I wonder if there is anything that can be done (on the board, for example, or in an outboard box) to decrease the vulnerability of U1 (written as I await my replacement KIO3A board).
73, Pete N4ZR The World Contest Station Database, updated daily at www.conteststations.com The Reverse Beacon Network at http://reversebeacon.net, blog at reversebeacon.blogspot.com On 6/8/2010 12:47 PM, Dr. Werner Furlan wrote: > Dr. Werner Furlan schrieb am 7 Jun 2010 um 23:57: > > >> My K3 stopped sending data out of its serial port. I can set a frequency >> (using a terminal program) but get no response from the serial port. K3 >> Utility is of course not working because there is no reply to the ; >> command. My guess is a problem with U1 on the KIO3 board. >> > thanks to Gary Surrency from Elecraft Support, Van W1WCG and Phil WD8QWR > for their help in diagnosing the problem. It is a partially defective U1 > on the KIO3 board. I'll have to replace it. > > 73! de Werner OE9FWV > > ______________________________________________________________ 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

