Is this bulb dead? - AVS Forum
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post #1 of 5 Old 05-20-2013, 06:32 PM - Thread Starter
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Hey all, up until today I've just lurked around here for info. I have a lc-xb15 that was given to me. I did a drywall screen painted with a OTC paint recommended on some sight. Currently building a hushbox I found on here.

Anyway, on to my question. My xb15 turns on, lamp comes on for a second or less. Projector power indicator starts blinking red, fans go to high speed. Projector turns off after 15 to 20 seconds. Is this most likely the bulb? I've cleaned out both filters and used air to clean out the entire unit. na4ana9e.jpg
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post #2 of 5 Old 05-20-2013, 06:32 PM - Thread Starter
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Larger picusytyze8.jpg
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post #3 of 5 Old 05-20-2013, 09:54 PM
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That bulb looks dead. They are usually clear.

Welcome to the darkside.....
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post #4 of 5 Old 05-21-2013, 07:26 AM - Thread Starter
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Thanks Tinman. That's what I thought but just double checking before I order a replacement.
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post #5 of 5 Old 06-01-2013, 12:56 PM - Thread Starter
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So I ordered a cheaply replacement bulb and nothing. When I turn it on it does the same thing. But, with the old bulb in I still see it try to fire and there is a little bit of bulb startup, then it goes off. The new one doesn't even try to fire (I see no bulb light at all). So I'm guessing maybe the cheap $70 replacement bulb might be bad?

Anyone know how to test the ballast and to verify its the bulb? Eiki says retail for a replacement balast is $500+. Not going that route. I disassembled the unit and didn't notice anything bad on the power supply or balast board. Eiki said the mosfets go bad so I replaced it while I had the board out.

Should I just spend the money and get a high dollar bulb?
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