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

[Wayne Burdick]

I'm pretty sure, but check with k3support when you order the mod kit.

73,
Wayne
N6KR

On Feb 14, 2012, at 9:35 AM, Stewart wrote:

> Thanks Wayne,
> Does the field modification also include changing pins on the KPA3
> PCB, as mine are tin plated ?
>
> 73
> Stewart G3RXQ
> On Tue, 14 Feb 2012 09:21:31 -0800, Wayne Burdick wrote:
>> 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 ?