Question about InFocus ScreenPlay 4805 Multimedia Projector
Hi, the fan on my sp4805 wasnt working working so I replaced the fan with a computer fan. It seemed to work fine until I switched off the projector and when I switched it back on the remote doesnt work and there is no light (the bulb is practically new). It looks like other people are having the same problem. Is there anyway to identify/fix the problem without having to buy new boards or a new projector.
Yes, unfortunately it is another common fault, sad really lol
The remote not working could be due to the little remote sensor board that you will have seen when taking it apart (I have a service manual if you would like it), do any of the buttons on the unit itself work that you know of?
The bulb not lighting issue can be a number of things, usually a safety wise. When you replaced the fan, what were the specifications of the fan you used? Usually computer fans differ slightly to the ones used in this model, and can cause them to fail and the unit to over heat. If the projector switches on for a bit and then turns off, it means the safety thermostat in it is cutting out preventing overheating, you could try bypassing it just to see if the bulb will ignite. I know it may sound a bit dumb but check the safety switch on the door is fully in?
If you would like the service manual I could send it to you, I found it very helpful with mine, also a forum, I think AVS was extremely helpful aswell.
Sorry if this doesn't help, I will look into it further
Posted on Jun 17, 2008
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Posted on Jan 02, 2017
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