I have had to send my omni vi plus upgraded to option 3 back to TT 3 times
for no output....replaced the finals and drivers twice and the drivers a
third time. I now suspect the same static issues. It is working fb now
I seem to have the best luck running a link coupled transmatch to feed both
my omni 7 and omni 6.
Feedline has static discharge units...a pair of 100k ohm resistors to
ground. I run a horizontal loop fed with lengths of 600 ohm homebrew ladder
line plus 400 ohm windowed line running from outside the house to the shack.
----- Original Message -----
From: "Speer, Doug" <Doug.Speer@FairbanksMorse.com>
Sent: Monday, April 20, 2009 9:32 AM
Subject: [TenTec] Omni VI+ Repair needed
>I have an Omni VI Plus that is a suspected static discharge victim. In
> its current state the receiver is fully functional and works just fine.
> The transmitter puts our little or no power with associated reduced
> current draw on the power supply and odd Po readings on the panel power
> meter. The little or no power output has been confirmed with an
> independent power meter. Ten-Tec originally repaired this unit with
> identical symptoms by replacing the drivers, finals and PIN diodes on
> the BPF/Front End Board. The unit failed again shortly after the
> original Ten-Tec repairs. Ten-Tec now suspects further problems with
> PIN diodes and / or an OP Amp in the SWR circuit that apparently
> provides feedback to the RF circuits. Ten-Tec declared this unit as
> "not economically repairable" and subsequently I filed a homeowners
> claim on the unit therefore Ten-Tec will not perform any further service
> work on the rig.
> I have neither the time nor test equipment to dig into component level
> repair myself. I'm looking for someone knowledgeable and experienced
> with Ten-Tec Omni VI+ servicing who would be willing to take a look at
> the rig. Please contact me off line of the reflector and let me know
> your experience and bench rates. I can then discuss in more detail what
> I know / don't know about the rig and its issues.
> Doug, W9PN
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