[Yaesu] FT-1000MP anomaly

[Dave Maley]

John Mitchell wrote:

> I have an MP (98 manufacture) that I bought used.  It has an intermittent
> condition that has only happened twice in two months, but I fear it will
> strike again at an inopportune time, or fail completely.  Has anyone
> experienced the following and cured it?
>
> Problem:  MP will not go into transmit mode when keyed.  Nothing.  Mic
> switch, vox, mox, nothing will key it.  Tapping on the cabinet fairly
> strongly cured it last time; the first time it apparently fixed itself after
> a few minutes of fiddling around.   There doesn't seem to be any operating
> parameter associated, except that both times it occurred, the rig had been
> turned off for at least a week.
>
> I'm trying to find a simple fix before shipping it off, and also know that
> intermittents can be nearly impossible to troubleshoot until they fail
> totally.  Any advice appreciated.  Please reply direct to my email.
>
> 73,
> John K4IQ
> jbmitch@vt.edu
>
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John;
I had a similar problem on a FT-900.  Calling Yaesu tech suppory yealed the
suggestion to check grounding.
Seems that RF was getting to the CPU and crashing it.  Not what I call a sound
cure for you, but a good
starting point.
Dave....



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