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White screen with band vertical lines

when I turn on the 32LG70-UA TV, it is no image at all, white screen with band of colorful vertical lines.

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[image|1194124]

that's the picture of the problem.

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@huangxiaomin we would have to see what you are seeing. Use this guide Adding images to an existing question to add images to your question. Right now, going by your description alone it could b a cabling issue as well as a bad T-Con board. Remove the back of your TV after you unplug it and heck the wiring as well as your boards for any obviously damaged component.

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