[Kenwood] ts-820s low rf

[Dr. Gerald N. Johnson, electrical engineer]

Probably bandswitch contact problems, that might be cured with a quarter
drop of DeoxIT per contact. Don't spray. The insulation isn't improved
by it and with the high voltage of a tube final you could destroy the
switch. The other problem that Kenwood's suffer is a broken switch shaft
coupler that can get the PA and low pass filter out of synch with the
driver.

73, Jerry, K0CQ
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Reproduction by permission only.