[Boatanchors] JOHNSON MODEL 122 VFO RE-CAP
Ed - K9EW
k9ew57 at gmail.com
Sun Mar 18 08:53:41 EST 2007
Has anyone done a re-cap on a Johnson Viking Model 122 VFO? Mine is
working, but unstable, drifts, and has a mild chirp. Other than that,
it's working fb.
I've already cleaned the Bandswitch and variable capacitor grounds
with De-Oxit, which helped quite a bit. I think the instability might
be fixed by re-establishing good chassis grounds. Not sure about
fixing the mild chirp - that may come from the voltage regulator. I
suspect the drift can be fixed or improved with the addition of the
appropriate capacitors.
Any references or suggestions would be appreciated.
Tnx es 73,
ed - k9ew
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