[Elecraft] Noisy RF gain pot?

[Alan Ibbetson]

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.
>
> 73,
> Don W3FPR
>
> On 2/17/2015 12:44 PM, Alan Ibbetson wrote:
>> I have just (again) acquired a K2/100. It shows exactly the symptom
>> below as described in 2009
>>
>> ---
>> If I move (even very slightly) the rf gain control the audio silences
>> and the S
>> meter shows full deflection. After about three seconds or so the receiver
>> recovers and the s meter returns to normal.  This happens wherever teh
>> rf gain
>> control is positioned about it's axis.
>>
>> Any suggestions ?
>>
>> 73 de Vic GW4JUN
>> -----
>>
>> It was suggested the RF Gain pot might be noisy but the OP never
>> followed up. Is this most likely root cause? If so, can someone point
>> me towards a replacement 5K LIN pot that will fit, ideally sourced
>> from Newark (Farnell in the UK)?
>>
>> Thanks a lot,
>>
>> Alan G3XAQ
>
>

-- 

Alan Ibbetson
alan at g3xaq.net