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TV doesnt have any power

Model #: UN58H5202AF

It randomly stopped working and would not power up. There is no standby light on either. Have tried a wall outlet as well. Any ideas? Also a rough estimate of fix cost?

https://imgur.com/a/DoiQkQw

This is a picture of the board.

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I am a bit concerned that the board is discolored near the top of the photo. That suggests excessive heat. Also, those diodes may require replacement. Since you don't even get the standby light, it suggests a catastrophic failure of the board. Check the main fuse for starters. Also, post a photo of the other side of the board.

Dan

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