LCD video ground issue.

iyouwas

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I have a ground issue with my LCD. The problem is with the video ground coming out of my jamma harness
When the video ground wire was installed from the lcd to the video ground on the harness, it looks real bad. And when I ground the connected wires to the cabinet it seems to go away a little bit, but still noticible in the display.

Is there such thing as a ground boost? Or something to enhance the ground?

It is playable, but the interference looks like thick faint bars vertically across the monitor.
The issue was evident even before I swapped out the burned out crt.
The crt had the issue evident as well.

Thanks for any help.
 
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