[Elecraft] Older K3/100s can be updated to avoid possible "ERR12V" problem

[Wayne Burdick]

Both the production change and the field modification result in gold- 
to-gold contacts throughout the 12 V circuit to the PA.

Wayne
N6KR

On Feb 14, 2012, at 9:12 AM, Stewart wrote:

> I had a look inside my K3 today. Although it is an early one, S/N 307
> it has a new RF board with gold pins.However, these mate with the  
> KPA103
> Interface Module which has sockets that are tinned.
>
> I thought that there was a danger that over a period of time the tin  
> would
> migrate onto the gold surface and cause oxide issues.
>
> Shouldn't it be gold to gold, and tin to tin ?