LE55A6R9A - Video no backlight. SOLVED

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  • knoxrebel
    Senior Member
    • Oct 2009
    • 168

    #1

    LE55A6R9A - Video no backlight. SOLVED

    Confirmed voltage at CN202 (266) and CN203 ~187 Disassembled unit down to backlights and found no visual signs of led damage. Luckily my DMM puts out enough voltage to get the leds to barely light up in diode mode. I was able to locate failed open led, and after shorting it the backlights are working properly.

    ***I would not suggest shorting across led, unless just for short time (testing purposes) as all leds are likely in series.

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