[Elecraft] K3 Subreceiver ANT selection doesn't work - always uses the AUX antenna

[Frank R. Oppedijk]

Thanks to all people who responded on and off-list to my questions. 
I've looked at the K3 schematics and have come to the conclusion that 
the problem most probably is that the digital signal driving the 
subreceiver's MAIN/AUX relay isn't arriving at the subreceiver. I'm 
going to check the subin ans subout boards to see whether all pins 
are connected okay.

Merry christmas to everybody!

73,

Frank PA4N


At 01:15 25/12/2008, Barry N1EU wrote:



>Frank R. Oppedijk wrote:
> >
> > Is the mechanical click when switching between MAIN and AUX also if
> > you have the CONFIG KRX3 set to ANT=BNC, or only when using ANT=ATU ?
> >
> > According to Willis 'Cookie' Cooke, K5EWJ, the switching is in the
> > KAT3 only, and the KAT3 is of course out of the circuit when using
> > the BNC connector as the subreceiver's aux antenna input...
> >
>If you study the document at
>http://www.elecraft.com/K3/K3_Antenna_Routing.pdf  you'll clearly see that
>the switching of K1 (Main/Aux) has nothing to do with KAT3.  KAT3 only
>switches between Ant1/Ant2, which doesn't concern you.
>
>73, Barry N1EU
>
>--
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>
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---
drs. ing. F.R. Oppedijk
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