[Elecraft] K2 - Stumble at the last hurdle.

[Dave Van Wallaghen]

Marc,

Please check the placement of those trimmer caps. If you follow the old 
parts list, it is easy to swap C21 and C23 with C44 and C46. If this is 
a recent kit, C44 and C46 should be red. While the others will be brown.

I just serviced one here that had the same issue and those trimmer caps 
were swapped.

73,
Dave, W8FGU


On 11/11/2021 5:30:18 AM, "M Bak" <mark.adrian.baker at gmail.com> wrote:

>This is my 2nd K2 build this year. This fantastic kit has kept me sane.   I
>tested every component on an LCR meter (found RFC10 open) and tried to work
>as slowly as possible.
>
>I got to the end of the build to the very last alignment step.--
>
>The adjustment of C44 and C46 for the 12 meter band and I can only get
>0.2W. 10 meters is fine with adjusting L12 and L13 but 12 meters (which I
>do not use but it should work) is nada.
>
>I had the exact same problem on 20meters but careful tweaking of C21/23 and
>L8/9 and it burst into life.
>
>When testing the capacitors I noticed they had quite a wide tolerance
>range. Could the band pass range for the 10 and 12 meter bands be too high?
>
>Any ideas would be appreciated. I am quite good at wondering down rabbit
>holes.
>
>Rgds. Mark G4RUR
>
>
>Das Beste Oder Nichts
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