[Elecraft] Thanks to Elecraft support

[briancom]

Sent from my iPad

> On Jan 11, 2017, at 6:17 PM, Carl Yaffey1 <cyaffey at gmail.com> wrote:
> 
> I posted a while back about not being able to drive my KPA500 to full power on 6M. Trying to drive it beyond 200 watts resulted in a HI SWR fault. I initially  blamed it on the antenna, cables, connectors, etc. etc. It worked fine on a dummy load.
> But changing antennas and cables and so on resulted in the same problem. Next, I hooked up my ICOM 706MKIIG. No problem!
> Aha! something’s wrong with the K3S. But it worked on the dummy load. 
> Scratched my head a while and finally decided the K3S was putting out a spurious signal of some kind. No problem with a dummy load because it didn’t care what frequencies it was seeing.
> 
> There was an additional problem: No transmit with mode set to USB or LSB. Change mode to CW, tap the key, switch back to USB, output fine.
> 
> So I sent the K3S off to Elecraft. Yep! Spurious signals being generated. They replaced Q7 and 8 on the KPA3A, set bias, and did tx again calibration. 
> They also replaced the KLPA3A board.
> 
> Just got it back today and all is well. 
> 
> Great service!
> 
> 73  (NOT 73s),
> K8NU
> 
> 
> Carl Yaffey  K8NU
> Recording studio.
> cyaffeyNO_SPAM at gmail.com 
> 614 268 6353, Columbus OH
> http://www.carl-yaffey.com
> http://www.grassahol.com
> http://www.bluesswing.com
> 
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