Question about Samsung DLP HL-P4663W 46" Rear Projection HDTV-Ready Television

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Samsung DLP HLS4666W White spots after replacing ballast

Took our tv to a repair shop because it kept turning off. Found out it was the power ballast. Picture was perfect besides the turning off problem. Brought it home and replaced the ballast ourselves. When we turned the tv on we fixed the turning off problem but now we have a ton of white dots frozen randomly all over the screen. And yes they are even on top of the menu screen. Could we have gotten something dirty or moved somthing out of place during our repair to have caused this?

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No. The DMD bd has gone bad and needs to be replaced. You have two options to repair your tv. The only two options will require a trained Samsung Tech to do either. Replace the DMD bd or the entire Engine. The Engine is a lot easier but more expensive. The DMD bd is more complicated to replace and will take longer thus increasing the labor cost because aligning the DMD bd takes time to do it correctly.

Posted on Jul 16, 2009

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http://www.samsungparts.com/part_detail.asp?catalog%5Fname=Parts+and+Accessories&product%5Fid=4719-001981&search%5Fmodel=HLS4666W

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