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Re: [RFI] RFI on New Digital TV

To: rfi@contesting.com
Subject: Re: [RFI] RFI on New Digital TV
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Thu, 22 May 2025 14:12:04 -0700
List-post: <mailto:rfi@contesting.com>
Thanks for the feedback, Jim. I'm not surprised that both ends were needed. Suggests either a common mode problem on both ends or that it simply needed another 6dB of choking.

73, Jim K9YC

On 5/22/2025 2:00 PM, Jim McCook wrote:
For now the RFI on the new digital LG TV has been stopped.  The solution was a type 31 one inch ID snap-on toroid with 4 turns on EACH end of the 25' HDMI cable between the new digital receiver and the TV.  One toroid on either end was not sufficient.  None of this was necessary with the previous units, which were android units.  The same cables were used in the new installation.  None of the receiver peripherals were changed. All speaker leads had previously been wrapped on 1-5/8 ID type 31 toroids.  I still wish I had the old android units.  73, Jim
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