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Samsung tv no backlight

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    #21
    Re: Samsung tv no backlight

    I have the same issue, I already replaced all busted back light but still no light and red blinking. I replaced the 1 ohm resistor near pin1 D+, I thought that was the issue since it looks open, but still no light on display. Any other suggestions?

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      #22
      Re: Samsung tv no backlight

      I am having same problem,
      power supply is: BN44 - 00666A
      Tv model: Samsung UN40EH5000

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        #23
        Re: Samsung tv no backlight

        Originally posted by aminkhafan View Post
        I am having same problem,
        power supply is: BN44 - 00666A
        Tv model: Samsung UN40EH5000
        Are you getting the same Voltage readings as shown in post #3? If you do then read the rest of the threads.
        Never stop learning
        Basic LCD TV and Monitor troubleshooting guides.
        http://www.badcaps.net/forum/showthr...956#post305956

        Voltage Regulator (LDO) testing:
        http://www.badcaps.net/forum/showthr...999#post300999

        Inverter testing using old CFL:
        http://www.badcaps.net/forum/showthr...er+testing+cfl

        Tear down pictures : Hit the ">" Show Albums and stories" on the left side
        http://s807.photobucket.com/user/budm/library/

        TV Factory reset codes listing:
        http://www.badcaps.net/forum/showthread.php?t=24809

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          #24
          Re: Samsung tv no backlight

          Hi,
          I have a similar issue.
          TV model: UE40EH5300k
          Power supply BN44-00666A (L40GF_DDY)
          Replaced LED strips (all 3) and it worked for a few minutes then burned LEDs on one strip.
          Voltage on D+ is around 190V.

          Anyone found a solution to this issue?

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