[Elecraft] K2 LCD Screen Issue

[Mark Yergin]

Thanks Don and Joel, who both suggested bad solder joints.  I touched up
all the LCD and U1 solder joints on the Front Panel and the problem was
resolved!

Mark
W8EWH

On Sun, Feb 7, 2021 at 1:49 PM Don Wilhelm <donwilh at embarqmail.com> wrote:

> Mark,
>
> I think you will find that the socket pins of Front Panel U1 are not
> well soldered.
>
> 73,
> Don W3FPR
>
> On 2/7/2021 1:18 PM, Mark Yergin wrote:
> > My K2 (S/N 7867) which I built has always had an intermittent problem
> with
> > the bottom horizontal row of LCD elements.  Often they are missing until
> I
> > slap the top of the radio.  Then they will come back on for a while.  I'd
> > like a more permanent solution.  Looking for some ideas as to where to
> > focus my investigation.  Do I have a short between the front panel and
> > control board?  A loose connection somewhere?  Was thinking maybe this
> has
> > been seen before and someone else's solution could help point me in the
> > right direction.  I'd like to try to fix it myself before I send it out
> for
> > repair.  Thanks.
>