I have found a pic of the dry joint, this one was just a dry joint with resin insulating the connection, the other never had any solder applied. cheers, Neville Michie
On 17/11/2012, at 11:09 AM, Chris Howard wrote: > > Maybe that is my problem. I definitely have a problem. > > I am able to get the EFC to work on some occasions. > Usually it will work if I run the trimmer all the way > out and toggle the power. I can then adjust the trimmer > and get things working. But if I give the box a rap > the frequency jumps and I get into the "mode" of > the EFC not working. I can trimmer it up and it will > look fine but no EFC. > > I will check out that ferule thing. I'm not sure what you > are describing but will look for it. > > Chris > > > > On 11/16/2012 5:53 PM, Neville Michie wrote: >> I have had two 10811 with EFC problems that turned out to be lack of >> soldering of one internal joint. >> This is a large PTFE ferule with several leads including the varactor and >> trimmer going into it. For many >> years the leads all contacted but finally one lead developed an oxide film. >> A soldering iron fixed them very quickly. >> The serial numbers were widely separated, so it was not an unlucky batch >> problem. >> cheers, >> Neville Michie > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
