TroubleshootingPlease check following points. For details, see the corresponding pages.Problem Cause ReferencepagePower does not turnon.f The power cord may not be connected.f No electric supply is at the wall outlet.f The circuit breakers have tripped.f Is the indicator or indicator lit or blinking?f The lamp cover has not been securely installed.———115118No picture appears.f The video signal input source may not be connected to a terminal properly.f The input selection setting may not be correct.f The [BRIGHTNESS] adjustment setting may be at the minimum setting.f The input source which is connected to the projector may have a problem.f The AV MUTE function may be in use.374859—51, 73The picture is fuzzy.f The lens cap is still attached to the lens.f The lens focus may not have been set correctly.f The projector may not be at the correct distance from the screen.f The lens may be dirty.f The projector may be tilted too much.224432-3319The color is pale orgrayish.f [COLOR] or [TINT] adjustment may be incorrect.f The input source which is connected to the projector may not be adjustedcorrectly.f RGB cable is damaged.59——No sound from theinternal speaker.f The input terminals may not have been correctly connected.f The volume may have been set to the minimum level.f The AV MUTE function may have been turned on.f When the VARIABLE AUDIO OUT is plugged-in, the projector's built-in speakeris not available.f The MUTE function may have been turned on.3848, 7851, 733852, 78The remote controldoes not operate.f The batteries may be weak.f The batteries may not have been inserted correctly.—29f The remote control signal receptor on the projector may be obstructed. 26f The remote control unit may be out of the operation range. 26f Strong light such as fluorescent shine onto the signal receptor. 26f The [REMOTE CONTROLLER] setting is set to [DISABLE] in [CONTROLDEVICE SETUP]. 84f Is the ID number setting operation correct? 29f Check if the switch on the remote control is set to "ON". 25Menu screen does notappear. f Is the on-screen display function turned off (hidden)? 68The control buttons ofthe projector do notoperate.f The [CONTROL PANEL] setting is set to [DISABLE] in [CONTROL DEVICESETUP]. 84The picture does notdisplay correctly.f There may be a problem with the VCR or other signal source.f A signal which is not compatible with the projector is being input.—130-131Picture from acomputer does notappear.f The cable may be longer than the optional cable.f The external video output from a laptop computer may not be correct.—44Picture from a HDMIdevice does notappear or picture isnot stable.f Is the HDMI cable securely connected?f Turn off the power of the projector and the connected devices. Then turn thepower of the projector and the connected devices back on.f Isn't unsupported signal cable connected?37-38—130-131No sound is outputfrom a HDMI device. f Set the sound channel of the attached device to Linear PCM. —EASY SETTINGfunction is disabled. f Turn off and turn on the power of the projector. 80Attentionf If the problem persists, after confirming the contents of the table, please consult your dealer.120 - ENGLISHChapter 5 Maintenance - Troubleshooting
