[Elecraft] K3 Suddenly died

mikerodgerske5gbc at yahoo.com mikerodgerske5gbc at yahoo.com
Sun Oct 6 13:28:24 EDT 2013


Not to pick on anyone but do I remember wrong?

I've never seen Elecraft recommend running a K3/10 at 12w or a K3/100 at 120. 

Maybe I missed it?

I don't this caused the problem but I see this 12/120 pretty frequently. 

73
Mike R



m: Lewis Phelps <lew at n6lew.us>
To: "elecraft at mailman.qth.net List" <elecraft at mailman.qth.net>
Subject: [Elecraft] K3 suddenly died
Message-ID: <718A33D4-D57F-4FE3-A1C3-46B41775C620 at n6lew.us>
Content-Type: text/plain;    charset=us-ascii

I'm looking for troubleshooting ideas.  

My K3-10 suddenly died while in use.  Here's what happened:

I was listening and transmitting on 15 meters. Heard a station in Kansas 5-9 calling into the California QSO Party. I couldn't reach him despite a strong signal from him. SWR 1.1:0 outputting 12 watts. 

Beginning to think I was having some kind of problem, I decided to power off the K3 and turn it back on to reset it. When I hit the power switch, the rig shut off with a fairly loud "pop" from the speakers. 

Then it wouldn't turn back on at all. 

Power supply is fine; 13.98 volts from 50 amp Astron linear supply. Power cable is fine; full voltage at rig end of power cord. 

Disconnected all peripherals (speakers, straight key, transverter control cable and RF coax cables to xv432, and mic (Kenwood MC-90 into front panel). Still no joy.

Any suggestions, other than packing it to send to the Mother Ship?

Lew N6LEW



Lew Phelps N6LEW
Pasadena, CA DM04wd
Elecraft K3-10 
Yaesu FT-7800 
Lew at N6LEW.US
www.ntlew.us





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