What's your specialty?

From: Thilo Schmidt <thilo.schmidt_at_unix-ag.org>
Date: Sat Feb 9 19:26:55 2002

On 09-Feb-2002 Tony Duell wrote:
>> OK, lets say the PSU is beyond repair for me and everyone else I asked.
> I've lost count of the number of 'beyond repair' things that have left my
> workbench working again :-)
[...]
> I can't believe it's any worse than the DEC PSU in the PDP11/44. That
> darn thing has _3_ independant choppers, a full H driver for the (AC)
> fans, and a fair amount of control electronics. And I've managed to work
> on those.
OK, you win ;-)

>> I'm sure it's repairable with a lot of time and many years of experience.
>> But neither I nor my fellow students have that experience.
>
> I don't want this to sound like a flame, but surely a 'student' is
> supposed to be learning. In which case you might as well learn about PSU
> repair :-). When I was a Ph.D. student I learnt how to fix SMPSUs, laser
> printers, and so on. Because somebody had to do it :-)
I knew this would backfire... :-)
Well, this discussion has motivated me enough to sit down in front of
that darn PSU again :-)
At least I will learn something...

[...]
> If the PSU will run at all, there's probably not a lot wrong with it. My
> first suggestion would be (as ever) dried up electrolytics.
OK, I'll take that into account.

bye

-- 
To invent, you need a good imagination and a pile of junk.
                -- Thomas Edison
Received on Sat Feb 09 2002 - 19:26:55 GMT

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