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ENGLISH - 65 MaintenanceTroubleshootingPlease check following points. For details, see the corresponding pages.Problem Cause ReferencepagePower does not turnon.The power cord may not be connected.z —No electric supply is at the wall outlet.z —The circuit breakers have tripped.z —Iz s the indicator, indicator, or >indicator lit or blinking?25, 59The lamp cover has not been securely installed.z 63No picture appears.The video signal input source may not be connected to a terminalzproperly.23The input selection setting may not be correct.z 30The [Brightness] adjustment setting may be at the minimum setting.z 43The input source which is connected to the projector may have azproblem.—The [AV mute] function may be in use.z 32The picture is fuzzy.The lens focus may not have been set correctly.z 29The projector may not be at the correct distance from the screen.z 20The lens may be dirty.z 12The projector may be tilted too much.z —The color is pale orgrayish.[Color] or [Tint] adjustment may be incorrect.z 43The input source which is connected to the projector may not bezadjusted correctly.—RGB cable is damaged.z —No sound from theinternal speakerThe input terminals may not have been correctly connected.z 23The volume may have been set to the minimum level.z 32, 49The [AV mute] function may have been turned on.z 32When the AUDIO OUT is plugged-in, the projector's built-in speaker isznot available.17The [Mute] function may have been turned on.z 33, 49The remote controldoes not operate.The batteries may be weak.z —The batteries may not have been inserted correctly.z 18The remote control signal receptor on the projector may be obstructed.z 15The remote control unit may be out of the operation range.z 15Strong light such as fluorescent shine onto the signal receptor.z 15When different codes are set on the projector and on the remote controz l. 55The control buttonsof the projector donot operate.The control panel is not available if the control panel is locked at [Keyzlock] under [Security] of [Setting] section.55The picture does notdisplay correctly.There may be a problem with the VCR or other signal source.zA signal which is not compatible with the projector is being input.z—72-75Picture from acomputer does notappear.The cable may be longer than the optional cable.z —The external video output from a laptop computer may not be correct.z —
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