[TenTec] Omni 6 Opt 3: Problem on 15 and 10M band decoding
Dr. Gerald N. Johnson
geraldj at storm.weather.net
Sun Jun 18 20:06:54 EDT 2006
On Sun, 2006-06-18 at 18:47 -0400, PaulKB8N at aol.com wrote:
> This has been an ongoing problem. For the first hour or so, I get voltage
> off the DB-25 for every band I select. I use this to drive some small relays
> which, in turn, select the appropriate LC combination on my bandswitching
> antenna tuners. After about an hour, the 15M voltage drops off and maybe
> another half hour the 10M voltage drops off. I can sometimes recover the 10M
> voltage by switching to 12M first, then to 10M. I have this identical problem
> with both radios, but I don't believe it is my relays that are causing the
> problem.
>
> Paul, K5AF
Probably you are drawing too much current from those ports causing the
driving device to overheat. Its probably an IC, but I don't know that
since I don't have the schematic of the Omni 6 Opt 3.
--
73, Jerry, K0CQ,
All content copyright Dr. Gerald N. Johnson, electrical engineer
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