Question about Mitsubishi WD-C657 65" HDTV
I have the same tv with the same problem and have found it to be the dmd chip which controls the mirrors. Once the chip begins to go it just gets worse and eventually will have to be replaced. Unfortunately you can't just go out and buy one and replace it yourself. It is mounted on the light engine circuit board and I got an estimate on the light engine from an authorized service representative and the cost for the part alone is about $900.00. The white spots are when the mirrors get stuck in the on position and if they get stuck in the off position they display a black dot, which I also have some of them. In a month's time my tv has gone from no dots to over 100 now. I have been searching to see if there is anyone who repairs the light engines instead of buying a new one, as this would surely be cheaper and I found a company that does this, but they will not do business with consumers only repair services. They are Hong Video Technologies, so if anyone out there knows how to get these engines refurbished and what it would cost, we both would be very appreciative.
Posted on Oct 11, 2010
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Posted on Jan 02, 2017
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