Samsung un60eh6050 back-light working, but no picture or sound

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  • engelwood39
    Senior Member
    • Mar 2015
    • 93
    • United States
    #1

    Samsung un60eh6050 back-light working, but no picture or sound

    I have a Samsung un60eh6050 that the back-lighting comes on, but it has no picture and no sound. I was going to see if someone could point me in the right direction.

    Here are the voltages out of the power supply with everything still hooked up:
    1: B13V...12.78
    2: PWM_DIM...3.07
    3: B13V...12.78
    4: B13V...12.78
    5: Vamp...12.78
    6: BLU_ON/OFF...5.98
    7: Vamp...12.8
    8: GND...0
    9: GND...0
    10: GND...0
    11: B5V...5.4
    12: A5V...5.4
    13: B5V...5.4
    14: POWER ON/OFF...3.6

    Also I tested the T-Con board fuse and it had 12V on both sides.

    If there is anything else I need to test that may help please let me know.
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    • DXseekerMO
      Badcaps Legend
      • Feb 2018
      • 1119
      • US
      #2
      Re: Samsung un60eh6050 back-light working, but no picture or sound

      Timing control boards on these are known to fail in this mode. Search this site with your T-CON board number and see if you get a hit.
      They call me......."threadkiller"

        Comment

        • CapLeaker
          Leaking Member
          • Dec 2014
          • 7964
          • Canada
          #3
          Re: Samsung un60eh6050 back-light working, but no picture or sound

          check the LVDS on the main board with an oscilloscope, while turning the menu on and off all the time. Other than that, test all these little buck converters on the Tcon board. If you want to throw parts at it, change the Tcon first, as it is much cheaper to replace than a main board, plus the Tcon is known to fail.

            Comment

            • nomoresonys
              Badcaps Legend
              • Jan 2013
              • 12075
              • U.S.
              #4
              Re: Samsung un60eh6050 back-light working, but no picture or sound

              Must be a high demand for the tcon, shopjimmy wants twice as much for the tcon than the mainboard.

                Comment

                • bobbyskillz
                  Senior Member
                  • Dec 2010
                  • 75
                  • United States
                  #5
                  Re: Samsung un60eh6050 back-light working, but no picture or sound

                  I'm curious what components normally fail on t-con boards.

                    Comment

                    • jetadm123
                      Badcaps Legend
                      • Feb 2010
                      • 2169
                      #6
                      Re: Samsung un60eh6050 back-light working, but no picture or sound

                      I believe for this t-con, it's the ISL9860 chip. But that's for a TV with sound and no video. However, since you're also getting no sound, I would think it's something beyond the t-con.

                        Comment

                        • nomoresonys
                          Badcaps Legend
                          • Jan 2013
                          • 12075
                          • U.S.
                          #7
                          Re: Samsung un60eh6050 back-light working, but no picture or sound

                          Mainboard repair kit? https://www.shopjimmy.com/samsung-bn...eh6000fxza.htm

                            Comment

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