9 Feb
2002
9 Feb
'02
7:26 p.m.
On 09-Feb-2002 Tony Duell wrote:
[...]
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...
[...]
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 :-) 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