Question about Optoma EP1690 DLP Projector

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After being on for a while sometimes 10 minutes, smoetimes 2 hours, the projection loses color and flickers, I can hear a squeeling noise, and eventually shuts down

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Mine does the exact same thing, but usually before it overheats and shuts off. This started after I replaced the lamp the third time. I haven't found an outside solution to this, but pointing a floor fan at it to keep it cooler works for me. Did you ever find a resolution?

Posted on Dec 18, 2010

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