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Re: [Amps] AL-811H Question

To: amps@contesting.com, Charles Mills <w3yni1@gmail.com>
Subject: Re: [Amps] AL-811H Question
From: Glen Zook <gzook@yahoo.com>
Date: Fri, 22 Oct 2010 16:55:54 -0700 (PDT)
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Check the antenna change-over relay.

Glen, K9STH

Website:  http://k9sth.com


--- On Fri, 10/22/10, Charles Mills <w3yni1@gmail.com> wrote:

Recently replaced the 4 811 tubes in my AL-811H with a matched quad.
 
I replaced them because, upon turning the amp on a while back I heard a loud 
POP and the amp went dead.
 
The fuse blew.  Replaced Fuse -- same result.
 
Spoke to some amp gurus around here and said the tubes were probably shorting 
out as they were bad - - replace.  So I did.
 
Now when I turn on the rig and tune up I am apparently getting RF into the AMP 
as the plate and grid meters move and behave as expected through the tuneup 
procedures.  However, I show no power out whatsoever from the amp.
 
Any ideas what to check next?  I'm thinking I blew another component somewhere 
and plan to take the cover off to see if the smoke has been let out of anything.


      
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