Does that make the solution more complicated? There are about 20 little
capacitors, packed like mushrooms. Are you sure it can't be anything
else? BTW, if I later unplug it, the fan spins back up again. Maybe I
could just disable whatever shuts the thing down? (I'm somewhat
squeamish about spending two hours checking each and every capacitor
with a hot soldering iron - that'll _really_ dry out my capacitors :)
>Aha... 2Hz....
>
>Forget all we've said about mains filtering...
>
>Sounds like the PSU is starting up, detecting a problem, shutting down,
etc.
>Start by testing/replacing all the output-side electrolytics. They'll
be
>1000uF-4700uF (I guess), connected (electrically) close to the output
>connections, and have voltage ratings <25V.
>
>On the grounds it works OK off-load, it's unlikely to be any of the
other
>capacitors in the unit...
>
>
>-tony
>
>
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Received on Sun Jul 05 1998 - 18:09:13 BST