How do I fix white dots covering 50% of my screen?

Trace Shults, what you have is a bad DMD chip in the light engine. Apparently this is a common issue with the Mitsu TV series. Only way to repair this, is by replacing the DMD board, which is part of the light engine. Part number for the board is 00.L8811G001 and it is available at places like this. Hope this helps, good luck.

"I've repaired a couple of these tvs. Replacing that DMD chip is the only solution I know for the problem. Fortunately, the hard part of the repair is disassembling the whole mess, overall its an easy job. I do remember on these though that a heat transfer pad likes to break apart on the light engine and you've got to be careful with it but I don't remember where it was specifically. Probably the only one, just be mindful as you work.

I suppose though, TI is probably the manufacturer of the chips. DLP is a TI technology

Whenever I find electronics relegated for the garbage, I can't help myself but to pick them up and repair them. I've picked up 2 of these from curbs headed for the garbage truck, one of which currently sits in my living room as my main tv. They're great tvs after they're repaired. I had to give and buy a new bulb for mine as the picture was dimming beyond what was useful."