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Horizontal Bars on New LCD and Plasma TVs - HELP!

D

DougBronx

Jan 1, 1970
0
I have a 50 inch Plasma and a 32 inch LCD TV that have a horizontal
"band" that is about 10 inches or so wide that scrolls up the screen
constantly (which is driving me crazy). The Plasma has a line that
constantly scrolls, but the color of the content is fine. The bar on
the LCD causes the color of the underlying content to wash out (for
example, if you watch a football game, the field under the band would
be brownish instead of green). I have Comcast HDTV DVR boxes on both.
Does anyone know what the problem might be. One other point - I was
watching a DVD with the cable box off, and still saw the line
scrolling. Any advice would improve my mental health.
Thanks,
DougBronx
 
J

James Sweet

Jan 1, 1970
0
DougBronx said:
I have a 50 inch Plasma and a 32 inch LCD TV that have a horizontal
"band" that is about 10 inches or so wide that scrolls up the screen
constantly (which is driving me crazy). The Plasma has a line that
constantly scrolls, but the color of the content is fine. The bar on
the LCD causes the color of the underlying content to wash out (for
example, if you watch a football game, the field under the band would
be brownish instead of green). I have Comcast HDTV DVR boxes on both.
Does anyone know what the problem might be. One other point - I was
watching a DVD with the cable box off, and still saw the line
scrolling. Any advice would improve my mental health.
Thanks,
DougBronx


Could there be an appliance in the house causing electrical interference?
 
T

t.hoehler

Jan 1, 1970
0
James Sweet said:
Could there be an appliance in the house causing electrical interference?

Since you have the same symtoms on both sets, it probably is an interference
source within your house.
Check for cell phone chargers, or other wall wart switchers plugged in near
the sets. The one I had for an old Nokia phone was unbelievably noisy,
neatly wiped out a chunk of the AM broadcast band.
regards,
tom
 
D

Dave Plowman (News)

Jan 1, 1970
0
I have a 50 inch Plasma and a 32 inch LCD TV that have a horizontal
"band" that is about 10 inches or so wide that scrolls up the screen
constantly (which is driving me crazy). The Plasma has a line that
constantly scrolls, but the color of the content is fine. The bar on
the LCD causes the color of the underlying content to wash out (for
example, if you watch a football game, the field under the band would
be brownish instead of green). I have Comcast HDTV DVR boxes on both.
Does anyone know what the problem might be. One other point - I was
watching a DVD with the cable box off, and still saw the line
scrolling. Any advice would improve my mental health.
Thanks,

Try unplugging all peripherals - do they then still do it using their own
tuners? It sounds like some form of video breakthrough.
 
A

Art

Jan 1, 1970
0
May even be a poor or non existant ground to for the cable shielding where
it enters the residence.
 
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