2 yr old TV. Picture comes on fine but after 30 minutes or so it begins to degenerate into darker, fuzzier tones with purple faces and psychodelic-like color splotches that change with the background color. Sound is never a problem.
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Re: Mitsubishi WD-73827 with degrading color
More then likely your 2005 MODEL has a bad "LIGHT ENGINE". Call an Authorized Service Center and have them give you an estimate, then call MIT's and try to get them to give you a "CONCESSION". It's costly. Good Luck, big IRISH.
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Hi, Mitsubishi WD-73286 is DLP tv that does not have any convergence circuit inside. Convergence is required in old model rear projection tv that has three basic colors picture tubes to generate color picture that projected on front screen of tv. DLP tv has light engine to generate picture, it is similar to multimedia projector that throws its picture on wall. Hope this info will help. Thanks.
It will cost you probably in the area of $700.00 to replace the Light Engine. I don't think it would be a good idea to repair it. DLP sets have been out of production a few years now due to high failure rates of the light engines for all makes and models and the consumer cost for the lamp.
I have the same problem with a WD 73732. After about an hour fleshtones go blue / purple, and picture flashes. I gutted the set, and ran it on the bench, and found that a sensor on the color wheel (a small external board), acts up when it gets hot. Cooling the board fixed the picture. I'm going to try to find a replacement part, and then make vents in the color wheel cover so it doesn't get so hot in there.