Well I spoke too soon. I replaced that capacitor and now I have 0 volts on every band. Any thoughts?
thanx, harry On Saturday, October 26, 2013, Harry Stone wrote: > Don, > I know this isn't exactly your first rodeo, but that's still pretty > impressive. I have the wrong component installed at C73, I have a 4 > <point> 7 pF instead of a 47 pF. > > Bravo! > > thanx, > harry > > > > On Saturday, October 26, 2013, Don Wilhelm wrote: > >> Harry, >> >> The thing in the VFO Range Select area that is common between 40, 30 and >> 15 meters is C73, >> Check its value - it should be 47 pF (marked 470). >> >> A low voltage at R30 indicates that there is not sufficient capacity in >> the tuned circuit and the PLL/VCO is trying to increase the value of the >> total capacity. That means if C73 is the correct value, check its >> soldering and the soldering of relay K13 pin 8. >> >> CAL PLL depends on having the 40 meter frequency range correct, so you >> will not be able to do that procedure until you have the R30 voltage in >> range on 40 meters (info 232 means the frequency read by the MCU is not >> correct (yes there are other possible causes of info 232). The alignment >> steps are sequential, so if one does not give correct results, you cannot >> skip to the next one without encountering problems. >> >> 73, >> Don W3FPR >> >> >> On 10/26/2013 6:13 PM, Harry Stone wrote: >> >>> My VCO control voltage is zero on 40,30, and 15 meters. All other bands >>> are within the normal range, all tests prior to these measurements >>> passed. >>> When I try to run CAL PLL, I get info 232 even though I am on 40 >>> meters. >>> >>> What should I check first? >>> >>> >>> >> > > -- > Have old memories and young hopes. > -- Have old memories and young hopes. ______________________________________________________________ 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
