JVC GD V502U, GD-V422U manual Troubleshooting, No Picture No Sound By button on the remote control

Page 73

Troubleshooting

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

 

Symptoms

 

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 stand-

No Picture

 

No Sound

by button on the remote control.)

 

 

 

 

 

If a signal with a non-applicable colour system

 

 

 

format, or frequency is input, only the input

 

 

 

terminal indication is displayed.

No Picture

 

Normal Sound

 

 

 

 

Colour controls set at minimum level

 

 

 

(see page 18, 19)

 

 

 

Colour system (see page 31)

No Colour

 

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

The plasma display panel is manufactured using an extremely high level of precision

technology, however, sometimes some parts of the screen may be missing picture

do not light up.

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

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

The display unit is fitted with a cooling fan to dissipate heat generated during normal

heard from the display unit.

use.The whirring sound is caused by rotation of the fan and is not a malfunction.

 

 

 

 

33

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Contents Instructions Plasma Display MonitorRisk of Electric Shock Do not Open Important Safety Instructions Table of Contents Trademark Credits Attach the ferrite coreSet up Safety PrecautionsAC Power Supply Cord If problems occur during useWhen using the Plasma Display Cleaning and maintenanceAll of the following accessories are manufactured by JVC Electric shocks can result if this is not doneAccessories Supplied AccessoriesRemote Control Batteries Speakers ConnectionsAC cord fixing PC Input Terminals connection Signal Names for mini D-sub 15P ConnectorCommand Installing the ferrite core Large sizeSerial 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 connectionNormal Basic ControlsViewing OFF Timer button Press to accessStand-by on / OFF button Surround buttonOn-Screen Menu Displays SettingsAdvanced Duration / Saver Time / Power OFF TimeSelect the Input Signal Input Signal SelectionSelecting the On-Screen Menu Language Aspect Controls Mode Picture ExplanationNormal Zoom Full Auto JustAdjusting screen Adjusting Picture POSITION/SIZESize / Clock Phase Helpful Hint N / Normalize NormalizationMute Sound AdjustmentAuto Standard Cinema Dynamic Picture AdjustmentsNormal Cool Warm Advanced Settings Setup Present Time SetupSET UP Timer Present TimePower on TIME/POWER OFF Time SET UP TimerPower OFF Time Power OFF FunctionStart setting Mode selectionScreensaver For preventing after-images Negative / Scroll selectionReduces screen after-image Setup of Screensaver TimePeak Limit OFF, DARK, MID, Bright OFF Dark MID Bright Side BAR AdjustPress to exit from Screensaver Display the Operation Guide Digital ZoomSelect the area of the image to be enlarged Select the magnification required for the enlarged displayCustomizing the Input labels Reduces power consumptionHow to setup Multi Display Setup for Multi DisplayMulti Display Setup Press to display Multi Display Setup menu Press to selectNTSC, PAL, Secam Press to select 2×2, 3×3Component / RGB in Select SET UP for Input SignalsComponent RGB 3D Y / C Filter For Ntsc Video imagesPulldown Color System / Aspect AutoIf the image becomes unstable Sync Setting RGB sync signalFREQ. kHz / V-FREQ. Hz Displays the H Horizontal / V Vertical frequenciesPlasma Display panel Symptoms Check TroubleshootingElectrical Appliances Cars / MotorcyclesApplicable input signals for PC Input mini D-sub 15P ∗ Mark Video / Component / RGB / PC input signalsPAL60 GD-V422U GD-V502U SpecificationsPage GD-V422U / GD-V502U Plasma Display Monitor Plasma Display Monitor GD-V422PCEINSTRUCTIONS GD-V502PCEPresent Time Setup For Your SAFETY, Please Read the Following Text Carefully Important Safety NoticeThis Apparatus Must be Earthed Green-and-Yellow EarthDo not stick any foreign objects into the Plasma Display SetupDo not remove the cover or modify it in any way Clean the power cable regularly to prevent it becoming dusty Observe the following precaution Accessories SupplyRequires two R6 batteries Optional Video Input Card insert Slots covered AC cord connectionSDA HD/SYNC SCL GND Ground Signal NameFull Just Norm ZoomRemote control Menu Screen on / OFF Power Indicator Sensor Main Power Button On / Off SwitchEnter / Aspect Button see Picture buttonOff SET UP buttonPosition 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 Sound adjust menu see To Picture adjust menu seePress to Setup Press to access each adjust screen From the unitPower on Time Power OFF TimeJust ZoomAuto Helpful Hint N / Normalise Normalisation Adjusting Picture Pos./ SizePos SizeDynamic NormalCinema Advanced settings Bass MuteTreble BalanceExit Button Can be operated Mute button VOL buttonPresent Time Setup Present Time Setup / Set up TimerSet up Timer White bar scroll Image Reversal Reversal / Scroll selectionOff Screensaver under On, press the R buttonStart Time Finish Time Peak limitSide Panel Adjustment Press to exit from Setup Power managementPC MiniD-sub input PC/COMPONENT/RGB/DVD/STB Press to select the Multi Display Setup Press to select 2×2, 3×3 Component / RGB-in Select Setup for Input Signals3D Y / C Filter For Ntsc AV images ComponentCinema reality Colour system / Aspect AutoIf the picture image becomes unstable PAL Secam NtscSync No Picture No Sound By button on the remote control Signal name Horizontal Vertical Component Input signal can be displayedWhen Multi Screen GD-V422PCE GD-V502PCE GD-V422PCE / GD-V502PCE Plasma Display Monitor
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