Operation Manual

English
47
16. Troubleshooting
Beforecontactingcustomersupporttrytosolvetheproblemwiththetipsfromthefollowingtable:
Problem Possible cause and proposal for solution
Noimage,statusLEDnoton
• Check,whetherthepowerswitchattherightbottomofthedeviceisturnedon.
• Checkifthemainsplugsitsproperlyinthewalloutlet.
• CheckmainspoweronthewalloutletwithadifferentdeviceorconnectTVsetto
different wall outlet.
• Checkifthesignalcablesfromsourcedevicesareproperlyconnected.
• Checkifthesourcedeviceisturnedon.
Imageickers
• CheckiftheinputsignalofthesourcedevicematchesthespecicationsoftheTV
set.
• CheckifthePCmenusettingsmatchthevideooutputsettingsofthePC.
• Setthevaluesagain.
TV set cannot be turned on.
• Checkifthemainsplugsitsproperlyinthewalloutlet.
• Check,whetherthepowerswitchattherightbottomofthedeviceisturnedon.
Nosound.
• Checkiftheaudiocablesareproperlyconnected.
• Checkthevolume.
Volume too low.
• Checkthevolume.
• Setthevolume.
• Checkifthevolumeislimitedinthehotelmodemenu.
Snowyimage. • Checkifantennaorantennacablearedamaged.
Remote control does not work.
• Checkifthebatteriesareexhausted.
• Checkifthebatteriesmakepropercontactandareinsertedwiththecorrectpolar-
ity.
• Ensurethatnoobstaclesarebetweenremotecontrolandsensor.
• Checkifstronglightsourcesshineontothesensor.
Device is not operational.
• Disconnectfrommainspowersupplyforapprox.5seconds.Thenswitchthe
device on again.
Defective Pixels
DefectivepixelsarenoTFTpanelmalfunction.Production-relateddefectivepixelscannotbeavoided.Justlikeconver-
gencedefectsforcathoderaytubesaredefectivepixelsonlyatolerancevalue.
OurTFTpanelsofferbestvalueforpriceandquality.
Defectivepixelscanbecausedbypressureonthepanel.
ComplextestingproceduresduringandaftermanufactureensurethatalldefectivepixelsofourTFTpanelsarebelow
the respective tolerance level.
Thenumberofdefectivepixelsdependsonthekindofpixeland/orsubpixeldefect,resolutionandpanelsize.