Screen Becomes Dark And Audio Will Continue Television

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Vu Pixelight 138cm (55 inch) Ultra HD (4K) LED Smart TV Model 55-QDV The problem is while watching tv suddenly the screen becomes dark and audio will continue

chintu pradeep  this ”tv suddenly the screen becomes dark and audio will continue “ can be a power board issue or a backlight issue. Once your picture goes dark and your sound stays on, shine a flashlight at an angle against the screen. Check to see if you can make out shapes, silhouettes etc. If so then the problem is most likely your backlight strips. If not then you will have to measure the voltages going from the power board to the backlight LEDs’. Let us know when the screen comes back on, if it does that by itself or if you have to turn your TV off and then back on and how long you will have to wait for it to turn back on etc. Every little detail can help. Post some good pictures of your boards with your QUESTION. That way we can see what you see. Adding images to an existing question