[Elecraft] K2 LCD Issue
Luc Favre
luc-favre at orange.fr
Tue Feb 25 05:49:30 EST 2014
I had the same issue and resoldering the LCD did the job.
73
Luc/F6HJO
Le 25/02/2014 01:02, Don Wilhelm a écrit :
> Don,
>
> That normally is the symptom of a solder connection that did not
> receive adequate heat during soldering. After a time, enough
> oxidation has developed to cause a problem.
>
> If you are fortunate, that bad solder connection will be at the LCD.
> Re-flow the solder for the LCD leads (I suggest soldering from the
> side the LCD is mounted on), and see if that cures the problem. If it
> does not, then the problem is with the soldering of Front Panel U1.
> Tell me which segment is not working and I can tell you which U1 pin
> that needs to be soldered better. Since the pins of FP U1 are covered
> by the LCD, the technique for resoldering is to carve away a bit of
> the plastic from the U1 socket and soldering the pin from the socket
> side of the board.
>
> 73,
> Don W3FPR
>
> On 2/24/2014 6:46 PM, donh wrote:
>> Been happily on the air with my K2, but I noticed a few day ago that
>> one of
>> the segment of the LCD numeric display has stopped working. Not a
>> bit deal
>> since it's the last digit (.x0) in the frequency display.
>>
>> But, I'm about to go into the radio and finally install the SSB
>> module that
>> I've had for a while and I thought while I was in there I would work
>> on the
>> LCD.
>>
>> Only problem is that I have not idea on how to trouble shoot this
>> problem.
>>
>>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
More information about the Elecraft
mailing list