[Elecraft] K2 Aux Bus - DC Bias at 9pin Connector ?

[Curt Milton]

I am still troubleshooting my KAT100, and now I am
wondering if the problem might be the aux bus.  

When the 9-pin connector is attached to the K2, and
the KAT100 is disconnected - should there be 5-6 volts
DC on pin 6 ?  I see voltages on pin 8 and 9, but
nothing on pin 6.  (And yes i verified the cable is ok
on pin 6).  

I had previously checked the DC path from pin 6 back
to the IOC in the K2 - but I hadn't probed this any
further.  

I suspect there are no other users of the Aux Bus
except an ATU (my K2 has only ssb, 160m and kpa100
installed).  

Info appreciated.  


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