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Aporte original por: oldturkey03 ,

Texto:

lewis.pakeman let us know what model your TV is. Once it has a black screen but maintains the sound, darken the room and shine a flashlight at an angle against the screen. If you can make out shapes/silhouettes etc. then you know that this is a backlight issue (bad backlight array or bad power supply) If it does not show anything, it is most likely a main or t-con board situation. Again, we need to know the exact model to assist you further.

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open