Question about Vizio GV42L 42 in. LCD Television
3 wall mounted TV's one Plasma and two LCD's all linked together. all TV's have a faint horizontal line that slowly moves from the bottom of the screen to the top and continues to cycle through. When cable is disconnected and DVD player hooked up picture is perfect. Have changed out the cable box and checked the cable signal strength(good)as well as stretched out new coax cable to the TV's and the problem does not go away. Any ideas?
This is a very common Ground loop problem. The quick cure is to put a 2 prong to 3 prong adapter on the plugs which effectivly removes the ground from the circuit and stops your lines. Have fixed over a hundred TV's since the 60's that way.
Posted on Oct 04, 2007
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