Which resistor should I remove/replace to decrease current to backlight leds?

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  • unimatrix93
    Badcaps Veteran
    • Oct 2021
    • 339
    • Magyarország

    #1

    Which resistor should I remove/replace to decrease current to backlight leds?

    Dear community, I want to increase the lifespan of my backlight led in my TV by decreasing the current.

    However I need some help identifying the resistor I need to replace to achieve this.

    Thank you!
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  • CapLeaker
    Leaking Member
    • Dec 2014
    • 8056
    • Canada

    #2
    Why don’t you just turn the backlight setting in the OSD down?

    Comment

    • unimatrix93
      Badcaps Veteran
      • Oct 2021
      • 339
      • Magyarország

      #3
      Originally posted by CapLeaker
      Why don’t you just turn the backlight setting in the OSD down?
      Good idea, but the tv doesn't have a setting for backlight brightness, only eco mode. 😅

      Comment

      • CapLeaker
        Leaking Member
        • Dec 2014
        • 8056
        • Canada

        #4
        What is the TV brand and model?
        Look at the DIM pins on the schematic. Funny thing… the TV is capable of dimming the backlights but the firmware doesn’t include that setting.
        Last edited by CapLeaker; 11-29-2024, 05:32 AM.

        Comment

        • unimatrix93
          Badcaps Veteran
          • Oct 2021
          • 339
          • Magyarország

          #5
          Originally posted by CapLeaker
          What is the TV brand and model?
          Look at the DIM pins on the schematic. Funny thing… the TV is capable of dimming the backlights but the firmware doesn't include that setting.
          It's a Phillips 49PUS6550. The mainboard is 715G6973
          .

          Comment

          • Diah
            Badcaps Legend
            • Feb 2013
            • 6355
            • Germany

            #6
            Originally posted by unimatrix93

            Good idea, but the tv doesn't have a setting for backlight brightness, only eco mode. 😅
            turn off the ECO mode....you will be able to adjust

            Comment

            • KYBOSH
              Badcaps Veteran
              • Oct 2011
              • 581
              • Unknown

              #7
              Originally posted by unimatrix93

              It's a Phillips 49PUS6550. The mainboard is 715G6973
              .
              https://www.manua.ls/philips/49pus6551/manual?p=50
              Also shows how to adjust the brightness.

              Comment

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