[Elecraft] Noisy RF gain pot?

[Alan Ibbetson]

OK, thanks everyone. I'll order a replacement pot. 73, Alan G3XAQ

On 17/02/2015 19:32, Stephen Prior wrote:
> Alan,
>
> Don is right.  I thought I had done the right thing some years ago,
> ordering what I thought was the same pot from a UK supplier.  I still
> have it in my drawer of bits somewhere - it didn't fit.  I then ordered
> from Elecraft, not stupidly expensive although the shipping always bites
> it seems to me, and all was well.  (Wish I'd never sold the K2 but I had
> to at the time to part fund the K3, which I still have :-)
>
> 73 Stephen G4SJP
>
> On 17 February 2015 at 19:25, Don Wilhelm <w3fpr at embarqmail.com
> <mailto:w3fpr at embarqmail.com>> wrote:
>
>     Alan,
>
>     With that serial number, there could be a lot of wear on the pot if
>     the prior operator used the RF Gain a lot.
>     It is one of the standard size pot 5K linear, but there are pots
>     with different form factors.  I would suggest you get the proper one
>     from Elecraft PN E520004 to be certain it fits.
>
>     73,
>     Don W3FPR
>
>     On 2/17/2015 1:15 PM, Alan Ibbetson wrote:
>
>         Thanks Don. It's an early K2, serial number 997. Is there
>         anything unusual about the pot or is it just a standard sized
>         miniature 5K linear?
>
>         73, Alan G3XAQ
>
>         On 17/02/2015 18:02, Don Wilhelm wrote:
>
>             Alan,
>
>             If the RF gain pot is worn it will behave that way.
>             If this is a fairly new K2  I would say SN above 4000, the
>             pot should
>             not be worn out yet unless the operator used it excessively
>             - so in that
>             case, look for an unsoldered connection between the RF gain
>             control and
>             the path to the K2 Control Board.
>
>
>     __________________________________________________________________
>     Elecraft mailing list
>     Home: http://mailman.qth.net/__mailman/listinfo/elecraft
>     <http://mailman.qth.net/mailman/listinfo/elecraft>
>     Help: http://mailman.qth.net/mmfaq.__htm
>     <http://mailman.qth.net/mmfaq.htm>
>     Post: mailto:Elecraft at mailman.qth.__net
>     <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
>     Message delivered to eastbrantwood at gmail.com
>     <mailto:eastbrantwood at gmail.com>
>
>

-- 

Alan Ibbetson
alan at g3xaq.net