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Hello, the main chip in the "light engine" has gone bad. Mitsubishi had a program that they were sending out the chip at no charge, but wouldn't pay the labor of changing it. I don't know if they still have that program going, but you might want to contact them. tks
White dots are caused by the DLP chip failing.This part must be replaced to get rid of the white dots. Samsung is covering the cost to repair this problem on several models. Ypu can call 1-800-samsung to find if your unit is covered.
try cleaning your screen the holes that you see on side of set is whear you clean.it go to walmart and buy lcd cleaner and that should work. but if still thear your eng block is bad
That would be covered under warranty, I believe that's caused by a bad light engine. Normally warranty covers most issues except lamp, unless lamp prematurely dies.
Power issues (Tv not turning on) were typically due to faulty ballast.
While the TV reports a bad lamp it is the ballast itself causing the
issue. Samsung is well aware and will replace both the ballast and the
lamp (since the lamp can be prematurely aged but the bad ballast).
After replacment most people stop having issues.
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