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Screen flashing after led strip and power board replacement?

Hi,

So I have an lg50lf652v tv. All of a sudden it started flashing. I still have sound and you see the picture but it flashes on and off. I have replaced the led strips but it still did the same. I have just replaced the power board and it is still flashing.

What’s the next move?

Thanks for any help

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@alexjohnso27109 did you replace all of the strips? You do have the proper strips for your panel? You checked the strips ahead of time to make sure all the LED's are functioning? You checked your work/connection? Have you checked the voltage on the power board to make sure it stays stable? you checked the main board connection to the power board to ensure that the backlight on voltage does not fluctuate?

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