Tom,
If you're looking for an absolutely safe approach, and one that is
guaranteed 100% to work, try this:
Turn the mic gain all the way down just before you transmit. You won't get
many contacts, but you'll have absolutely no trouble with RFI on any band.
Steve
----- Original Message -----
From: "tom behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, March 01, 2010 20:28
Subject: Re: speaking of RFI! ...
> Good point, Steve.
>
> At least I think I can rejuvenate the TV if I have to, but I am a little
> reluctant now to take too many chances with experimentation.
>
> Then again, that's the only way I'll solve the problem for sure.
>
> For now, I'm going to start trying to do things that hopefully will lessen
> the chance of RF getting into the unit, and take things from there.
>
> 73 from Tom Behler: KB8TYJ
>
> ----- Original Message -----
> From: "Steve Dresser" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Monday, March 01, 2010 1:07 PM
> Subject: Re: speaking of RFI! ...
>
>
> Tom,
>
> Just because your phone and internet aren't affected by the RF, you can't
> rule out the possibility that RF gets into the TV via the cable. Your
> phone
> and computer may just be better at rejecting it. The only way you can be
> certain is, as someone else has suggested, to disconnect the cable from
> the
> TV and see if the problem persists. You may also discover that the RF is
> getting into the TV via several paths. Solving this will take lots of
> time
> and patience.
>
> Steve
>
> ----- Original Message -----
> From: "Tom Behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Monday, March 01, 2010 13:41
> Subject: Re: speaking of RFI! ...
>
>
>> Steve:
>>
>> That is my biggest fear, but what is is, I guess.
>>
>> The sad thing is that, due to the problems I had regarding this issue
>> even
>> barefoot with 100 watts, the XYL and I routinely unplug the TV whenever
>> I'm
>> going to be on the air, but simply forgot yesterday. Also, I have some
>> great toroid cores that I could have put on the power cord to the TV, but
>> who knows if they would have helped. What's so weird is that I have all
>> sorts of computer and other stuff much closer to the ham shack that
>> doesn't
>> seem to care at all. Go figure!
>>
>> Also, I have ruled out the possibility that the RF is getting into the TV
>> through the cable, since we have cable internet, tv, and phone, and the
>> internet and phone are not affected at all by my RF, even when using the
>> amplifier.
>>
>> 73 from Tom Behler: KB8TYJ
>>
>> ----- Original Message -----
>> From: "Steve Dresser" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Monday, March 01, 2010 9:11 AM
>> Subject: Re: speaking of RFI! ...
>>
>>
>>> Tom,
>>>
>>> It sounds like your RFI problem is that the TV is picking up signal
>>> radiating from your antenna. You may have inadvertently fried something
>>> in
>>> the set which picked up the RF due to poor shielding within the set
>>> itself.
>>> Unfortunately, there's no simple answer to these kinds of problems. You
>>> could try some obvious things such as torroids on any cables connected
>>> to
>>> the set, but even that may not be enough. You might even want to call
>>> Toshiba about this one, but my feeling is that something in the set
>>> finally
>>> gave up the ghost.
>>>
>>> Steve
>>>
>>> ----- Original Message -----
>>> From: "tom behler" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Monday, March 01, 2010 09:25
>>> Subject: speaking of RFI! ...
>>>
>>>
>>>> Hi, all.
>>>>
>>>> I don't know if putting a ground rod in will solve this problem, but
>>>> the
>>>> XYL
>>>> and I have a very weird RFI issue that I'd like some feedback on.
>>>>
>>>> This happened even before I got my Ameritron amplifier, when I was
>>>> trying
>>>> to
>>>> tune up my Alpha Delta DXCC antenna on 80 meters and even certain other
>>>> bands.
>>>>
>>>> Specifically, sometimes, when I transmit, I disable our Toshiba TV, and
>>>> have
>>>> trouble getting it going again. The TV is in another room, and on a
>>>> completely different circuit than the ham set-up.
>>>>
>>>> Yesterday evening, when we tried turning the TV on, we couldn't get
>>>> anything
>>>> at all to happen. And, now, here's the really weird part: the TV
>>>> wasn't
>>>> even on when I did the blind hams net and was using the amplifier.
>>>>
>>>> Sometimes, if I play with it enough, I can get the TV to turn back on,
>>>> but
>>>> so far, no luck today!
>>>>
>>>> My theory is that there's some sort of protective circuit in the TV
>>>> that
>>>> shuts things down when it senses the slightest bit of RF or something
>>>> it
>>>> doesn't like.
>>>>
>>>> We scoured the manual for the TV, and can find no re-set button.
>>>>
>>>> Any suggestions anyone has for trying to resurrect the TV would be
>>>> appreciated.
>>>>
>>>> I just hate to take it into some service center, and have them charge
>>>> me
>>>> an
>>>> arm and a leg for something that may be fixable on this end.
>>>>
>>>> 73 from Tom Behler: KB8TYJ
>>>>
>>>
>>
>
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