooting Guide

If the unit does not perform properly when operated as instructed in this manual, check the following chart and all connections once before calling for service.

Symptom

Remedy

		• Make sure the AC power cord is plugged in.
	No power	• Make sure that the AC outlet supplies the proper voltage, plug another electrical
	No power	appliance into the AC outlet.
		• If a power failure occurs, unplug the AC power cord for 1 minute to allow the unit
		to reset itself.

	Control button does not work.	• Press only one button at a time. Do NOT press more than one buttons at the same
	Control button does not work.	time.
		time.
		• Check whether the connection of the antenna, cable receiver or satellite box is
		connected correctly.
	Power is ON but no screen	• Check whether all the cables to the unit are connected to the correct output jack
	Power is ON but no screen	of your device like BD/DVD recorder.
	image.	of your device like BD/DVD recorder.
	image.	• Make sure that the selected input mode is connected to the working input jack.

		• Check if your computer is NOT in sleep mode when the input mode of this unit is
		in PC mode. Tap any key on the keyboard to wake up your computer.
		• Check if the power is on.
		• Check if the right input mode is selected.
		• Check whether all the cables to the unit are connected to the correct output jack
		of your device like BD/DVD recorder.
		• View other TV channels. The problem might be limited to the broadcasting station.
		• Turn off the unit and wait for about 1 minute, then turn on the unit again.
	No picture or sound	• Check whether the connection of the antenna, cable receiver or satellite box is
	No picture or sound	connected correctly.
		• Make sure that the selected input mode is connected to the working input jack.
		• Check if your computer is NOT in sleep mode when the input mode of this unit is
		in PC mode. Tap any key on the keyboard to wake up your computer.
T		• Make sure that the sound is not muted. Press [MUTE] so that the volume bar and
T		current volume level will appear on the TV screen.
		• Make sure that the volume is NOT set to “0” or “Mute”. If so, use [VOLUME - / +] to
V		adjust the desired volume.
	No color	• View other TV channels. The problem might be limited to the broadcasting station.
	No color	• Adjust “Color” in the main menu.
		• Adjust “Color” in the main menu.
	Adjusted ‘‘PICTURE” or ‘‘SOUND”	• You must set ”Home” in ”Location” (Refer to page 33).
	is not effective every time turn	Otherwise, the settings you adjusted will not be memorized after you turn off the
	on the unit.	unit.

		• Electrical interference from nearby appliances may affect picture quality.
	Sound OK, picture poor	• Adjust “Contrast” and “Brightness” in the main menu.
	Sound OK, picture poor	• View other TV channels. The problem might be limited to the broadcasting station.
		• For the best picture quality, watch “high definition” wide screen programs.
		If the HD content is not available, watch “standard definition” programs instead.
	Picture OK, sound poor	• View other TV channels. The problem might be limited to the broadcasting station.
	Picture OK, sound poor	• Check if the audio cable is connected in correctly .
		• Check if the audio cable is connected in correctly .
	You see a distorted picture or	• You may be getting interference from electrical appliances, automobiles,
	You see a distorted picture or	motorcycles or fluorescent lights.
	hear an unusual sound.	motorcycles or fluorescent lights.
	hear an unusual sound.	• Try moving the unit to another location to see if this is the cause of the problem.


	Ghosts, lines or streaks in	• Electrical interference from nearby appliances may affect picture quality.
	picture	• View other TV channels. The problem might be limited to the broadcasting station.

