Question about LG RU-42PX11 42 in. EDTV-Ready Plasma Television

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50/50 split in screen no picture on bottom half

I bought this TV not working, I thought I could learn a bit by trying to fix it. I replaced a couple of boards and I can get it to display the top half of the picture but I don't want to spend any more money fixing it, I already spent too much. Just trying to recoup my losses a bit by selling it (also can't bear to throw an almost working tv out)

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