While watching the TV all of a sudden it starting humming and on the screen appeared diagonal lines of blue, black, and white I believe with the word Sunday in the middle. The word Sunday began disappearing and the screen went black. I thought it was from the broadcast station. Not so. The blue light comes on when I turned it on but not picture or sound. I have tried unplugging it. Can you help? Thank you for your time.
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same problem, same model tv
I have vertical lines as well with the picture sometimes looking polarized and a loud humming when turning on the tv
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