	You see “noise” or “trash” on the	• When the capabilities of the unit exceed the capabilities of the digital
	screen.	broadcasting, the signal will be increased to match the capabilities of the display
	screen.	of the unit. This may cause noise or trash.
		of the unit. This may cause noise or trash.
	Different color marks on the TV	• View other TV channels. The problem might be limited to the broadcasting station.
	screen

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Contents Important Note Model No Serial NumberFCC Warning PrecautionsOnly use attachments/accessories specified by Manufacturer RADIO-TV InterferenceTrademark Information Introduction Supplied AccessoriesSymbols Used in this Manual Attaching the StandFeatures DTV/TV/CATVContents TV Functions DVD FunctionsControl Panel TerminalsRemote Control Function Installing the Batteries Battery PrecautionsConnection to Cable Receiver or Satellite Box PreparationAntenna Connection Satellite providerHDMI-DVI Connection External Device ConnectionHdmi Connection Component Video Connection Video ConnectionInformation PC Connection Plug In the AC Power CordResolution TV Functions Initial SetupAfter an initial setup is completed Before you beginWatching TV Volume AdjustmentSleep Timer Channel SelectionSwitching Audio Mode Still ModeSwitching Each Input Mode Press Info TV Screen InformationBroadcasting information Following information is displayedTV Screen Display Mode Autoscan Optional SettingMain Menu Enter Using Channel -/ +Channel List Manual Register Language Selection Press Setup to exitAntenna Confirmation Use Cursor K/L to select Antenna, then press EnterColor Temperature Picture AdjustmentPicture Mode Press Setup to exitAdjust the following items Sound AdjustmentSound Mode TV SpeakersClosed Caption Caption ServiceCaption mode Use Cursor K/L to select Caption Style, then press Enter Digital Caption ServiceService 1~6 Use Cursor K/L to select On, then press EnterFont Color Font StyleFont Size Font OpacityChild Lock Use Cursor K/L to select Child Lock, then press EnterUse Cursor K/L to select Channel Lock, then press Enter Channel Lock Mpaa RatingFunction Association of America Use Cursor K/L to select Mpaa Rating, then press EnterUse Cursor K/L to select TV Rating, then press Enter TV RatingTo set the sub ratings TV RatingNew Password New PasswordUse Cursor K/L to select New Password, then press Enter Confirm passwordClock, Phase PC SettingsAuto Adjustment Horizontal Position, Vertical PositionUse Cursor K/L to select the desired mode, then press Enter Energy Saving ModeLocation Use Cursor K/L to select Location, then press EnterCurrent Software Info Current Software InfoConfirm the version of the software currently used Unplayable Media Operating DVDDVD Functions Playable Media Resume Playback PlaybackDisc Menu Zoom Fast Forward / Fast ReverseSlow Forward / Slow Reverse Chapter / Title / Track Search During playback, press Mode repeatedly until / appearsSearch Functions You can select chapters, titles or tracks on the discRepeat Playback Time SearchDirect Search You can repeat playback between a and B on a disc Repeat A-B PlaybackRandom Playback Subtitle Language Special SettingsOn-screen Display PlaybackCamera Angles Black Level SettingPress Cursor K/ L to adjust the black level Audio LanguageVirtual Surround Stereo Sound ModeMarker Setup Subtitle *1, *2Default OFF DVD SettingDVD Language Setting Select the desired subtitle languageBitstream DVD Audio SettingDown Sampling PCMNumber buttons to enter the current 4-digit password Parental SettingIf you have set password already, use Use the Number buttons to enter the new 4-digit passwordYou can change the other functions Auto Power OFFOthers Use Cursor s / B to select , then press Enter Reset to the Default Setting Language Code ListUse Cursor K/ L to select DVD, then press Enter Use Cursor K/ L to select YES, then press EnterUsing Channel / +. Refer toSwitching Each Input Modeon Remote controlWhen autoscan is interrupted and not completed Refer to Autoscan onTroubleshooting Troubleshooting GuideCaptions are displayed as a White box You switch to a different input and the volumeCheck the Parental setting Black box is displayed on the TV screenGlossary MaintenanceInformation NtscOther Specifications General SpecificationsElectrical Specification Cable Channel DesignationsDo not attempt to service the product yourself Page JVC Company of America Division of JVC Americas Corp Valley Road Wayne, New Jersey