I had a similar problem on my K3. Mine turned out to be plugging the ref lock TMP cable into the wrong place on the new synth board. It started working when I followed the cabling diagram on the installation instructions for the new synth board. <http://www.elecraft.com/manual/E740257%20KSYN3A%20Installation%20Rev%20A5.pdf> page 15 and 16.

73 Bill AE6JV

On 11/28/15 at 8:36 AM, [email protected] (Richard Thorpe) wrote:

I have a K3 with the 2 meter board it has the K144VX ref lock board and the radio has the K3EXREF installed also installed are the KSYN3A boards. With all these boards working the 2meter frequency is of by 5 kc. The only way I can bring it back on frequency is by manually adjusting the frequency. Any ideas as to what is causing this anomaly? Thank you.

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Bill Frantz        |The nice thing about standards| Periwinkle
(408)356-8506 |is there are so many to choose| 16345 Englewood Ave www.pwpconsult.com |from. - Andrew Tanenbaum | Los Gatos, CA 95032

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