JVC GD-V422U manual Troubleshooting, Electrical Appliances, Cars / Motorcycles, Fluorescent light

Page 36

Troubleshooting

Before you call for service, determine the symptoms and make a few simple checks as shown below.

	Symptoms		Checks
Picture		Sound	Checks
Picture		Sound
			Electrical Appliances
			Cars / Motorcycles
			Fluorescent light
Interference		Noisy Sound
			Volume
			(Check whether the mute function has been
			activated on the remote control.)
Normal Picture		No Sound
			Not plugged into AC outlet
			Not switched on
			PICTURE and BRIGHTNESS / Volume setting
			(Check by pressing the power switch or
No Picture		No Sound	stand-by button on the remote control.)
No Picture		No Sound
			If a signal with a non-applicable color system
			format, or frequency is input, only the input
			terminal indication is displayed.
No Picture		Normal Sound
			Color controls set at minimum level.
			(see page 22, 23)
			COLOR SYSTEM (see page 34)
No Color		Normal Sound

This Plasma Display uses special image processing. Hence a slight time lag may occur between image and audio, depending on the type of input signal. However, this is not a malfunction.

Plasma Display panel

		Symptoms		Check
	Some parts of the screen do not			The plasma display panel is manufactured using an extremely high level of precision
	Some parts of the screen do not			technology, however, sometimes some parts of the screen may be missing picture
	light up.
	light up.			elements or have luminous spots. This is not a malfunction.
				elements or have luminous spots. This is not a malfunction.

				Do not allow a still picture to be displayed for an extended period, as this can
				cause a permanent after-image to remain on the Plasma Display.
				Examples of still pictures include logos, video games, computer images, teletext
				and images displayed in 4:3 mode.
				Note:
				The permanent after-image on the Plasma Display resulting from fixed image use
	After-images appear
	After-images appear			is not an operating defect and as such is not covered by the Warranty.

				This product is not designed to display fixed images for extended periods of time.

	Whirring sounds can be heard			The display unit is fitted with a cooling fan to dissipate heat generated during normal
	from the display unit.			use.The whirring sound is caused by rotation of the fan and is not a malfunction.

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Image 36

Contents Plasma Display Monitor InstructionsRisk of Electric Shock Do not Open Important Safety Instructions Table of Contents Attach the ferrite core Trademark CreditsSafety Precautions Set upAC Power Supply Cord If problems occur during useCleaning and maintenance When using the Plasma DisplayAll of the following accessories are manufactured by JVC Electric shocks can result if this is not doneAccessories Accessories SuppliedRemote Control Batteries Connections SpeakersAC cord fixing Signal Names for mini D-sub 15P Connector PC Input Terminals connectionInstalling the ferrite core Large size CommandSerial Terminals connection Communication parametersRGB signal R, G, B, HD, VD Power on / OFF Power on / OFFConnecting the AC plug to the Wall Outlet AC cord connectionBasic Controls NormalViewing Press to access OFF Timer buttonStand-by on / OFF button Surround buttonSettings On-Screen Menu DisplaysAdvanced Time / Power OFF Time Duration / SaverInput Signal Selection Select the Input SignalSelecting the On-Screen Menu Language Mode Picture Explanation Aspect ControlsNormal Zoom Full Auto JustAdjusting Picture POSITION/SIZE Adjusting screenSize / Clock Phase Helpful Hint N / Normalize NormalizationSound Adjustment MutePicture Adjustments Auto Standard Cinema DynamicNormal Cool Warm Advanced Settings Present Time Setup SetupSET UP Timer Present TimeSET UP Timer Power on TIME/POWER OFF TimePower OFF Time Power OFF FunctionMode selection Start settingScreensaver For preventing after-images Negative / Scroll selectionSetup of Screensaver Time Reduces screen after-imagePeak Limit Side BAR Adjust OFF, DARK, MID, Bright OFF Dark MID BrightPress to exit from Screensaver Digital Zoom Display the Operation GuideSelect the area of the image to be enlarged Select the magnification required for the enlarged displayReduces power consumption Customizing the Input labelsSetup for Multi Display How to setup Multi DisplayMulti Display Setup Press to display Multi Display Setup menu Press to selectPress to select 2×2, 3×3 NTSC, PAL, SecamSET UP for Input Signals Component / RGB in SelectComponent RGB 3D Y / C Filter For Ntsc Video imagesColor System / Aspect Auto PulldownIf the image becomes unstable Setting RGB sync signal SyncFREQ. kHz / V-FREQ. Hz Displays the H Horizontal / V Vertical frequenciesTroubleshooting Plasma Display panel Symptoms CheckElectrical Appliances Cars / MotorcyclesVideo / Component / RGB / PC input signals Applicable input signals for PC Input mini D-sub 15P ∗ MarkPAL60 Specifications GD-V422U GD-V502UPage GD-V422U / GD-V502U Plasma Display Monitor GD-V502PCE Plasma Display Monitor GD-V422PCEINSTRUCTIONSPresent Time Setup Important Safety Notice For Your SAFETY, Please Read the Following Text CarefullyThis Apparatus Must be Earthed Green-and-Yellow EarthSetup Do not stick any foreign objects into the Plasma DisplayDo not remove the cover or modify it in any way Clean the power cable regularly to prevent it becoming dusty Accessories Supply Observe the following precautionRequires two R6 batteries AC cord connection Optional Video Input Card insert Slots coveredGND Ground Signal Name SDA HD/SYNC SCLNorm Zoom Full JustMain Power Button On / Off Switch Remote control Menu Screen on / OFF Power Indicator SensorEnter / Aspect Button see Picture buttonSET UP button OffPosition buttons Digital Zoom see Sound button see Picture POS./ Size buttonPower On / Off and input signal selection Power On / Off and input signal selection To Picture adjust menu see To Sound adjust menu seePress to access each adjust screen From the unit Press to SetupPower on Time Power OFF TimeZoom JustAuto Adjusting Picture Pos./ Size Helpful Hint N / Normalise NormalisationPos SizeNormal DynamicCinema Advanced settings Mute BassTreble BalanceButton Can be operated Mute button VOL button ExitPresent Time Setup / Set up Timer Present Time SetupSet up Timer Reversal / Scroll selection White bar scroll Image ReversalOff Screensaver under On, press the R buttonPeak limit Start Time Finish TimeSide Panel Adjustment Power management Press to exit from SetupPC MiniD-sub input PC/COMPONENT/RGB/DVD/STB Press to select the Multi Display Setup Press to select 2×2, 3×3 Setup for Input Signals Component / RGB-in Select3D Y / C Filter For Ntsc AV images ComponentColour system / Aspect Auto Cinema realityIf the picture image becomes unstable PAL Secam NtscSync No Picture No Sound By button on the remote control Input signal can be displayed Signal name Horizontal Vertical ComponentWhen Multi Screen GD-V422PCE GD-V502PCE GD-V422PCE / GD-V502PCE Plasma Display Monitor