Yes, you would be correct. The primary problem with most of the errors is an operator problem.
It helps when testing the headphones … to actually plug them into the headphone jack … and not the keyer jack … Ahem … stand down … this was a case of operator error … ;-/ gene WG7GW Back to lurking … On Jun 23, 2014, at 8:08 PM, Eric Ross <[email protected]> wrote: > It sounds like you might have a short that occurs when the headphones are > plugged in. I would check the normally open circuit that goes to the > headphones. My guess is that one side is shorted to ground or another power > supply rail. I have never built a K1, so I am just basing this on standard > troubleshooting technique. > > Eric > WB7SDE > > > On Jun 23, 2014, at 19:03 , Eugene Worth <[email protected]> wrote: > > I’m building a K1 for a fellow ham whose hands won’t allow the fine soldering > work that this kit demands. This is the second K1 that I have built. > > All of the test points before alignment and test, part 1 have been nominal. I > have successfully completed the tests on the LED and LCD/Error Codes without > problem. > > When I plug in a pair of stereo headphones, the funny business begins … There > is no output from the headphones. I rotate the AF GAIN without change. And, > the LCD display immediately goes blank when I plug in the headphones. > > That said, I can remove the headphones and see the display fine. I can tap > the MENU, set and edit the STL and STP without a problem. But, plug in > headphones and the K1 goes blank. > > I have been reading this list long enough to know that 99% of problems during > a build have to do with cold solder joints. I believe I’ve looked at the > solder joints. I reflowed the 3 joints at the headphone jack. > > Any ideas about how to troubleshoot this problem? I’m missing something in > this process. I will go back and make sure that I haven’t left any parts out, > but I don’t think this is the case. > > Thanks in advance. > > gene > WG7GW > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
