Paul, I would suggest an email to [email protected]. Gary or Dale can likely give you more information on the most likely cause of this behavior than anyone else. Unfortunately, it is a weekend right now, and I know that both do not work on Saturday or Sunday, so wait until Tuesday to get a response - they have to wade through a lot of email that builds up over a weekend.
73, Don W3FPR 73, Don W3FPR Paul Ferguson wrote: > Seven of my front panel buttons do not function on K3 #757. I also used the > Switch Test to see that they give no scan codes. All other buttons work OK. > > Looking at the the schematic for the "Front Panel - Switches" I see these > seven > buttons are all connected to the SCANADC0 line into U3. I took off the front > panel and put an ohmmeter from ground to the SCANADC0 line, and it gives a > few > ohms. The other lines (SCANADC1-7) show as open. > > I looks like either U3, C30, or R27 is bad. Does anyone see any other > possibilities? > > I don't relish replacing U3 since it is a 16-pin IC. Maybe some Chip-Quik or > tiny cutters to snip the leads would ease the job. > > 73, > Paul > K5ESW > ______________________________________________________________ > 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 > > ______________________________________________________________ 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
