My projector show white spots - Acer X1230 DLP Projector

You might inspect the DLP color wheel if you're confident in opening and looking inside your projector.

white spot in image is comman problem of dmd chip it is fixed in to light engieen with heat sink replacment can possiable by expert

1,white spots appeared on screen,means the DMD is broken,you need a new DMD. USD200

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1,white spots appeared on screen,means the DMD chip is broken,you need a new DMD chip.I supply the DMD chip and the price is USD200

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We supply original projector lamp,bulb,accessories,Lcd panel,Lens,DMD chip,color wheel,motherboard,powersupply,ballast... with high quality and competitive price.
have a nice day!
Jerry,Lampdeng Limited

this could be dust, or dried water spots from moisture

1,white spots appeared on screen,means the DMD chip is broken,you need a new DMD chip.I supply the DMD chip and the price is USD120

White spots on the screen are generally caused by a bad DMD chip.Multiple elements of the chip remain continuously on causing these spots.Solution is replacement of DMD chip.
Samr

need new dlp chip.

Here is a video that shows you. http://www.youtube.com/watch?v=V_uUH-xHKkU

Any spots that are white are not dust on the output side of the bulb. This is a component failure. IF it was dust it would be dark spots.