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Re: [RFI] Samsung TV strange RFI problem

To: RFI List <rfi@contesting.com>
Subject: Re: [RFI] Samsung TV strange RFI problem
From: Larry Benko <xxw0qe@comcast.net>
Date: Sat, 25 Jul 2009 09:27:28 -0600
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
Gerry,

BEFORE doing any of the things that Jim has suggested (which are a very 
good methodical way to solve problems with your TV and components) I 
would do the following.  Turn on the TV and then either take the 
batteries out of the remote control or move it out in the backyard or 
somewhere too far away to operate the TV and then transmit.  It would be 
shame to find out that the problem was RF getting into the remote which 
was then bringing up the menu on the TV.  I really doubt this is the 
problem but since it is so easy to try I would do it first just in case.

73, Larry, W0QE


Jim Brown wrote:
> On Sat, 25 Jul 2009 00:20:10 -0400, Gerry wrote:
>
>   
>> I removed her componenet cables and tried HDMI with no luck. Other than AC 
>> and HDMI no other cables go to the TV. I think it may have happened with all 
>> the cables off but I'd have to check that agian.
>>     
>
> Gerry,
>
> 1) Remove ALL the cables (except the power cable) and see if you have the 
> problem.  
> If you do, proceed to step 2. At this point, there should be no antenna, no 
> cable 
> TV, no audio outputs, no video inputs or outputs. 
>
> 2) Study my RFI tutorial and use it as a guide to wind a toroidal choke on 
> the 
> power cord tuned to 20M.  If that doesn't help, take the TV back for a 
> refund. 
> It's a shielding problem, and you'll never fix it. 
>
> 3) If the choke on the power cable fixes it with no other cables attached (or 
> if 
> there's no interference with only the power cord), start adding other cables 
> one 
> at a time that you need to make the set functional the way you want it. If 
> the 
> problem returns, that cable is acting as a receive antenna, so add a choke to 
> it. 
>
> The tutorial is at http://audiosystemsgroup.com/RFI-Ham.pdf
>
> 73,
>
> Jim Brown K9YC
>
>
>
>
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