[Elecraft] Faint clicking sound in headphones

[Tom]

Hi Mike,
I know that the same thing can happen on older KX3's when they are connected 
to a serial port running rig control softwarte.  On the KX3, Elecraft can 
supply a small bypass cap to rectify the problem.  I'm, not sure if that's 
the issue here but try the same and make sure the serial port cable is not 
connected to the K3.

If it is the issue, call up Elecraft.  They will probably suggest the same 
thing as on the KX3.
73 Tom
va2fsq.com


-----Original Message----- 
From: Mike Weir
Sent: Monday, January 25, 2016 10:44 AM
To: elecraft at mailman.qth.net
Subject: [Elecraft] Faint clicking sound in headphones

Just today I notice a  faint clicking noise when using my headphones and 
only when the AF is turned up not when all the way down, here is my 
setup.....Elecraft k3, Begali key into a Winkeyer USB and the menu key 
weight setting in the K3 is 1.10
Here is what I have tried to fix the issue with no success:
1. Tried different headphones.
2. Snap on chokes on headphone cord.
3. Removed Winkeyer and plugged key into rear of K3.
4. Tried a different key plugged it into Winkeyer and just to rear of K3.
5. Tried on Dummy load and clicking is gone.
6. Check all connections to make sure they are tight.
7. Tried my KX3 using same key and antenna and no clicks.
8. The clicking is happening on all bands.
I believe that is all I tried and I am at a loss as to what it could be, I'm 
hopping it's something simple that I have overlooked.
Thanks in advance for your help
Mike
VE3WDM






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