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Got white spots on my 42 inch tv all over the thing on te screen

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These white dots are a very conmenissue when the DMD board is starting to go bad (the integrated DMV chip). The DMDcontrols the color wheel and the light engine; it’s in charge of manipulatingthe light engine so it can project a picture on the screen. A test you can try:bring up the TV menu. If the white dots appear in the menu, then that willi ncrease the probability of a malfunctioning DMD, if not then the digital video board will raise suspicion. Now if you decide to buy a new DMD you’ll have to search by part number, NOT by model number, the main reason is that two TVs the same model number may have non compatible components because they are different generation when they where assembled.
Also if by any chance you can’tfind the DMD sold separately, your next option is to buy the entire lightengine that includes the DMD, and obviously that’s going to be more expensive. If you're trying to save lots of money and you really know what your buying try eBay,you can get a really good deal, how ever if you are not familiar with TV parts,and don’t want to take a chance buying something that might not work, try online stores that specialize in TV parts (my personal recommendation: Discount-Merchant

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Posted on May 15, 2010

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