I guess that the 10uF electric capacitor connected to LM7805 output is a possible cause.
73 de JH3SIF, Keith > 2021/04/09 7:35、Andy Durbin <a.dur...@msn.com>のメール: > > "I'm suspecting the KAT500 has a thermal problem. Does anyone recognize > these symptoms and know a probable cause?" > > I put it in the fridge for 30 minutes and now it powers up normally, connects > to KAT Utility and responds to utility commands. It's clear it's a thermal > problem but which component? > > Wish I still had a can of freezer spray. > > Andy, k3wyc > > > > ______________________________________________________________ > 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 > Message delivered to jh3...@sumaq.jp ______________________________________________________________ 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 Message delivered to arch...@mail-archive.com
