There is/was a flowchart for this type of troubleshooting. It used coarse language, but followed this same type of logic.
73, matt W6NIA On Tue, 07 May 2013 12:17:05 -0700, you wrote: >That observation extends to a variety of "things that should work but >don't," not just electronics. Over the years, I've noted several >troubleshooting rules in my engineering notebooks. Some examples: > >1. Unless there was a fire, and sometimes even then, it usually is >*not* the worst possible problem although that seems to be a common >assumption at first. "Nuts! I must have blown the PA's," when the fuse >to the PA power supply just quit [they actually do that]. > >2. If it worked fine for a long time, and no one changed any of the >code, it is very unlikely to be a programming bug so don't start >tweaking and recompiling. > >3. If it worked fine for a long time and "no one changed anything," the >odds are very very high it's pilot error. If your K3 receiver seems >dead on one band, check the ANT 1/2 switch setting on that band first. >The radio remembers it by band, you may not. > >4. If someone gave me a buck for every time I spent days or weeks and >exhausted every source trying to debug a function, only to ultimately >discover that the code actually doesn't call that function anymore, I'd >have retired much earlier. > >5. Is it plugged in? > >73, > >Fred K6DGW >- Northern California Contest Club >- CU in the 2013 Cal QSO Party 5-6 Oct 2013 >- www.cqp.org > >On 5/7/2013 3:32 AM, Edward R Cole wrote: >> AS I read "Re: [Elecraft] KAT100 project - removing the control board", >> Stan related his troubleshooting adventure and found that his >> assumptions led him astray. That is one of the cardinal issues with >> troubleshooting - do not assume. As soon as you assume soemthing is OK >> that will be what you eventually will find wrong. > > >______________________________________________________________ >Elecraft mailing list >Home: http://mailman.qth.net/mailman/listinfo/elecraft >Help: http://mailman.qth.net/mmfaq.htm >Post: mailto:Elecraft@mailman.qth.net > >This list hosted by: http://www.qsl.net >Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
