Change them both. Even if the unit “worked” ok if you didn’t replace U1, you would be just waiting for a failure.
Sent from my iPhone > On Nov 4, 2020, at 10:11 AM, Don Zank via Elecraft <[email protected]> > wrote: > > HiMy KIO2 interface has stopped working. Voltage checks indicated that the > 5 volt regulator had 12 volts in and 12 volts out. This is the VCC feed for > the U1 processor. So I can replace the regulator but would the processor > have been damaged? Should I just change both for general practice? > ThanksDon Zank AA9WP > ______________________________________________________________ > 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] ______________________________________________________________ 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]

