Xentek Cinematronics Power Supply

I'm working on a Xentek power supply which keeps blowing fuse F2 (3A slow blow). In fact I have 3 power supply units that I've thrown on the shelf with a similar problem. I figure this must be a common problem with the cine power supplies.

Here's a schematic
http://rossiters.com/cinematronics/Xentek-Power-Supply.pdf

The unit will make a short buzz sound before blowing the fuse. I've tried it without anything plugged in except the power cord itself.

Maybe the large capacitors are shot? I wouldn't imagine the transformer went bad.

Matt

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Received on Fri Jun 18 18:05:58 2004