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Fulty LG 60PB690V dark screen

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    Fulty LG 60PB690V dark screen

    I got faulty plasma LG 60PB690V with no picture and no sound . Just click on with nothing on the screen. Also no signs of life on the main logic board (5V Dc present). Checked power supploy and voltage is as should be (205VDC, 55DC, 17V, etc.). Found no 18V comming from Y-sus to X-sus. Y-sus was repaired by professional and 18V Dc was fine. Picture came on and gone of in the split of the second and goes dark. Bought X-sus from Ebay (from broken screen TV) and no changes. Main logic control board LED is on and blinks in pattern: long, short, short pause, long, short, long pause. I couldn't find blink error codes on net for LG. Could be main AV board also faulty? Please, help.
    Thank you

    #2
    Re: Fulty LG 60PB690V dark screen

    Sorry. Instead of X-sus should be Z-sus. I tried with second hand Z-sus and picture is still dark

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