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    Moderated By: claudio
    Agoraquest Forum Index Television Configuration
    COAX RF Interference Dashboard
    Replies: 5 | Views: 1,818
    Last Reply: February 21, 2003, 4:20 pm

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    Author COAX RF Interference

    Rank: Sony Enthusiant

    Joined: Jul 19, 2002
    Posts: 25
    From: Toronto, Canada

      Posted: 2003-01-26 22:37

    Need help with regular cable hook-up.

    I bought a KV27FS100 recently and I noticed that because the picture is so good compare to my old KV27S42 (older trinitron) I can see alot of RF or EMI Interference on normal cable broadcasts.

    What can you suggest that would be the best way to get rid of these annoyances.

    Does Radio Shack or other retailer sell anything that can filter out the interference, instead of buying an $80 length of coax from monster cable?



    Rank: Sony Legend

    Joined: Dec 14, 2001
    Posts: 1211
    From: Rhode Island, USA

      Posted: 2003-01-27 06:05

    How do you know it's EMI? What exactly does it look like? Does it only happen on some channels? Does it happen all the time?


    Rank: Sony Enthusiant

    Joined: Jul 19, 2002
    Posts: 25
    From: Toronto, Canada

      Posted: 2003-01-27 14:59

    It only happens when I run the cable through a surge protector , and only on channels 2-5. I think the one length of cable must be screwed up because it only does it with the this one length of cable and not the others I have tried.

    Other stations though have alot of intereference, such as scan lines.

    I was hoping for an easy inline filter to knock down some of these signals and frequencies


    Rank: Sony Legend

    Joined: Dec 14, 2001
    Posts: 1211
    From: Rhode Island, USA

      Posted: 2003-01-28 05:42

    I've seen this problem before. It cannot be filtered out. It is a problem with the cable (or the connectors on it) as you pointed out. Just try cables until you find a good one.


    Rank: Sony Devotee

    Joined: Jan 24, 2003
    Posts: 84
    From: California,USA

      Posted: 2003-01-31 17:41

    Try grounding the shield of the cable connector to the same ground as your equipment and see if that helps. I found on my house that the cable co just connected the external ground to my water pipes, which were not a good ground as it turns out, since my main line is made out of PVC. Connecting the ground outside to the ground strip in my breaker panel fixed a lot of the problems.

    Click on the WWW button below to visit my website.


    Rank: Sony Enthusiant

    Joined: Jan 31, 2003
    Posts: 43

      Posted: 2003-02-21 16:20

    You have a cable with an open shield connection. Make sure all of your cable runs are of good-quality QUAD-shielded RG-6, with securely-crimped connections. You can purchase reasonably-good ready-made cables from Radio Shack or even Home Depot... but don't throw your money away on Monster brand products. They're mediocre products at a premium price.

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