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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: "Jim Brown" <jim@audiosystemsgroup.com>
Date: Fri, 24 Jul 2009 22:47:20 -0700
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
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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