Samsung UN46H203AF Bad Backlights and Bad Power Supply

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  • Marian.Bella
    Member
    • Dec 2016
    • 12
    • Netherlands
    #21
    Re: Samsung UN46H203AF Bad Backlights and Bad Power Supply

    So, tv is fixed. Problem was in one strip. During first burning of LEDs somehow top coper layer was shorted to bottom cooling plate on 2 places, what makes shortcut and overburn new LEDs. I found those 2 spots, cut top layer, remove shortcut and back light is working again.

    PS: PSU BN44-00771A without connected backligth has 270-280V as normal.

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