[TenTec] Omni VI and power supply occilation???

[David S.McCallum]

Can you borrow one locally "D", if you blow up the rig again,,,,that
would really counterproductive wouldn't it...Good Luck Guy and hope you
find the problem,,,,,Mac

David S. McCallum/USAF RET./CMSGT/W7SAC/4
----- Original Message ----- 
From: "denton" <denton at oregontrail.net>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Saturday, April 09, 2005 12:24 PM
Subject: Re: [TenTec] Omni VI and power supply occilation???


TT said they would repair the Omni again for no cost to me....I didn't
inquire about shipping, but am sure glad I have my Ft 990 for a back up
rig.....
It keeps chugging along.....
I suspect...and its beyond my modest test equipment to determine....that
something inside of the Omni is goes into ocillation that normally does
not.
I don't think it has anything to do with my power supply system.
I could pick up a TT power supply to feed the omni, but that would be
counterproductive.


----- Original Message ----- 
From: "Steve Ellington" <n4lq at iglou.com>
To: <tentec at contesting.com>
Sent: Tuesday, April 19, 2005 10:01 AM
Subject: Re: [TenTec] Omni VI and power supply occilation???


> Looks like you're getting plenty of feedback concerning that
oscillation.
> My first thought was "what bloney!" Then I realized I had misspelled
> bologna. Really, when it comes right down to it....You can't prove or
> disprove any of this power supply theory without it costing you
another
> trip to TenTec! I mean,,,are you going to get that VI fixed and hook
it
> back up to that same system just to see if it blows up again? I think
not!
> So then are you going to hook it up to another supply for testing and
run
> it for a few days and THEN hook it back up to the other supply just to
see
> what happens? Again, I think not. I think you're stuck. TenTec will
never
> "approve" your power supply but they will continue to blame it for you
> trouble and maybe, just maybe there is some incompatability going on
here.
> Who knows...Too expensive to find out!
>
> Steve N4LQ
>
> -----Original Message-----
> From: denton <denton at oregontrail.net>
> Date: Sat, 9 Apr 2005 08:14:41 -0700
> To: Discussion of Ten-Tec Equipment <tentec at contesting.com>
> Subject: [TenTec] Omni VI and power supply occilation???
>
> I recently purchased a used Omni VI that quit transmitting, sent it in
to
> TT
> for repair and alingment. TT replaced the finals and some other
work...
> I recieved the repaired Omni yesterday and wasted no time getting back
on
> the air.
> This morning....no rf out AGAIN!!! Exact same sympthons as before.
> I made a call to the TT repair department, and they said since I run a
> homebrew power supply, I may have an ocillation from the power supply
that
> is destroying the finals in the Omni.
> What ocillation??
> I have used this power supply for years. It is currently feeding an FT
990
> and uhf/vhf radio without problems. The power supply has fed various
TT hf
> rigs thru the years without problem. Is there something unique about
an
> Omni
> that will not allow it to be used in my station on the existing power
> supply??
> The power supply is currently hooked up to a pair of absorption mat
deep
> cycle batteries with a blocking diode between the B+ and the
batteries. It
> has been used this way for quite some time without problem, and the
power
> supply alone is capable of 35 amps continous all day long.
> TT also tried to tell me this morning that I may have to run the Omni,
> when
> it gets back from being repaired a second time, on a separate power
supply
> that will shut down when it detects ocillation.
> Anyone run across this before...thanks....
>
>
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>
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>


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