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Re: [TenTec] Omni 6 Plus intermittent no TX or RX on 10 meters

To: k8vf_mark@centurytel.net, tentec@contesting.com
Subject: Re: [TenTec] Omni 6 Plus intermittent no TX or RX on 10 meters
From: Joe Papworth via TenTec <tentec@contesting.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Thu, 25 Jun 2015 17:39:54 -0400
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Thanks Mark,
 
I've replaced several of those relays over the years. I can do it in about  
an hour now. But I'm fairly sure that 10 and 12 use the same set of 
contacts so  it's probably not a relay.
 
I had the PLL board whack out on me some years ago and I was able to  fix 
it by hitting all the solder joints. I'll try that on the osc  board. The 
problem comes and goes when it feels like it so I think it is a bad  connection.
 
Seeya, Joe
 
 
 
 
In a message dated 6/25/2015 5:30:45 P.M. Eastern Daylight Time,  
k8vf_mark@centurytel.net writes:

I sent  mine in for an intermittent like that, only on 80 meters.

Probably on  oscillator board, which is  under top cover, left front, UNDER 
the board  shield.

You need to dress the cables and insulate with a towel so you  can operate 
rig while upper boards are folded off to the  side.

Determine where the 10 meter section is, and push in that  area.  If that 
doesn't work, heat with hair dryer to see if it comes  back.

If you get results, then kill power and solder all connections in  area of 
fault.

If no results, I would still solder in 10 meter area,  sucking away old 
aged loooking solder.  Also look for corroded solder  joints. I just got my 
Paragon II going with an intermittent on VCO board for  all bands under 7 mHz 
due to corroded joints

It can be a bad relay in  passband relays, I believe, as the 10 and 12 
meter bands use different relay  contacts.(pretty sure)

That one is harder to get  to.
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