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After replacing the bulb on my projector there is no red. Is there something that I may have done when replacing the bulb that could have caused the problem?
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Sounds like the lamp. The only way to really check it is to either put a new bulb in or put the old bulb in a different projector. Neither of which probably help you at this point. But, it does sound like the lamp is blown.
There could be a number of causes starting with a clogged cooling channel. If you have not had your projector recently cleaned, this could be a likely cause. Additionally you may be having issues with the fans. If you are interested, I could have one of our technicians have a look. Projector Repair Bulb Replacement
no, it is the light filter (polarizer). it is caused by excessive heat and dust buildup. blow out projector with canned air to prevent further discoloration, but the filter needs replacing.
I experienced the same thing, only to discover it was the ballast that powers the lamp. I believe INFOCUS repairs for $390.00 per the technician that I spoke with on the phone at INFOCUS.
I had the same problem awhile back and looking around for an answer i found this. http://recklessphilosophers.com/2008/05/02/home-theatre-for-63--dlp-pj-retrofit-for-7-bulb-instead-of-300.aspx
How many hours had it done? The bulb may have expired and as a safety precaution the projector will not switch on, otherwise the bulb will explode causeing further damage.
This is NOT a bulb problem unless your "lamp" LED is lit, which you say it is not. Many people have reported this problem with the Optoma 72. You can send it in for warranty service (it has a 2-year warranty) to get the lamp controller chip replaced, but the problem may recur. Optoma does not appear to have a permanent solution to this problem. My projector has broken exactly like yours TWICE in a year. I haven't even needed to replace the original bulb yet. :(
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