[Elecraft] K2 intermittent problem

[Don Wilhelm]

Igor,

An intermittent problem of that nature is usually associated with a bad 
solder connection.
Reflow the soldering (adding a little bit of flux from new solder) with 
a hot (400 degC) iron.

73,
Don W3FPR

On 4/8/2012 4:28 AM, Igor Sokolov wrote:
> Just discovered that knocking RF board in the region of the K14 and K15
> relays makes the problem to appear or disappear. The offset does not depend
> on the CW pitch  setting and is close to 1 khz.
>
> __________________________________________________________
> My K2 developed a problem. In CW mode TX frequency is off the RX frequency
> by about 1 kHz. The problem is intermittent. Sometimes it manifests itself,
> sometimes it does not.
> Can anybody give me a hint where to look? I was about to see if changing CW
> pitch changes the offset but so far cannot make the problem to appear again.
> So far there were no evidence that the problem is temperature dependant.
>
> 73, Igor UA9CDC
>
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