Samsung LN46c650l1fxza no blacklight

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  • evilhero
    Member
    • May 2011
    • 17

    #21
    Re: Samsung LN46c650l1fxza no blacklight

    if that the case shouldn't I get a blacklight on when I unplug the cn802?

    Comment

    • tom66
      EVs Rule
      • Apr 2011
      • 32560
      • UK

      #22
      Re: Samsung LN46c650l1fxza no blacklight

      Yes...
      Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
      For service manual, schematic, boardview (board view), datasheet, cad - use our search.

      Comment

      • evilhero
        Member
        • May 2011
        • 17

        #23
        Re: Samsung LN46c650l1fxza no blacklight

        do you think that one of the ccfl is bad or transformer?

        Comment

        • johnboy1313
          Badcaps Legend
          • Nov 2012
          • 1959
          • USA

          #24
          Re: Samsung LN46c650l1fxza no blacklight

          In my experience with bad ccfl's, you get a brief back light that shuts off after a second or two.

          Comment

          • johnboy1313
            Badcaps Legend
            • Nov 2012
            • 1959
            • USA

            #25
            Re: Samsung LN46c650l1fxza no blacklight

            This may help

            http://www.youtube.com/watch?v=oE6K4...ature=youtu.be

            Comment

            • evilhero
              Member
              • May 2011
              • 17

              #26
              Re: Samsung LN46c650l1fxza no blacklight

              yeah, but the problem is I'm not getting a flash of light on the blacklight therefore ccfl is working. I'm not getting any current or voltage to the inverterboard board on the cni801 which I believe to be 1k volt? Something is shutdown the power to the inverter. Could be a mainboard but was told when u disconnect the main board the black light should come on. So I'm kinda loss what to do next? Thank for the great awesome response help me understand electronic better.

              Comment

              • johnboy1313
                Badcaps Legend
                • Nov 2012
                • 1959
                • USA

                #27
                Re: Samsung LN46c650l1fxza no blacklight

                Yes, the back light should come on and stay on with the main board disconnected.

                Comment

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