The fix here is fairly simple, and you only need to replace the damaged components.This damage will be evident when you notice a capacitor bulging and or leaking.Power supply issues usually happen when power surges hit your TV and damage components such as capacitors.There may be times when you turn on the TV but the screen remains black.Īssuming you don’t have any signal issues with the devices hooked up to your TV, you are most likely experiencing a power supply failure inside the TV. General Pros and Cons of Flatscreen TVs.TV does not connect to the Wi-Fi network.Horizontal lines appear on the screen during start-up.The image on the TV is out of proportion.TV does not display high-resolution content properly.LED TV only displays a blue, green, or black screen.
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