The power supply on my ASK Proxima c170 has failed. I would like to replace it with a generic power supply so that I may cheaply repair my projector. How do I find the specific specs on this power supply, or can you point me towards a power supply that I could use to replace it, ie something from www.jameco.com
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It's easier to repair the power supply if you're going to that length. If you have a power supply failure, and you already know the voltages, you should be able to trace the failed components. If not, let me know and I'll get you up and running again.
if there is no amber led, the power supply is bad. if you have an amber led and the button won't work, there is an obstruction under the button panel. if the led is red and no fans come on, the fans or the power supply is bad. if the fans come on but no light, the colorwheel is bad.
If it has no power at all or has power but fails to start, it is most likely the power supply needing to be upgraded or replaced. If you look at the projector with the top off, there should be a green wire going from the top of the main board (it is soldered to a orange cap in a group of 4) leading to the underside of the power supply. If you don't see this then your power supply is probably one that was never upgraded.
Some Proxima projectors had power supply problems, which resulted in either a dead unit, or, in the early stages of failure, might take a while to come on (maybe even 10 minutes or so).
At the college where I'm employed, we've had 4 or 5 of the DP2000X models with this problem. The cause was a bad electrolytic capacitor in the power supply, namely a 47MFD/25volt unit, in the primary side of the circuit. I have pics of this circuit board.
Another Proxima model had a shorted ceramic disc capacitor, and a blown fuse.
If you have someone who is technically savvy, they could check your model for such a problem