[Elecraft] new K2 rx audio problem figured out

Kevin Hulina w9kh at att.net
Sat May 9 10:43:28 EDT 2015


I finally figured out why i wasn't getting rx audio on my newly built 
K2.  I would take it apart, and it would work when I was troubleshooting 
it.  Put it back together and I had no rx audio. So, I started putting 
it together 1 screw at a time and found the point where I lost rx 
audio.  U6 on the control board was coming into contact with the board 
for the vfo encoder.  When i would take the screws out of the control 
board, it would let it away from the front board enough for it to work.  
I cut down a couple standoffs to be about 1/16" longer than the stock 
ones with the kit and it holds the control board off just enough to no 
longer cause a problem.
I sent this to Elecraft support as well.  Maybe something very minor 
changed with one of the components nearby that is causing one of the 
boards to sit ever so slightly different.
Now I can get back to trying to tune it up!

W9KH
Kevin



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