[Elecraft] K3 No Receive, No Transmit - SOLVED

[George K5KG]

When I built my K3, my thumb was bleeding after inserting the TMP 
connectors.  They are nasty little things!

73, George, K5KG.

On 10/20/2015 9:35 AM, Alan Sewell N5NA wrote:
> You were right Guy.  My rig ran fine all day yesterday and then last 
> night I had the same problem.  Opened it up and used some needle-nose 
> pliers on the TMP connectors to twist and push.  I was able to insert 
> a couple a little further and found one was only about half inserted.  
> Maybe I have it this time!
>
> 73, Alan N5NA
>
> On 10/19/2015 3:05 PM, Guy Olinger K2AV wrote:
>> The outer shell of the TMP plug can be connected without being fully 
>> inserted into the TMP connector. This can result in an intermittent 
>> on the center conductor that comes and goes with temperature change, 
>> or breathing hard, or changes in phases of the moon. The little 
>> flanges on the TMP plug should be nearly up to the TMP connector 
>> shell when fully inserted.
>>
>> In my experience, myself and those around here who call for help, 
>> this is a common trouble.
>>
>> You could still be not fully inserted.
>>
>> 73, Guy K2AV
>>
>> On Mon, Oct 19, 2015 at 3:02 PM, Alan Sewell N5NA <acsewell at gmail.com 
>> <mailto:acsewell at gmail.com>> wrote:
>>
>>     I'm posting this for future reference in case someone else has
>>     this problem.
>>
>>     Yesterday while listening to my K3 it suddenly quit receiving any
>>     signals.  I also had no RF output.  There were no error messages.
>>
>>     I have two KSYN3A modules in my rig.  I did a search and found a
>>     post by W1ZK in September who had the same symptoms.  He posted he
>>     had a bad synthesizer.  When I checked the DISP SYN1 and SYN2 both
>>     showed OK so I didn't think I had a bad synthesizer.
>>
>>     Before calling Elecraft this afternoon I removed the top to see if
>>     I might have a loose TMP cable on one of the synthesizers. None
>>     were loose but I did give a twist to the ones I could easily
>>     reach.  When I hooked the K3 back up it was working again.     
>> Apparently there was a bit of tarnish/corrosion on one of the
>>     connectors and I twisted the right one.
>>
>>     Hopefully it will keep working!
>>
>>     73, Alan N5NA
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>
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-- 
George Wagner, K5KG
Sarasota, FL
941-400-1960