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Faint wavy lines moving diagonally on my TV

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Old 07-12-2007, 12:16 AM   #1
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Default Faint wavy lines moving diagonally on my TV

Anyone know what could be causing this? Interference? HD signal? Occurrence and frequency at which this occurs appears random. Playing my PS3 (games or viewing blu-ray downloadable trailers I have no problems at all).

Here's my set up(even though I suspect its the signal or a bad stb):

TV-HD STB-->component cables
PS3-TV-->HDMI
No audio system

TV,STB, PS3 all plugged into line conditioner

Thanks in advance!
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Old 07-12-2007, 05:13 PM   #2
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Interference. You are using a digital connection with the PS3, which is why you don't see it, but the interference is affecting the analog signal sent along the component cables. What kind of cables are you using? You will need to get ones with better shielding. I use Acoustic Research because they aren't too expensive.

Also, this is the wrong folder for this question.
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Old 07-12-2007, 07:36 PM   #3
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It's really hard to know for sure. But, it could be something on the same circuit or physically near your equipment causing this. A strong fan or something with a magnetic field for example. I've also read that too strong a tv signal can cause problems. Have you tried hooking up a different tv to see if the second tv does it? You may want to spend a few bucks and get opinion of an electrician.
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Old 07-17-2007, 09:29 PM   #4
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Thanks for the replies, the wavy lines are completely GONE. Here's what I did.....

I simply disconnected the coax from the stb to the TV! I always thought [outside coax-STB-coax to TV]. It appears the component cables are good enough.
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Old 12-11-2008, 02:37 PM   #5
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I am having the exact same problem! But I have coax from wall going into digital tuner. The component from the back of the cable box tuner goest out to TV component inputs. The lines come and go.

These "lines" of course do not appear on HDMI. My cable box tuner is plugged into a power strip with several other devices - not the TV which goes direclty to wall. I also have the cable box on top of my sub woofer. I would like to avoid the expense of an HDMI switching device plus more cables that would be required to use the single HDMI on my DLP TV. Reason? My TV is only 720p at best and I cannot tell the difference between HDMI and Component - other than the irritating interference or whatever it is.

Any other thoughts on this?? thanks so much.

Last edited by hamiltonpl; 12-11-2008 at 02:50 PM.
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Old 12-18-2008, 10:29 AM   #6
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You have a ground loop. The fix is to ground - or ground better - the shield on your cable. In my case the cable company came out and added a ground block closer to my cable box, and ran a wire from it to my home's main ground. This totally solved the problem.
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Old 12-30-2008, 08:12 AM   #7
How can anyone watch standard def?
 

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Quote:
Originally Posted by JWKessler View Post
You have a ground loop. The fix is to ground - or ground better - the shield on your cable. In my case the cable company came out and added a ground block closer to my cable box, and ran a wire from it to my home's main ground. This totally solved the problem.
Did they charge you for this service?
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Old 01-13-2009, 10:33 AM   #8
How can anyone watch standard def?
 

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As a followup when you say cable box do you mean the box setting near the TV or something outside the home?

I want to be specific as possible with TWC when I ask them to do this thanks for your help.
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Old 02-21-2009, 12:23 PM   #9
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I had the same problem watching HBO (analog) through my ReplayTV PVR. Only on HBO did it do this. No clue why, but I've since switched to a dedicated media center pc, no more problems.
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Old 10-19-2010, 06:42 PM   #10
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Default I think i have the same problem

So i finally put cable in my room. I have my wii and my ps3 hooked up. then i added my cable box into the mix. now the wii is fine but when i go to my ps3 i hear whats playing on the cable box at first i thought i crossed the wires but that was not the case. i even went out and bought a new av cable but that didnt help. when i got to the cable box im hearing a low buzz and when i go to the ps3 i hear a low buzz + green lines are scrolling up on the screen AND im hearing what is on the cable box (unless i turn off the cable box) what should i do?

Wii --> av port 1
ps3 --> Component (audio in audio port 1)
Cable--> av port 2

please help thnx
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