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The Samsung UN55KS9000F 55-inch 4K SUHD TV is a flat panel 2160P TV. Released from Samsung in 2016. Model number: UN55KS9000FXZA.

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Samsung mu9000 Large moving light dot.

I am looking at buying this TV.There is a fairly large shifting

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white circle on upper edge of screen on menu and some streaming sources.Wondering if this can be fixed.I think it is edge lit so I am puzzled what this could be.Thanks for any advice.

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@zook5972 this could be a delaminated LED on your backlight strip. Those however usually show up behind the video and not in front off it, hard to tell on your images. You will have to disassemble your LCD panel to determine the exact cause for it. Worst case would be a bad panel. So if you are going to purchase it, buyer beware and make sure you do not overpay.

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Thanks.This is edge LED so I can't figure how

that would cause this dot especially with it changing position.Not my TV was thinking of buying it then this issue arose.

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If it delaminates it loses the diffusion and can appear as a circle. When you refer to it as moving do you mean that it expands or does it show up in different locations?

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David N Phillips さん、ありがとうございました!
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