Samsung PD27AOQ (BN44-00506B) constantly blowing internal fuse.

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  • Tips
    Member
    • Feb 2014
    • 15
    • UK
    #1

    Samsung PD27AOQ (BN44-00506B) constantly blowing internal fuse.

    Looking for some assistance please.
    Trying to repair a PD27AOQ samsung power board.
    Initially had the typical problem of cm806 capacitor blown, additionally thermistor NT801s blown.
    Replaced the ceramic capacitor, str60252s, bridge rectifier, thermistor and fuse.
    Testing it the fuse blows immediately power is turned on.
    diodes dm852 and dm853 test as shorted when in the board but fine when removed.
    any assistance, guidance would be appreciated.
    Tags: None
    • EazyBone
      Badcaps Legend
      • Jun 2023
      • 1320
      • United states
      #2
      Pictures.we don't have boards by memory

        Comment

        • Tips
          Member
          • Feb 2014
          • 15
          • UK
          #3
          Sorry, my bad.
          Attached as requested, and thank you for your response
          Attached Files

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            • EazyBone
              Badcaps Legend
              • Jun 2023
              • 1320
              • United states
              #4
              What about that mosfets, are any of 3 legs shorted with each other?

                Comment

                • Tips
                  Member
                  • Feb 2014
                  • 15
                  • UK
                  #5
                  No shorts on them, all testing ok.

                    Comment

                    • ajc333
                      Member
                      • Mar 2017
                      • 12
                      • Poland
                      #6
                      Hi, what is the name of thermistor on NT801s, because, in my board it is blown up too?

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