56Before calling for serviceBefore calling for service, check the following points.Problem Possible causePower does notturn on.No picture appears.The picture isfuzzy.COLOR is too light orTINT is poor.No sound can beheard.• The power cord may not be connected.• The MAIN POWER switch is turned off.• The main power supply is not being supplied to thewall outlet.• TEMP indicator is illuminated or flashing. (Refer topage 49.)• LAMP indicator is illuminated or flashing. (Refer topage 50.)• The lamp unit cover has not been securelyinstalled.• The video signal input source may not beconnected properly.• The input selection setting may not be correct.(Refer to page 27.)• The BRIGHT adjustment setting may be at theminimum possible setting. (Refer to page 36.)• The shutter function may be in use. (Refer to page43.)• The lens cover may still be attached to the lens.• The lens focus may not have been set correctly.(Refer to page 28.)• The projector may not be at the correct distancefrom the screen. (Refer to page 26.)• The lens may be dirty.• The projector may be tilted too much. (Refer topage 25.)• COLOR or TINT adjustment may be incorrect.(Refer to page 36.)• The input source which is connected to theprojector may not be adjusted correctly.• The audio signal source may not be connectedproperly.• The volume adjustment may be at the lowestpossible setting. (Refer to pages 16 and 42.)• A cable may be connected to the AUDIO OUT jack.• The MUTE function may be active (page 42).
