Question Jvc lt50c550 won't turn on. Screen flashes then goes off.

Jun 9, 2020
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I've taken the back off and can't see anything obviously damaged but I don't really know what I'm looking at. I know none of the capacitors are swollen and I've checked the wires are secure. The only thing I can see is a little burning on the board around the diodes, could this be the problem?
 

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