Question about InFocus ScreenPlay 4805 Multimedia Projector

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X2 board I have several (12) X2 projectors that have bad controller boards. Where can I find replacements? It will cost about $350 + parts to have these repaired by InFocus.

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I have ballast problems with several X2 X3 projectors and even a C180 (Proxima) although with different ballast power layout. My X2 units mostly seem to have blown a pair of output FETs (2SK3568), but that is only part of the problem. One unit powers up, but just won't strike the lamp. Installing a good ballast power supply board fixes the problem, but I can't find any place to buy or repair these without sending the whole projector in for repair.

Perhaps it is time to trace out the schematic of these boards and have someone start repairing them at big profits.

Posted on Nov 05, 2008

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Ebay has several that need bulbs... just a thought here is one of the item numbers Item number: 270207032811

Posted on Jan 29, 2008


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Try LumenArc. They stock a range of ballasts. If yours is not listed, then email them.

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Infocus projector power supply parts

you won't find schematics for them. infocus had their boards made by someone else who now no longer makes boards. it's usually the caps drying out that causes power problems.

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2 Answers

Infocus projector power supply dead

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1 Answer

Infocus x2

first try another computer cable. if same results, press the "auto image" button on the projector. if that doesn't work, press menu, select settings, then factory reset, and "yes". if you still have the same problem, the eca (main board) is bad.

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1 Answer

In need of new controller board???

The cost of a new controller is prohibitive. If you have to replace that, you may as well replace the projector. It is the second most expensive part in the projector, the optical engine being the most expensive. Last time I checked, a new Controller Board assy is in the neighborhood of $800 - $900.

Feb 01, 2008 | InFocus ScreenPlay 4805 Multimedia...

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