[1000mp] FT1000MP/V Power Out Problem

W4LDE at cfl.rr.com W4LDE at cfl.rr.com
Mon Aug 14 09:11:54 EDT 2006


Scott,

On old MP's it was a problem, I got the tech bulletin from the FT1000mp
WEB site, http://www.va3cr.net/  problem seemed specific to 15 meters,
go there and search, if you have an older FT1000mp I recommend it, its
easy, I didn't use the inductors recommended so it took some solder and
copper braid plus some copper tape, it was about proper grounding.  If
your having a problem I think that I still have the two (2) page bulletin.

Ron W4LDE

----- Original Message -----
From: Scott Manthe <n9aa at arrl.net>
Date: Monday, August 14, 2006 1:24 am
Subject: Re: [1000mp] FT1000MP/V Power Out Problem
To: All about Yaesu 1000mp <1000mp at mailman.qth.net>

> What upgrade?
> 
> Scott
> 
> W4LDE-Ron wrote:
> > Tony,
> >
> > Reason I asked is that with spurious emissions your watt meter 
> > (external) will show 200 watts although the rig meter may only 
> show 10 
> > watts, It happen to me on 15 meters until I did the upgrade as 
> > recommend by Yaseu.  Maybe a loose connector on the RF board, 
> take off 
> > the cover and check the connectors on the LPF unit below the Fan, 
> > thats were I had all of my mod's go.  Hope it works out for you
> >
> > 73's Ron W4LDE
> >
> >
> > K2NV wrote:
> >
> >> Hi Ron,
> >>
> >> It happens on all bands and it's into a pretty close to 50 ohm 
> >> load.   (SWR 1:5 to 1:0 or less)
> >>
> >> Tony
> >> -------
> >> On Aug 13, 2006, at 1:20 PM, W4LDE-Ron wrote:
> >>
> >> Tony,
> >>
> >> What band are you running when this occurs or is it on all bands?
> >>
> >> Ron W4LDE
> >>
> >> K2NV wrote:
> >>
> >>> Anyone seen this problem?
> >>>
> >>> The power out meter shows 10w but the actual power out is 200w.
> >>> If I vary the RF PWR it works but at max puts out over 200w.  
> The  
> >>> RF  PWR control is very erratic and seems non linear.
> >>>
> >>> It seems like I send the rig back to Yaesu yearly now.
> >>>
> >>> I did a complete CPU reset but the problem didn't go away.
> >>>
> >>> 73 - Tony
> >>> K2NV
> >>>
> >>>
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