[Elecraft] Re: a K2 thought

[Jack Brindle]

How can an unsoldered connection even remotely be considered a problem  
with a plated-through hole? There are no reports of problems with  
plated-through holes in Elecraft boards. This is definitely not one,  
either.

Please re-read W4BQPs comments again.

On Mar 22, 2005, at 8:36 AM, VR2BrettGraham wrote:

> W4BQP reported:
>
>> I've had my K2 for several years now (#2268).  Recently, my audio pot
>> developed the noisy condition so I decided to do the noisy pot mod.
>> During the mod I discovered an unsoldered connection.  Apparently  
>> there
>> was enough contact with the plated-through hole to make the  
>> connection.
>> And I used the component by component method of soldering. So even  
>> with
>> the most careful of construction techniques you can occasionaly mess  
>> up.
>
> Plated through holes connect traces on one side of the printed
> circuit board to those on the other side.
>
> As my K2 is of about the same vintage as yours, such reports of flaky
> plated through holes is of great concern, as the very same issue has
> been a problem with other equipment manufacturers.
>
> Problems with plated through holes is a serious PCB QC issue & is
> one no decent PCB vendor should let slip through.  I doubt Elecraft
> does its own QC on incoming PCBs (other than visual).
>
> Would you be so kind as to elaborate on the dickie plated-through
> holes that you found?
>
> Based on your report, I am concerned my K2 is a time bomb waiting
> to happen.
>
> Thank you.
>
> 73, VR2BrettGraham
>
> _______________________________________________
> Elecraft mailing list
> Post to: Elecraft at mailman.qth.net
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>
>
- Jack Brindle, W6FB
------------------------------------------------------------------------ 
---------------------