Re: Topband: K9AY Switching box

[Gary, N7IR]

Two possibilities come to mind immediately: 1) connector problem on control
box 2) relay problem in the control box.  You didn't mention if the problem
tracked the control box preamp being on.  If it does then the preamp
transistor may have been damaged.  The schematic is available at
http://www.aytechnologies.com/TechData/FilterPreamp_160-80.pdf .
73
Gary, N7IR
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UR RST IS ... ... ..9 QSB QSB - hw? BK