[Elecraft] K2/100: Power Control Defective

[Vic Rosenthal K2VCO]

Make sure to check diodes D16 and D17 -- they can be damaged by static 
discharges and cause this. There is no firmware power calibration.

On 5/18/2014 4:40 AM, Richard wrote:
> A fellow ham is having the following problem withhis K2:
>
> A year ago, we installed the KPA100 which worked fine until recently.
>
> Suddenly, the TX Power Control failed and the K2 will deliver either
> 9-15 W or - with the 100W PA switched on - up to 150 W into a dummy load.
>
> I suspect there is an issue with the TX-ALC, but no defective diode was
> found.
>
> I personally don't own a K2 but is there a TX gain calibration procedure
> similar to the K3?
>
> Suggestions welcome - thanks in advance.
>
> 73
>
> Richard - HB9ANM


-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/