1 . Error projector lamp - Bulbs not emit light - Lamp unstable operation ( when there is no light at ) - Explosion bulbs - Lamp end of useful life 2 . Optical System Error - Dim light and dark - One or the four corners of the screen does not display 3 . Error creating color projector system - Light color change ( projected image turns purple or green banana , white or the picture) - Discoloration some areas projector - Photos slide breaks - There is a strange noise when running the projector - Color display incorrect or missing colors , Wrong color ... 4 . System Error formed - Take pictures in a certain area projection - Mottled color on the projected image 5 . Error projector lens - The projector can not zoom or focus - Image blur flying formation - Also at fault circuit system and sensor system could lead to projector is not working , or less stable , overheat or have excessive noise while operating .
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