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Re: [TenTec] TT 509 Argonaut Sticking Relay

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] TT 509 Argonaut Sticking Relay
From: geoffrey mendelson <geoffreymendelson@gmail.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 19 May 2009 19:01:25 +0300
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
On May 19, 2009, at 6:57 PM, JAMES HANLON wrote:

> Karl,
>
>> From your description of the problem, I suspect that it may be a  
>> circuit one.  If possible, measure the voltage across the relay  
>> coil and see if, when it "sticks", the coil voltage has gone to  
>> zero.  If it is staying closed with zero voltage across the coil,  
>> then it is a relay problem.
>
> I'm not familiar with the relay used in the 509, but dry reed relays  
> are quite common.  My Mouser catalog has five pages of them.  If you  
> can give me a physical description and a manufacturer's name and  
> part number I can probably help you find a replacement.


You can download the complete manual from Ten-Tec for free:

        http://radio.tentec.com/downloads/obsmanuals

Geoff.
-- 
geoffrey mendelson N3OWJ/4X1GM
Jerusalem Israel geoffreymendelson@gmail.com





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