Re: unable to fix faulty capacitor? pls help!

From: Asimov (Asimov_at_-removethis-bbs.juxtaposition.dynip.com)
Date: 06/13/04 

Date: Sunday, 13 Jun 2004 10:44:54 -500

"Peter" bravely wrote to "All" (13 Jun 04 12:21:29)
 --- on the heady topic of "Re: unable to fix faulty capacitor? pls help!"

 Pe> From: "Peter" <doktor@extra.smartchat.net.au>

 Pe> OK, replaced the rectifier with the above one from Jaycar, but the
 Pe> symptoms are exactly as they were before replacing the cap. :-(

 Pe> A few minutes after turning the piano on, I get a "pop" sound through
 Pe> the speakers and all goes silent. Turning the piano off and then on
 Pe> again brings it back to life and it works for a while.
 Pe> And I can still smell the strong fishy smell coming from somewhere but
 Pe> I cannot locate it. Very strange. No, I don't have a dead fish in
 Pe> there :-) It must be some component overheating or leaking, but which
 Pe> one?
 Pe> Is replacing all the caps the next step? It seems like hitting a
 Pe> mosquito with a hammer.

One time when I was stuck trying to find a faulty component my little
girl asked me why I didn't simply replace all the parts in the
affected area. She made perfect sense since it was only a handful of
resistors and capacitors to replace. Sometimes a brute force approach
is more profitable than the actual time invested in troubleshooting.
It's a philosophical point that a professional technician can
appreciate since labour is usually more costly than the parts. And, as
an aside, a defective component tends to stress the others around it
too, for example by overheating them, etc.

 A*s*i*m*o*v

... Real techs don't lick nine-volt batteries!

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