samsung un65nu7100fxa replaced backlight and now top of the screen is dark

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[Problem]

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Hello, first thanks for reading!

I recently replaced the backlight of a Samsung un65nu7100fxa and when I put it back together the top of the screen was darker than the bottom. As pictured here:

https://photos.google.com/share/AF1QipOZKkYA85f9yRCE2FkKw4cz-8Dw0Cmi6ODwL2uX9f2eEhHuf8V32ceRmiaAQI8Apg?key=cmJDQk5oNE1xb2VnTW9MNUNubC1yaHRuZkQtaldn

The TV sat for about a month disassembled waiting for parts so it could be possible that one of the internals is out of place.

I had also been sent the wrong parts for the first time I had tried to repair the TV and they made a popping noise and could have messed with the power board.

I measured the voltages of the board and got 240 on the plus side and 80 on the minus.

Edit note: the TV has 180V on the back

Any and all advice is welcome and appreciated!

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Mrowe101

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Posted: 3 years ago
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