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The following page was printed from RemoteCentral.com:
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wavy lines on plasma screen
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| Topic: | wavy lines on plasma screen This thread has 4 replies. Displaying all posts. |
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| Post 1 made on Thursday February 13, 2003 at 16:15 |
th8r-cr8r Lurking Member |
Joined:
Posts: | February 2003
3 |
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I recently installed a Fujitsu 42" plasma screen t.v.with a dish 500 system. The picture is crystal clear on all channels until you click over to the high definition signal. In high def. mode wavy lines appear on the top and on the side of the screen along with a black bar. The DVD and the high def. signal are via component input, while the other channels are via S-Video. The DVD plays fine so I dont think it is a cable problem. Anyone have any suggestions?
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| Post 2 made on Thursday February 13, 2003 at 21:09 |
Larry Fine Loyal Member |
Joined:
Posts: | August 2001
5,002 |
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| Post 3 made on Thursday February 13, 2003 at 21:56 |
quest51459 Founding Member |
Joined:
Posts: | September 2001
197 |
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I have similar situsations with a few fujitsu's we've installed and I found grounding the cable box very often helped as well as using a dedicated outlet for the plasma as well.
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| Post 4 made on Thursday February 13, 2003 at 23:32 |
Ernie Bornn-Gilman Yes, That Ernie! |
Joined:
Posts: | December 2001
30,104 |
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Larry, the guy was complaining, not yelling.
I have seen this; better grounding was the solution. It might take a while to find the exact location, but cable system grounding and component cable connector grounding are the first two places to check.
You are seeing interference between your image and another image. The black area is either the vertical or horizontal blanking area between images of the other signal.
I was about to say that the other signal could be another channel of some sort when I realized that if the black area is not moving at all, the "other" image is 100.00000% synchronized with the main image, and it has to be some kind of bleedthrough of NTSC (if you are viewing component) or something from the original signal. If it were another channel, no matter how close the frequency tolerances of the originating equipment, the black area would drift, even if only very slowly.
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A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw |
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| Post 5 made on Sunday February 16, 2003 at 14:13 |
DBD Electronics Inc Long Time Member |
Joined:
Posts: | January 2003
49 |
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Key digital systems makes a device that will cure the problem, had similar with PDP5002 and RCA DTC100
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