[Elecraft] K2 Front Panel Issue

KW4H kw4h at arrl.net
Thu Dec 22 09:21:10 EST 2011


Sounds like a great idea, thanks.  I'll give that a try.

If nothing else works, I'm going to have to start doing things the old
fashioned way (scopes and probes), with the final solution of getting
Elecraft on the phone.  Looking for the easier solutions first....!

73, Steve.

On Thu, Dec 22, 2011 at 7:10 AM, Geoffrey Mackenzie-Kennedy <lx2ao at pt.lu>wrote:

> Steve,
>
> Maybe a long shot, but try removing U6 (Control Board) from its socket and
> plugging it back in again - with power off of course while you do this :-)
>
> My K2 "froze" in similar fashion about 2 years after I had built it, and
> the cause was poor contact between one or more of U6's pins and the IC's
> socket due probably to "corrosion". The type of socket used does not
> provide a "gas tight" connection, and pulling and reseating the IC should
> clean the socket. Even unused sockets of this type can sometimes cause
> "problems".
>
> 73,
>
> Geoff
> LX2AO  (aka GM4ESD)
>
>
>
> Steve KW4H wrote on December 22, 2011 at 4:24 AM:
>
>
>
> Yup, the firmware comes up -- I get the "elecraft" signal in the display
> and then the usual 40 meter freq.  After that, the display is frozen with
> the frequency display and the buttons do nada.
>
> My best guess is that it's probably something simple like a missed solder
> connection (it happens to all of us!), but so far I've not found anything,
> and all the boards passed their resistance checks.
>
> Steve, KW4H
>
>
>
>


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