English114TroubleshootingBefore 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 the.)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 71, 73)A display error such as “no picture” occurs, or remotecontrol operation is suddenly disabled.This unit incorporates highly-advanced software. If younotice an abnormal operation such as “Remote controlcannot be operated” or “Display is disturbed”, remove thepower plug from the socket outlet, and inset it again after 5seconds or more to turn the power on. (see page 35)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)]. (seepage 81)Power indicator is blinking in red. There is possibility of malfunction. Please contact anAuthorized Service Centre.
