English120TroubleshootingBefore 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 41, 43)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 30)Power automatically turns off unexpectedly.Check the settings of [No signal power off], [HDMI1 powermanagement], [HDMI2 power management], [DIGITAL LINKpower management], [DVI-D power management], [PCpower management] and [No activity power off]. Any of themmay be set to [On (Enable)]. (see page 51)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.If the installation condition is normal, pull out the remotecontrol sensor from the edge side of the main unit whenusing.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 73)Check whether [Controller ID function] in [Options] menu isset to [On]. (see page 74)Check whether switch is set to . (Whenusing ID remote controller) (see page 115)