Nidge, Yes, from that I would surmise that U3 pin 14 is damaged - however, check the ENC A and ENC B lines for continuity to the microprocessor just to be sure there is nothing wrong there.
73, Don W3FPR Nigel (Nidge) Smith wrote: > Hi Don, > > Many thanks for the quick reply. > > So far the readings I get on U3 are as > follows: > > Pin 14 = 0.1V and 0.133V when the encoder is > rotated. > Pin 15 = 4.12, which varies when the encoder is > rotated. > Pin 7 = 3.4V with slight variation when the > encoder is rotated. > > So from the above would you say it's safe to > assume that U3 has a damaged output on > pin 14? > > Again thanks very much for taking the time > to reply. > > Regards > > Nidge (G0NIG) > > ______________________________________________________________ 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
