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Re: [Yaesu] FT1000D swr problem

To: yaesu@contesting.com
Subject: Re: [Yaesu] FT1000D swr problem
From: Keith Morehouse <w9rm@yahoo.com>
Date: Wed, 2 Mar 2005 09:21:16 -0800 (PST)
List-post: <mailto:yaesu@contesting.com>
Willem Braeckevelt wrote:
>Since last week if i go over 60w out swr becomes over
>2.5 on dummy also, try higher power output is cut
>fastly to min.

Willem, this happened to me a number of years ago
after extended operation in a 160 contest.  One of the
large chip blocking capacitors in the output PN switch
assembly had heated so badly (I assume due to extended
running at 200W into a non-50j0 load) the solder had
reflowed.  Replacing and resoldering the chip cap
cured the problem, which has not reappeared.

I don't remember which cap it was - it was much larger
then most so it was probably a series cap in the RF
output path.  It will be obvious if this is the



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