Question about Optoma HD72 Multimedia Projector
Hi, I have an Optoma EzPro 751 that had a similar problem, although it got progressively worse until it only took about 5 minutes to begin acting up. I was really frustrated, as the bulb only had around 600hrs at that point and the picture was bright. After some searching of forums like this, I found someone else with the same exact problem, but with a Dell projector (made by Optoma).
The culprit was LOTS of dust, built up on the circuitry, built up on the optics, built up everywhere! Solution: carefully open up the case and use canned air or an air compressor with a blow nozzle attachment. (warning-compressor air MUST be filtered first as it otherwise contains moisture and other harmful suspended contaminants)
I was at the end of my rope, and this really worked for my problem. It's worth a try, but BE CAREFUL! There are delicate parts in there you don't want to blast apart with air. If you use the cans, buy several as it took me quite a bit of blowing with a compressor regulated at 90psi to get it all out. Good luck!
Posted on Aug 11, 2008
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