Samsung black vertical lines sets of 3

jkmac2448

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Apr 17, 2010
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Hello,
we have a samsung 46 in with good picture new color wheel and lamp, but have black vertical lines in sets of three across screen. Help!
 

jkmac2448

Distinguished
Apr 17, 2010
3
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18,510
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Does the TV have a grounded 3 prong plug?
lift the ground pin with one of those hardware store grounding adapters. (3 to 2 pin power plug adapter)
Do the lines go away?
Disconnect the inputs to the TV , leave just one input connected. Do the lines go away?
any time you have more than one ground connected to the TV, you can get lines. It's called a ground loop.
The TV cord does not have a ground prong nor does it remove from back of TV like my 42" Samsung
 
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