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Just getting back to this after travel... What is the DMD board? Where can I get a replacement? Otherwise, I'm familiar with light tunnel problems, at least the ones where a shadow covers part of the screen. That doesn't go away when the power is cycled as this problem does. For this problem, half t...

When the right half of the screen goes completely black, the left side is perfectly normal, bright and crisp, color fine, but just half a picture. No pixelation or distortion. The problem is independent of video source. I have to turn the TV off long enough for the color wheel to completely spin dow...

Samsung HL-R5668W, purchased 2/06, replaced lamp a couple of times, replaced color wheel on 4/09. Satisfactory operation otherwise. Right half of screen now occasionally goes black. If I turn it off and back on, the problem goes away until the next time. Anyone else seen this problem? Any suggestions?