The main IC for the KIO3 board is the RS-232 Level Converter, U1. Part most likely to fail due to ESD / Static / External events.
Texas Instruments SN75C1405 (U1), 16-pin Surface Mount. ... a version of the MAX232 with ESD may cross reference. Board photos http://www.elecraft.com/K3/mods/AF_Output_Mod_Rev_C.pdf Sent from iPad Air ______________________________________________________________ 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 Message delivered to [email protected]

