Damage to the optical light engine, likely fatal from a cost point of view.
SOURCE: Numerous white spots on Smasung DLP TV
You will actually get white and black dots , the black ones are tougher to see because of the color in the background , within 2 months youre picture will be fully covered with dots....I went through the Samsung website troubleshooting flow chart , and it led me to a bad Digital Micromiror Device , or DMD board . What is actually the problem is the DMV chip connected to this board . Inside this chip are 3 million tiny mirrors ,and when they physically get stuck , they either show black or white instead of a color . Samsung will not tell me the part number of the chip , they will only offer to send a service tech to my house .
SOURCE: white spots on screen and growing every day
If these spots are small, they are likely the visual effect of a failing DLP chip. When some of the tiny mirrored surfaces on the chip stop moving, this is the result. This is not something you can fix yourself. A Samsung authorized service center will charge $400-$500 to replace it for you.
michtech
SOURCE: White dots appearing on Samsung TV screen and multipling each day
It seems you might have an issue with the dmd board. Go to the menu, and if the dots still show on the menu, the issue definitely is with the dmd board but if they don't come up on the menu, the issue will be with the video board.
SOURCE: Numerous white spots on Smasung DLP TV
This is a known issue with many Samsung DLP sets. The complete solution is here:
http://forums.cnet.com/5208-13973_102-0.html?messageID=3162774&tag=emfrnd#3162774
Be sure to read the entire post before acting to avoid being charged for the service.
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