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LG 47lb580v

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    LG 47lb580v

    Hi guys
    Tv has flashing backlights
    Voltages
    12 v are 11.7
    24v are 23.7
    Drv-on 3.5
    Pw-on 3.5

    P801
    Voltages
    Pin 1 0.00 pin 3 145v fluctuating pin 5 0.00 pin 7 175v fluctuating
    Tried the backlight tester and the screen stays on with an image
    Also noticed on the main board bga has loads of dried flux possibly someone has tried heating the bga so tried gently heating up the main bga but now backlights don't flash on start up

    Thanks
    Attached Files

    #2
    Re: LG 47lb580v

    I've observed that LG LCD and LED TVs suffer from BGA issues that are cured sometimes with re-heating. I am contemplating not recommending LGs to my friends, family and customers. Oh, I almost forgot...They suffer from Backlight failure frequently, too.

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