Thanks Ron,
Yes, unhooking the serial cable made no difference. When I found out there
was a hum in my audio, I methodically began unhooking things in the shack
one by one. First was the serial cable. I even went to the breaker panel
and shut down the rest of the house !!. Finally unhooked the 961 and
substituted the astron RS 35. Same thing. So it seems to be the radio.
David
----- Original Message -----
From: "Ron Zond" <k3miy@csonline.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Tuesday, July 14, 2009 4:50 PM
Subject: Re: [TenTec] Omni VI problems
> Hi
>
> Did you try it after unhooking the serial cable?
> If doing that solves your problem, trouble the cable.
>
> Ron
> K3MIY
>
> -----Original Message-----
> From: tentec-bounces@contesting.com
> [mailto:tentec-bounces@contesting.com]On Behalf Of David & Chris Drake
> Sent: Tuesday, July 14, 2009 3:34 PM
> To: Discussion of Ten-Tec Equipment
> Subject: [TenTec] Omni VI problems
>
>
> Hi,
> Before I send my Omni VI/3 down to Sevierville for service, I thought I
> might pose my problems for any troubleshooting advice from the group.
>
> Problem:
> Suddenly went off frequency by about 80-100kc's (low).
> Contacts state there is a low frequency hum in the audio. One ham
> indicated
> he thought it sounded like a carrier present when I attempted to transmit
> on
> indicated frequency.
>
> Power supply (961) checks out ok for current and voltage, but have not
> scoped it yet for ripple. I also tried an Astron RS35, known good, and
> same
> problem.
>
> This has occurred during my time trying to evaluate several logging
> programs
> with the computer db9 hooked up direct to the serial port on the radio
> (db25), per the manual. Any connection??
>
> Have had no other issues surrounding the sudden problems.
>
> Omni and 961 are now off line and my backup radio installed.
>
> Thanks,
> David
> Wd9cmd
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>
>
>
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>
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