Vertical black lines in my!

I have a 42" EDTV Hitachi plasma. I have 2 vertical black lines up through the center of my screen about 3' apart. I have taken the tv apart a couple of times to see if I could find the bad driver board, but I cant tell which one it is. Can anybody tell me which board it is so I can fix it. Any help is appreciated...thank you..!
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More about vertical black lines plasma help
  1. If the lines are a single-pixel wide, your panel may be toast. If they are 2-3 inches wide, you may have a bad buffer board, which runs horizontally across the bottom in usually three segments. Either way, the parts and labor will exceed the replacement value.
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