Question about InFocus ScreenPlay 4805 Multimedia Projector

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My Infocus 4805 suddenly blackout

I was watching a movie on my Infocus 4805 and suddenly it became dim and only a white strip appear on the top part of the screen. so I turn it off and try to restart the projector, and all I could see on the screen was a short light up around 3 to 5 sec and it gone, and my lamp life is only 70 hour of usage. I personally don't think it is the lamp problem, but i suspect it is a relay that start the lamp is causing the problem. Please help me with this problem. Thank You.

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First check what is the lamp you using please use lamps recomended by SONY only. That lamps might run up to 2000 hours so.......try checking your lamps and let me know.

Posted on Feb 26, 2009

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InFocus 4805 - right 1/3 is fine, middle 1/3 dim, left very dim.


the light tunnel is collapsing and needs replacement. the part itself is relatively inexpensive, but you have to be careful if you want to replace it yourself. it's under the colorwheel, which is delicate. when you remove the top, front, and rear panels, remove the colorwheel (which is between the lens and the lamp) and carefully set it aside. there are 2 screws holding the light tunnel bracket in place. remove them and the bracket. pull out the pieces of the tunnel (little rectangles of mirror) and replace with a new one. reverse the steps to put it back together. by the way, you can get the part from any infocus authorized service center (check the infocus website for the one closest to you). part # 306-0095-01

Oct 14, 2009 | InFocus ScreenPlay 4805 Multimedia...

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reset the settings to factory default and make sure the resolution matches. if it persists, replace the colorwheel.

Feb 24, 2009 | InFocus ScreenPlay 4805 Multimedia...

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Blank screen


First check if the cables are working properly. Check for loose connections and any kinks in the cables. If they are fine, try a hard reset - Unplug from power source, remove cables. Wait about 10 minutes. Now redo everything and plug in. If it still does not work, then you will have to get the device serviced..

Oct 04, 2008 | InFocus ScreenPlay 4805 Multimedia...

2 Answers

InFocus


Hi there

That is a definate Mainboard replacement.

Must warn you that it could turn out to be a expensive exercise

Feb 06, 2008 | InFocus ScreenPlay 4805 Multimedia...

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