[1000mp] Hi SWR on new MkV

[morris wideman]

I agree the archives need a search function badly!. On the SWR sounds like a radio problem a good way to start would be with a known good Dummy Load and short coax jumper connect load to tranceiver and without tuner if you still get high SWR reading and its new rig in warranty send it back for repairs.
Morris WA4MIT
----- Original Message -----
From: "Brian Smithson" <n8wrl at att.net>
To: "'All about Yaesu 1000mp'" <1000mp at mailman.qth.net>
Subject: [1000mp] Hi SWR on new MkV
Date: Sat, 4 Dec 2004 14:53:01 -0500

> 
> Greetings all!
> 
> Sorry if this has been covered before - it is not obvious to me how to
> search the archives short of scrolling thru each month in turn. Is there an
> easier way?
> 
> I received my 'early xmas present' this past thursday - a new MkV!
> Completely stock as of now. It replaces an FT990 I've had for ten years.
> 
> My problem seems to be an initial Hi SWR on 10 and 12 meters. When I first
> key up it pegs the SWR meter, 'Hi SWR' lights up, and then SWR creeps down
> to where it should be in 20-30 seconds. It happens when the coax is
> connected to both A or B antenna ports. It only happens on 10 and 12 meters,
> CW and phone. I reconnected my FT990 and it has no problems with these
> bands.
> 
> I have two antennas for ten and it happens on both. I ran some tests to see
> if I could isolate the problem. With menu 8-8 (tuner) turned OFF, I
> systematically unplugged everything I could from the radio so that in the
> end, only a straight key was connected to the front key jack. No mic,
> speaker, etc. Computer, monitor, all other power sources and devices are
> off. I don't own an amp. I also checked the SWR using my RF Analyzer thru
> the same coax the radio sees and got expected results.
> 
> Turning menu 8-8 back on results in the same behavior. Pressing the 'tuner'
> button so 'Tuner' is lit seems to solve the problem.
> 
> I guess I can run with the tuner on all the time, but is this the right
> behavior? I've only had to use the tuner on the 990 when I used my 40m or
> 80m antennas. The 12m WARC beam is flat as a pancake. I also have an FT100
> and it had to go back for an 'SWR fix' a while back where it would complain
> of Hi SWR on high bands - is this a similar problem?
> 
> Thanks, and 73!
> 
> -Brian n8wrl
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