[Heathkit] Intermittent HG-10 FIXED

[Eugene Rippen]

I fixed it.
The last capacitor in the output circuit was opening intermittently.
100 pfd. just ahead of the output jack.

Gene  WB6SZS




----- Original Message ----- 
From: <k5sw at azalea.net>
To: "Eugene Rippen" <soundval at foothill.net>
Sent: Saturday, June 26, 2004 12:44 PM
Subject: Re: [Heathkit] Intermittent HG-10


> I run 3 HG-10's (2 hg-10-b's, 1 hg-10 plain)-never had that problem.Let
> us know if you find a solid fix in case we ever have that problem.
> sam w5wax
>
> Eugene Rippen wrote:
> >
> > PROBLEM:  The HG-10 works when first turned on.  In about 10 seconds to
> > maybe over a minute, the frequency starts to come down and within about
3 to
> > 7 seconds it drops to zero.  After a while ( varies greatly, 30 seconds
to
> > maybe 5 minutes) it begins to oscillate, starting at zero frequency, and
> > rising to the correct frquency. Then all of this is repeated, over and
over.
> >
> > SO FAR, I HAVE:  Replaced tubes. Re-soldered all the connections, I
think.
> > Shoved and pulled on wires and components, and checked the voltages on
the
> > 6CH8.  I began heating resisters, when I stopped for dinner last night.
As
> > I write this, I have not faced it today; however,  I do not believe that
> > either the Green Fairy or the Magic Bunny fixed anything for me last
night.
> > (Their agent promised me, but never said when.)
> >
> > Anyone out there fix a similar problem?
> >
> > Any advise is greatly appreciated.
> >
> > Gene,   WB6SZS
> >
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