I already did what they said they would do: open it up and look for any parts that had come loose and resolder them. They don't build it and can't do much in the way of troubleshooting. It's also out of warranty.l
Wayne On Thu, Aug 22, 2019 at 5:01 PM Gary K9GS <[email protected]> wrote: > I have one of these and I'd be interested in what you find out. Did you > transmit into it by mistake?I'm pretty sure MFJ doesn't manufacture these > but I would contact their customer service and see what they say.73,Gary > K9GS > -------- Original message --------From: Wayne Burdick <[email protected]> > Date: 8/22/19 6:11 PM (GMT-06:00) To: Elecraft Reflector < > [email protected]> Subject: [Elecraft] OT: Looking for schematic > and troubleshooting info on > MFJ-223 VNA My MFJ-223 VNA took a dive (cause unknown). The SWR > readings are very high regardless of load. Has anyone found a schematic for > this thing? The manual also mentions an MCU reset switch, but I'm guessing > that's outdated. No such > switch.tnxWayneN6KR______________________________________________________________Elecraft > mailing listHome: http://mailman.qth.net/mailman/listinfo/elecraftHelp: > http://mailman.qth.net/mmfaq.htmPost: mailto:[email protected] > list hosted by: http://www.qsl.netPlease help support this email list: > http://www.qsl.net/donate.htmlMessage 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] ______________________________________________________________ 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]
