Question about InFocus ScreenPlay 4805 Multimedia Projector
Have had 4805sp for 4 yrs and love it. No problems until last week when the infamous light tube problem reared its ugly head.With the help from a thread on AVS FORUM I attempted to fix the light tube.The only really hard part was getting the pj on without breaking the plastic. After closing it up I turned it on and found I had indeed fixed the problem. This is the problem. The pj will only run for 4 or 5 minutes and then shuts down. I have repeatedly opened and closed the pj looking for something unusual. I noticed that the fan behind the color wheel is running but the fan behind the lamp is not. Can you give me some info? Also, I noticed that you offered to send someone the service manual. I didn't know there was such a thing and have looked all over the internet for it. Would you please send it to me?
Yeah, thats the bad fault that one. The fault you have described is the main controller board giving up the ghost and stops supplying enough voltage to the fan tp allow it to run, and shutting down after 4 or 5 mins is the safety thermostat on the bulb cutting it out as to not cause any damage due to overheating. My projector had both these same faults, I ended up just buying a new light tunnel after many attempts of glueing mine back together unsuccesfully =(, and to fix the fan issue (without spending $800 on a new controller board), I permanently mounted the insides of an old nokia charger inside the projector, which supplies the fan with its own power source, worked like a charm =D. Yes I would be more then happy to send you the service manual, may I have your email adress to send it to?
Posted on Jun 22, 2008
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Posted on Jan 02, 2017
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