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Sceptre E55 no power no led light. Help!!!

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    #1

    Sceptre E55 no power no led light. Help!!!

    Ok so I have a 55 inch Sceptre E55 that the person said they were watch then it just shut off and never came back on. What should I check and how to go about it. I have a multimeter so I can follow any direction you give. Thx

    Also says sceptre version # on case A1AV93BA
    Attached Files
    Last edited by Shibbybag; 01-16-2019, 01:14 PM. Reason: Add other #
    Tags: None
    #2
    Re: Sceptre E55 no power no led light. Help!!!

    Look at the power supply board connectors to see if there are pin labels printed on the top or the bottom side of the board or not.
    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

    Comment

      #3
      Re: Sceptre E55 no power no led light. Help!!!

      first check fuses .

      Comment

        #4
        Re: Sceptre E55 no power no led light. Help!!!

        Originally posted by petehall347 View Post
        first check fuses .
        I hope OP at least did the fuse check without giving instruction.
        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

        Comment

          #5
          Re: Sceptre E55 no power no led light. Help!!!

          Originally posted by budm View Post
          I hope OP at least did the fuse check without giving instruction.
          multi-meter set to 200 ohms setting for fuses .

          Comment

            #6
            Re: Sceptre E55 no power no led light. Help!!!

            Ok so here's the pics I haven't checked the fuse I'm assuming the last picture is the fuse.how do I test that?
            Attached Files

            Comment

              #7
              Re: Sceptre E55 no power no led light. Help!!!

              Not seeing a fuse?

              Comment

                #8
                Re: Sceptre E55 no power no led light. Help!!!

                The fuse (red square) will check like a short with meter in ohms test (same as meter leads shoted together)
                If the fuse is ok, connect it back into the tv and check if you have 5VSB. 5 volts dc standby voltage
                Last edited by R_J; 01-17-2019, 04:12 PM.

                Comment

                  #9
                  Re: Sceptre E55 no power no led light. Help!!!

                  Originally posted by R_J View Post
                  The fuse (red square) will check like a short with meter in ohms test (same as meter leads shoted together)
                  If the fuse is ok, connect it back into the tv and check if you have 5VSB. 5 volts dc standby voltage
                  So I just check it from underneath the board right? If so when I test it nothing happens my meter just stays on OL

                  Comment

                    #10
                    Re: Sceptre E55 no power no led light. Help!!!

                    Test in diode mode, if you have a meter that beeps when you touch the probes together, if fuse beeps it should be ok, probe on each end of fuse, make sure you have the proper two points on bottom of board.
                    Last edited by nomoresonys; 01-18-2019, 09:10 AM.

                    Comment

                      #11
                      Re: Sceptre E55 no power no led light. Help!!!

                      A common failure seems to be D10 & D11, check them in diode mode to see if they are shorted or not.

                      Comment

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