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[TenTec] Ten-Tec 422 Amp Problem

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: [TenTec] Ten-Tec 422 Amp Problem
From: "k0bx@arrl.net" <k0bx@arrl.net>
Reply-to: k0bx@arrl.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Thu, 27 May 2010 10:29:45 -0700 (PDT)
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
I hate to interrupt the forum with a real TT question, but here go's:

I have a 13 year old TT Centurion Amplifier which I have own for about 2 
years.  I have it hooked up in break-in mode with my IC-756PRO3.  

The CW key the input  into the amp and the amp keys the rig.  There is a PTT 
All has been working well until earlier this week.  The amp no longer keys the 

The 'transmit' light flashes with the keying but doesn't key the rig.   
I tried the amp on SSB and RTTY and it works fine with full output.
I then unhooked the CW key from the amp and put it in the key jack in the back 
of the rig.
It works fine in semi-breaking mode.

The manual says the following:

I believe it is the QSK board but thought I would ask the group here before I 
order a new board.
Thank you,

Joe K0BX
Stop the insanity!

Please do not add me to any distribution lists (Joke, Stories or Junk) without 
my permission.

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