Dirty screen effect, or DSE to TV geeks, refers to a lack of uniformity in solid colors displayed on LED/LCD and plasma televisions. A vast majority of TV watchers will never notice this lack of uniformity, which is visible mostly in specific circumstances: during moments of bright colors or whites (such as during snowy white or desert scenes Samsung 55" LED TV Not Working - How to Fix No Backlight Issue - UA55KU UA55MU UE55KU UN55KU UN55MU - YouTube Samsung 55" LED TV LED Strips Replacement TutorialCLICK HERE for
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10. Jan 28, 2019. #1. My samsung curved 55" UN55KS9500FXZC wont show picture. The backlight flicks on and off like it's trying to turn on but never does. I opened up the back and cant see any damage or blown capacitors. When I disconnect the main board from the power board the screen stops flashing and the backlight stays on solid.
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samsung led tv backlight issues