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No picture but there is sound

My tv turns on but there is no picture but there is sound. Screen is black

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任天堂 Switch 套装

快速恢复到游戏的状态

购买 Switch 套装

任天堂 Switch 套装

快速恢复到游戏的状态

购买 Switch 套装

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@laucher78 take a look at the screen with the TV on in a dark room. If you see a faint glow on the display than you know that your beacklight is on. In that case my first suspect to replace would be the T-con board. If the backlight does not come on, then I suspect the power board. Unplug your TV and remove the back. Check the boards for any suscpicious looking components like domed or leaking caps.

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