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Contribution d'origine par : oldturkey03 ,


'''Patrik Bajusz'''   that will depend on how dark is dark. If your backlight have totally failed you will usually need a flashlight etc. toe even make out shapes or silhouettes. In your case it could be a power board not supplying enough voltage to the backlight LED’s or, based on this “once I touched the bottom center of the tv (the frame) to lift it up, the whole display worked fine just for some seconds.  “ some loose connection to the backlights. Check all of your wires by reseating them. Check the boards for cold solder joints. There is also a slight possibility that this is the T-con board since it could be a failed Gamma IC which could darken your screen.