Re: KOSS parts

From: David Morrison (david.morrison_at_verizon.net)
Date: 08/19/04


Date: Thu, 19 Aug 2004 03:02:33 GMT

If I disconnect the power supply from the rest of the circuit, it still
blows the fuse in the power supply circuit.

"Mark D. Zacharias" <mzacharias@yis.us> wrote in message
news:2oif5cFain70U1@uni-berlin.de...
>
> "David Morrison" <david.morrison@verizon.net> wrote in message
> news:I9MUc.10654$k63.6737@trndny03...
> > I haven't diagnosed exactly what component in the power suppy has blown
> it;
> > I was hoping to just get the whole power supply module to save
> aggrivation.
> > If I can't find the whole unit, I will try to remember what I learned in
> > college about diagnosing at component level. :) I would suspect a
blown
> > diode, but when I test a couple of them in the circuit, they seem ok I
> > probably need to unsolder at least one side to get an accurate reading.
> > What are your thoughts?
> >
> > "john" <va3mmTAKEOUTTHIS@niagara.com> wrote in message
> > news:newscache$s6jn2i$1w3$1@newsfeed.niagara.com...
> > > David Have you diagnosed the fault to find out what has blown the
fuse
> ?
> > > Parts should be available at many outlets that sell parts.
> > >
> > > kip
> > >
> > >
> >
>
> It's entirely possible, even likely, that even if you could get a "power
> supply" then replaced it, there would be no change - the fuse would still
> blow. The most likely culprit in this situation is shorted output
> transistors, and possibly some other small parts on one of the amp
channels.
>
>
> Mark Z.
>
>



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