Not having the schematics in front of me and not being familiar with the unit...PCB traces don't usually burn on their own. Did Q4 check as good? Might be worth some desoldering to put an ohmmeter on it.
73 de N5ILN Sent from my iPhone On Jul 21, 2012, at 7:40 PM, aj4tf <aj...@arrl.net> wrote: > Interesting, I am working on a KPA100 problem right now. The original > problem was reduced output on 15m, but when I disassembled the KPA100, I > found a burned trace on the circuit board in the bias current circuit > feeding Q4.. which seems unlikely to have caused a problem only on 15m. I > plan to put it back together tomorrow and test it. > > > > -- > View this message in context: > http://elecraft.365791.n2.nabble.com/K2-diminishing-power-on-15-to-10-meters-tp7559611p7559616.html > Sent from the Elecraft mailing list archive at Nabble.com. > ______________________________________________________________ > 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
