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I think your projector lamp and LCD area is dusty.
please use pressurized air can and clean the area.also check the dust filter.
do it carefully.
regards,
nuwan
your dlp ic is going bad and needs nto be replaced. some of the mirrors are getting stuck they will appear as black dots or white dots. it usually starts as one or two and will continue to get worse over time.
well u have stopped ur movies(dvds) to many times and the dots are burn marks on ur screens if u read ur manual it will tell u NOT to leave a still picture on for to long as it will damage ur screen i assume u have a PLASMA TELEVISION if not... sorry cant help u
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