Samsung UN65NU8000FXZA Problem Turn on and off

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Hello this Problem is common with its brand
only need to remove the ic chips  and the tv will be working if does not work you have to cut the ribbon cable and look at the video to guide you trough
Samsung LG
Samsung bad screen  
QN65 bad screen
All Qled have the send problem in the screen
Samsung Q90T
Samsung Q800T
Samsung Q70T
Samsung Q60T
Samsung  Series 6 7 8 this tvs have the send problem