[Johnson] Valiant 2 VFO pulling

Dave Maples dsmaples at comcast.net
Mon Apr 4 20:24:52 EDT 2005


All: I have a Valiant 2 that on 160M and 40M (the two fundamental bands for
the
VFO) the VFO pulls significantly as the EXCITER control is adjusted.  This
suggests that the isolation amp section of the unit (the plate circuit of
the VFO tube) doesn't really seem to be working correctly, but I can't spot
the problem.

I've been through the unit and can't find a cause after doing the usual tube
replacement, voltage and resistance checks, etc.

Is this a design issue for the Valiant (hard to believe) or something folks
can suggest changes for?

Thanks,
Dave WB4FUR




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