[Elecraft] OT: Looking for schematic and troubleshooting info on MFJ-223 VNA

[Wayne Burdick]

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 <garyk9gs at wi.rr.com> 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 <n6kr at elecraft.com>
> Date: 8/22/19  6:11 PM  (GMT-06:00) To: Elecraft Reflector <
> elecraft at mailman.qth.net> 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 that's outdated.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
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