[RFI] Samsung Computer Monitor an RFI Dog

dalej dj2001x at comcast.net
Wed Sep 25 07:11:42 EDT 2013

My Samsung shack TV did that when I first installed it.  I found some metal on the back of the TV and run a wire to my station ground from the TV, I also added #31 mix to all the wires going to the TV.  My TV behaves like it should now while running full power 1500 w. on all bands except 160 as I don't have any antennas for 160.  

Dale, k9vuj

On 25, Sep 2013, at 5:57, N1BUG <paul at n1bug.com> wrote:

> There should have been just one "20" in there. :-)
> I forgot to add: after turning on it will randomly change channel while I'm transmitting.
> 73,
> Paul
> On 09/25/2013 06:51 AM, N1BUG wrote:
>> My Vizio LCD TV will turn on if I transmit with 100 watts or more on
>> 160 meters using the inverted V with one leg running about 20 20
>> feet above the house. Mine will turn off using the remote, however.
>> No problem when running 1500 watts to the vertical, but it is 220
>> feet from the house.
>> 73,
>> Paul N1BUG
>> On 09/24/2013 10:20 PM, GARY HUBER wrote:
>>> I have a similar problem (to the Samsung TV) with a JVC flat screen TV. It
>>> will come on when I use a 160 sloper which runs close to the house at less
>>> than 50W.  Neither the touch buttons nor the remote will turn the TV off
>>> after its been turned on by 160 RFI, the only way to reset it is to remove
>>> the AC power cord for a couple minutes then it will work with either the
>>> touch buttons or remote.  Running 500W on 160 to a ground mounted vertical
>>> some 50 feet from the house has no effect on the JVC TV nor does the full
>>> legal limit to a tribander at 50 feet on a Rohn 45G mounted next to our two
>>> story house.
>>> 73 ES DX,
>>> Gary -- AB9M
>>> -----Original Message-----
>>> From: Jim Brown
>>> Sent: Tuesday, September 24, 2013 7:24 PM
>>> To: rfi at contesting.com
>>> Subject: [RFI] Samsung Computer Monitor an RFI Dog
>>> On 9/24/2013 2:37 PM, Mel Crichton wrote:
>>>> Just to reiterate my comments from 2 years ago... Samsung high-end
>>>> energy-efficient super-(audio) quiet refrigerator creates extremely strong
>>>> RFI every 5 KHz.....it's from the compressor, not the display...
>>> A few months ago, I inherited a nearly new Samsung display from a fellow
>>> ham, who told me that the touch-buttons that control monitor went nuts
>>> when he keyed his rig. He lives on a small lot and runs legal limit,
>>> mine are mostly much farther from the shack, so I fired it up in my
>>> shack.  It mostly worked OK, for the reasons noted, but not when I load
>>> up a 160M vertical about 25 ft away with 1.5 kW -- the monitor does,
>>> indeed, go nuts and eventually shuts down, probably due to a
>>> microprocessor crash.
>>> 73, Jim K9YC
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> -- 
> Paul Kelley, N1BUG
> RFI Committee chair,
> Piscataquis Amateur Radio Club
> http://www.k1pq.org
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