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Re: [Amps] TL-922 relay problems

To: ve7avv@shaw.ca
Subject: Re: [Amps] TL-922 relay problems
From: Vic Rosenthal <vic@rakefet.com>
Date: Wed, 09 Mar 2005 09:37:33 -0800
List-post: <mailto:amps@contesting.com>
Paul B. Peters, VE7AVV wrote:

> My TL-922 has most of the mods suggested by Rich, AG6K -- but one item that
> has not been done is the vacuum relay QSK.
> 
> I tell you this by way of introduction to the symptoms I have noticed in the
> last few days. The amp operates perfectly with one minor exception.
> Regardless of whether I'm operating with the foot switch or VOX, the amp
> seems to hang for a second when I unkey or stop talking. By hang I mean, the
> amp is definitely not transmitting, but I don't have complete audio back in
> the headset -- the audio sounds a bit ragged for a second or two and then
> all is fine once again. Could this be an early indicator of a failing TX
> relay? 

Yes.  I've had this happen with Jennings RJ1A relays after some use.  I've had 
better luck with Kilovac HC1's. Just anecdotal evidence, not proof.  Replace 
the 
relay and it should clear up.

-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco

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