[Johnson] Failure in Valiant Audio section?

Wed, 27 Mar 2002 09:32:28 -0500

Hi Larry,
If you have carrier on yours in the am mode and no audio then I will bet it
is the notoriously bad audio interstage xfrmr. That was the problem with
mine. I do not know the model number, but AES sells a Hammond replacement.
73
Carl
WA1KPD
Visit My Boatanchor Collection at http://pages.cthome.net/nord/wa1kpd.html
----- Original Message -----
From: "Larry Knapp" <[email protected]>
To: <[email protected]>
Sent: Wednesday, March 27, 2002 9:27 AM
Subject: Re: [Johnson] Failure in Valiant Audio section?


> Edward - Welcome to the "club of non-working Valiants"....Mine has a
strong
> carrier...chirpy CW note...and NO audio output....Lets both hope ours are
NOT
> modulation transformer failures.  No clue on what's wrong with mine yet
either.
>
> Good luck & 73, Larry (KC8JX)
>
> --- "Mullin, Edward J." <[email protected]> wrote:
> >
> > Good Morning All,
> >
> > I was working on 80m when my output fell to zero. No RF Output. (ouch)
> >  Switched to a dummy load and still no output, in AM, CW mode works fine
and
> > puts out rated power.
> > Just looking at the schematic, I'm thinking this is a Modulation
Transformer
> > failure?
> > Any suggestions appreciated.
> >
> > 73 de KB1HYS
> >
> > > Edward Mullin
>
>
> =====
> May your days be full of sunshine and good thoughts fill your head.
> From: Larry Knapp, KC8JX, St. Joseph, Mi  49085
>   Best 73's
>
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