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Re: [TenTec] OMNI VI DC power PC board failure ?

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] OMNI VI DC power PC board failure ?
From: Dukes HiFi <dukeshifi@comcast.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Thu, 1 Dec 2016 08:29:59 -0600
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Send me a photo of it.

Have parted out two Omni 6’s and may have one kicking around.

Gary
> On Dec 1, 2016, at 8:19 AM, David Perrin <dbperrin@gmail.com> wrote:
> 
> Hi-
> I have an OMNI VI that started to fail; the readout began to flash and the
> relay on the DC power board (about 2.5" square) began buzzing. I replaced
> the 1000uF cap @ 25V with one of the same cap. but a voltage rating of 50V.
> That increased the frequency of the buzzing by about twice the frequency.
> Transistors replaced, a 1N4001 diode replaced as well. 0.15 Ohm resistor is
> OK. Next will be to replace the 16V Zener.
> 
> Any clues would be appreciated, or maybe there is a DC power board out
> there somewhere.
> 
> Thanks for reading.
> 
> 73 de Dave in NH  K1OPQ
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