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English98TroubleshootingBefore you call for service, determine the symptoms and make a few simple checks as shown below.Symptoms CheckPicture Sound Electrical AppliancesCars / MotorcyclesFluorescent lightInterference Noisy SoundNormalPicture No SoundVolume(Check whether the mute function has been activated on theremote control.)No Picture No SoundNot plugged into AC outletNot switched onPicture and Brightness/Volume setting(Check by pressing the or ON> button on the remote control.)No Picture Normal SoundIf a signal with a non-applicable colour system format,or frequency is input, only the input terminal indication isdisplayed.No Colour Normal Sound Colour controls set at minimum level (see page 40)Power cannot be turned on.Check that the power plug or the connector are notdisconnected from the socket or the display.(see page 15)Check that the at the back of thedisplay is switched to ON ( | ).(see page 29)Power automatically turns off unexpectedly.Check the settings of [No signal power off], [HDMI1 powermanagement], [HDMI2 power management], [DVI-D powermanagement], [PC power management] and [No activitypower off]. Any of them may be set to [On (Enable)].(see page 55 - 56)Power indicator is blinking in red. There is possibility of malfunction. Please contact anAuthorized Service Centre.No remote control operations can be performed.Check whether the batteries have discharged completelyand, if they have not, whether they were inserted properly.Check whether the remote control sensor is exposed to anoutdoor light or a strong fluorescent light.Check whether any obstacle is present between the remotecontrol sensor and the remote control.Check whether the remote control designed specificallyfor use with the unit is being used. (The unit cannot beoperated by any other remote control.)Check whether the option other than [Off] is selected in[Controller user level] in the [Options] menu. (see page 69)Check whether [Control settings] - [Controller ID function]menu is set to [On]. (see page 49)Check whether switch is set to . (seepage 91)
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