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| November 14, 2012, 2:44 pm |
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| Author |
COAX RF Interference |
Malikeye
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? 
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paulaceto
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?
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Malikeye
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
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paulaceto
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.
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Lee_Bailey
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.
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jay_winter
Rank: Sony Enthusiant
Joined: Jan 31, 2003
Posts: 43
From:
 | 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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