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Lg 42lk450-ub

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    Lg 42lk450-ub

    Backlight flicker then turns off then it would not even turn on. There was no PS-on comand. Replaced board and it had on command but no inverter on. Got another main board EBR7330888162. It only worked a short while to trouble shoot set. It to stopped giving the PS-on. I then removed cable to main board. Jumped PS -on, Inv-on and A-dim.
    Backlight came on only a short time. The 24vdc to PS is fine. Is it the inverter?
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