Question horizontal purple-ish pixel bar along the top of the image

Aug 6, 2019
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TV output is great in darker scenes but in lighter/white scenes the TV has a horizontal purple-ish pixel bar along the top of the image. its a samsung series 6 58 inch. Was wondering if its a capacitor or a board i could replace?
here are some images to see what i mean.

https://ibb.co/K7GJkpm
https://ibb.co/Q8F3v8p
 
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