I have 2 LP540 projectors and 1 LP650 all with the same problem. They are dead to the world, no lights or anything. I am leaning towards the power supply although nothing appears burnt and the fuses test out fine. Anyone have any experience working on a DLP projector and what else to look for?
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Re: Infocus projectors 3 of them to be exact
I know this post is old, but did you ever have any luck fixing these projectors? I've got an InFocus ScreenPlay 5000 that is having the same issue. Granted, it's a 3-LCD projector (I think your LP models are probably DLP), but the PSU is probably similar.
In my case, it is a dead PSU problem, but something else in the projector is killing them. After the first one died, I swapped in a spare. That one lasted about a week and died as well. Then I swapped the PSU and ballast, worked for a day, and died again.
Out of curiosity, were you using the stock lamp or a third party replacement?
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