just wanted to ask if you have gotten around this problem with misaligned colors?
Just bought a used A10 projector for myself as well with exactly the same problem. I've wondered if upgrading/rewriting the firmware would help. So far I could not download the FW yet because of registeration problems with ASK/Infocus website.
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1,the color starts to go out, it become the white and black ,
2,then,the projector running off after only a few minutes,
it is a general issue:the inductor need to be cleaned
Use a cotton swab moistened with alcohol to clean the inductor.
the inductor (Sensing element),is near to the Color Wheel.
the industor : is a black little element,as little as a sesame seed
any questions, feel free to ask me
have a nice day!
Jerry Lampdeng Limited
Which "lenses" did you clean inside the unit. It would seem that you have misalignment of the lcd panels or the phase setting may need adjusting. What input are you using and what vertical frequency is the signal using?
Did this start occurring after you replaced the lamp? The reason I ask is I had the same issue after changing the lamp and it was caused because when I took out the old lamp I noticed dust in the lamp housing which I attempted to blow away. This caused the problem because some dust got further into the projector, specifically around the color wheel. I sorted it out by taking the projector apart following the instructions here: http://tantht.blogspot.com/2009/02/how-to-remove-dust-blobs-from-optoma.html (note my HD70 was out of warranty, if yours is not, I would recommend contacting Optoma to get it fixed). Follow the above instructions to step 14 and then locate the color wheel which is at the front of the projector behind a dark gray, plastic type square shaped cover. You have to be very careful here, but remove the color wheel (there is one screw holding it in place) - note it
its not the color wheel. Its the sensor that counts the black tape on the color wheel. The sensor has dust on it. It can't count how many times the wheel is going around because the dust is blocking it. the sensor is located by the wheel. if you have any questions you can callme 610-842-7442 ask for dan.
OK first thing if you have broken the disk on a DLP projector, you can not repair with out specialist equipment to set it up, as for your other ones it sounds like your lamps are faulty, you must not use lamps over the rated hrs or you will damage the projector, if you want more help just ask me but unfortunatly in am in the UK so cant vist.
I think that projector used three different LCD panels with red, blue and yellow. You probably have a damaged red LCD panel, and if so, it is not worth getting the projector fixed. Those panels were really expensive back then. I once had that red problem with a projector and it turned out to be a bad connection on one end of the "computer to projector" cable. Borrow one from a friend and see if it solves the problem.
lamp gets brighter & brighte within a minute & immidiately color wheel stops rotating & projector goes to standby mode. for 3 to 4 minutes again same symptom contimuously observed pls guide me which part is suspected