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cyclonue
New Member
Last Activity: 05-18-2020, 01:33 PM
Joined: 05-13-2020
Location: Montreal Quebec
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  • Toshiba 43L310U backlight not turning on

    So I took apart the TV to get the backlights.

    I measured the voltage across each LED strip (there are pads exposed for + and -). For 7 of the strips I measured 7.5-8.5VDC, except for 1 strip that measured 108VDC. There are two wire pairs that connect the left and right sides, I measured from that source and one measurement was 180VDC, the other was zero (maybe I just wasn't pressing down hard enough on the connectors). When measuring on the exposed pads I can see the other LED strips light up faintly, while the one I'm measuring remains off.

    Before I go buying anything...
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  • Re: New Members - please post your introductions here

    Hello, I'm trying to fix my toshiba tv, backlights aren't working, I think found the broken strip, but I looking for more detailed advice on how to do the repair. Just replace that one led strip or do I bother replacing the power supply as well.
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