Sony KDL-32BX330

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  • SEAWOLF
    Senior Member
    • Nov 2011
    • 177
    • Barbados West Indies.
    #1

    Sony KDL-32BX330

    I have a Sony KDL-32BX33O to service which has a blown fuse in the secondary side of the power supply. I have checked diodes and transistors and
    I have not found any to be shorted, and I have replaced the fuse and it has blown again.Can anyone offer a solution to this problem?
    Attached Files
    Tags: None
    • dick_barton
      Badcaps Legend
      • Aug 2015
      • 6642
      • Wales
      #2
      Re: Sony KDL-32BX330

      The picture of the power supply is not very clear so difficult to tell anything from it. Can you post sharper clearer pictures.

      Check the two diodes, the bridge rectifier and the mosfet alongside. For a fuse to blow some component is probably shorted.
      Attached Files
      Last edited by dick_barton; 04-20-2018, 02:00 PM.
      Willing to help but I'm no expert.

        Comment

        • budm
          Badcaps Legend
          • Feb 2010
          • 40746
          • USA
          #3
          Re: Sony KDL-32BX330

          Can we get better focused clear pictures of the top and bottom side of the power supply board?
          I see two fuses on the hot side, one in the main ac INPUT, small one in the STBY POWER supply hot side. I do not see fuse on the cold side looking at your pictures.
          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

            • anmol
              Senior Member
              • Mar 2012
              • 73
              • India
              #4
              Re: Sony KDL-32BX330

              Originally posted by SEAWOLF
              I have a Sony KDL-32BX33O to service which has a blown fuse in the secondary side of the power supply. I have checked diodes and transistors and
              I have not found any to be shorted, and I have replaced the fuse and it has blown again.Can anyone offer a solution to this problem?
              Thanks to
              Julio C. mejia
              Regards.
              Attached Files

                Comment

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