K2 Problem

[Gary Swain]

Can anyone advise?

My K2 has suddenly developed a problem in that the display is missing 2
"lights". It's the same 2 all the time, namely, when on 80mtrs its the 2
that form the spine of the number 3 or the upright on the number 7 when on
40mtrs etc. Any ideas? I do hope I don't have to change the whole
screen!!!!!

Gary, 2E0BFJ

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[Vic Rosenthal]

The first thing I would do is take out the front panel board and examine the connections
to the display under a magnifying glass. Reheat and add solder to any that look in the
slightest bit suspicious.

On 12/15/2011 2:33 AM, Gary Swain wrote:

> Can anyone advise?
>
> My K2 has suddenly developed a problem in that the display is missing 2
> "lights". It's the same 2 all the time, namely, when on 80mtrs its the 2
> that form the spine of the number 3 or the upright on the number 7 when on
> 40mtrs etc. Any ideas? I do hope I don't have to change the whole
> screen!!!!!
>
> Gary, 2E0BFJ
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html

--
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/
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[Don Wilhelm-4]

Gary,

I would first re-solder the leads of the LCD display.  That kind of
problem (lack of one or two specific segments) is a problem between the
driver output and the LCD - a very short path.

If re-soldering the LCD does not cure it, the next step is to replace
the driver IC and lastly, replace the LCD itself.

73,
Don W3FPR

On 12/15/2011 5:33 AM, Gary Swain wrote:

> Can anyone advise?
>
> My K2 has suddenly developed a problem in that the display is missing 2
> "lights". It's the same 2 all the time, namely, when on 80mtrs its the 2
> that form the spine of the number 3 or the upright on the number 7 when on
> 40mtrs etc. Any ideas? I do hope I don't have to change the whole
> screen!!!!!
>
> Gary, 2E0BFJ
>

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
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Please help support this email list: http://www.qsl.net/donate.html