[Elecraft] K1 - Front Panel - Nothing on LCD

[Augie Hansen]

Hi Don,

Given the way you phrased the questions, I believe that a "no" answer to 
one or more would indicate a soldering problem. Wouldn't "yes" to all 
indicate successful soldering?
> ...
> The very most likely problem is that you have a soldering joint failure.
> Look very critically at your solder connections.  Is there just a 
> slight bit more solder applied than that required to fill the 
> thru-plated hole?  Do all the solder joints have a smooth concave 
> slope on the sides?  Do the edges of the solder joint taper out to an 
> almost invisible edge on both the solder pad and the component lead?
>
> If the answer to any of the above questions is yes,  then your 
> soldering is certainly suspect.  You must apply enough heat to cause 
> the solder to flow out onto the solder pad and down into the 
> thru-plated hole.  Any solder connections that have a blob of solder 
> on them are not well soldered connections.  An excess of solder can 
> hide a poorly soldered joint, and in fact is the usual appearance of a 
> bad solder joint.

Gus Hansen
KB0YH