K2 Display problem during CALFIL

[JONES, George]

I am a bit reluctant to post this in case it is a well worn topic - but I have searched the archive & scratched my head awhile,  so here goes :

My K2 (Rev B)  CALFIL/display worked OK when last run a while ago.
This time, after pressing BAND "minus"  and seeing the expected DAC code, pressing display
showed all zeroes rather than the BFO frequency. I then pressed BAND "plus" just to see what happened,  and the display very briefly showed (probably) the BFO frequency before settling
on all zeroes. The effect was too fast to read.
This sequence is repeatable, including following  power offs &  ons. I have not tried a system reset - that has to be the last resort !

In all other respects the rig is fine...

73

George G4TPV



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[Don Wilhelm-4]

  George,

Intermittent operation like that would suggest something is loose.  The
most likely place is at the housing for the counter probe.  Many
builders have trouble inserting the crimp pins into the housing and end
up distorting the pins so the good contact becomes quite "iffy".

73,
Don W3FPR

On 1/14/2011 3:11 AM, JONES, George wrote:
> I am a bit reluctant to post this in case it is a well worn topic - but I have searched the archive&  scratched my head awhile,  so here goes :
>
> My K2 (Rev B)  CALFIL/display worked OK when last run a while ago.
> This time, after pressing BAND "minus"  and seeing the expected DAC code, pressing display
> showed all zeroes rather than the BFO frequency. I then pressed BAND "plus" just to see what happened,  and the display very briefly showed (probably) the BFO frequency before settling
> on all zeroes. The effect was too fast to read.
> This sequence is repeatable, including following  power offs&   ons. I have not tried a system reset - that has to be the last resort !
>
>
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