Question about Promethean Board Promethean Prm-25 Super Close Ultra Wide Angle Short Throw Projector Low Hours
Need to find a color wheel and replacement instructions for PRM 25 projector
I repair electronics professionally. I have repaired dozens of PRM-25 projectors that give a color wheel error. The problem is usually not that the color wheel is broken, but that the color wheel cannot spin, because so much dust has collected inside the projector.
What I do is open the case, and carefully blow out all of the dust with an electric duster. While I have the projector open, I also take out the two fans that come out easily (one is on the side, near the lens. The other is next to another fan, but it's the one towards the back of the projector). I clean those separately, and I even use a detail brush to get into each fan blade. I also put the duster nozzle into the blower vent and blow it out.
TIP: Be careful! the color wheel is made of very delicate glass.
Posted on Oct 27, 2015
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Posted on Apr 17, 2014
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Posted on Jan 02, 2017
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