Samsung LNT3232HX-XAA

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  • budm
    Badcaps Legend
    • Feb 2010
    • 40746
    • USA

    #1

    Samsung LNT3232HX-XAA

    Just got one in for repair today: it has no backlights, sound is OK.
    Found bad caps in power supply and blown 0.25A fuse in the inverter board that supplys the power to the PWM IC.
    Attached Files
    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
  • kevinm34232
    Badcaps Legend
    • May 2012
    • 1884
    • USA

    #2
    Re: Samsung LNT3232HX-XAA

    So inverter board fuse was blown and you replaced it and everything was good (besides the caps you mentioned)??

    Comment

    • tom66
      EVs Rule
      • Apr 2011
      • 32560
      • UK

      #3
      Re: Samsung LNT3232HX-XAA

      Failed CapXon? They never fail!
      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

      • budm
        Badcaps Legend
        • Feb 2010
        • 40746
        • USA

        #4
        Re: Samsung LNT3232HX-XAA

        @kevin, yes, that's about it. Burn it in for 24 hours before giving it back to the customer.
        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

        • kevinm34232
          Badcaps Legend
          • May 2012
          • 1884
          • USA

          #5
          Re: Samsung LNT3232HX-XAA

          Good deal.. My last name being Murphy, out of 30+ tv's I think just one had bad caps. Maybe my next 30?!?

          Comment

          • tom66
            EVs Rule
            • Apr 2011
            • 32560
            • UK

            #6
            Re: Samsung LNT3232HX-XAA

            I've had maybe 5 or 6 out of 35.
            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

            • kevinm34232
              Badcaps Legend
              • May 2012
              • 1884
              • USA

              #7
              Re: Samsung LNT3232HX-XAA

              To be fair I've had a lot of broken screens, but it seems everything else has been quite a challenge if not a guessing game...

              Comment

              • blee1099
                New Member
                • Apr 2012
                • 7
                • USA

                #8
                Re: Samsung LNT3232HX-XAA

                Was that the 10v 2200uF ones that failed on em? I had a job where we had 15 of those units fail at a hotel.. Had to go from room to room repairing them.. Took me almost the entire day having to setup my work table, equipment, etc then re-pack everything to go to the next room.

                Comment

                • budm
                  Badcaps Legend
                  • Feb 2010
                  • 40746
                  • USA

                  #9
                  Re: Samsung LNT3232HX-XAA

                  Yes, 2200/10V for the standby 5V, and 1000/35V for the 24V. I changed all the caps in the secondary side.
                  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

                  • SirBullet
                    New Member
                    • Oct 2012
                    • 1
                    • USA

                    #10
                    Re: Samsung LNT3232HX-XAA

                    @budm, dude thanks so much. I'm a retired industrial electronics guy. never attempted a tv repair until today. your post made it childs play. keep up the good work. the pics helped alot in helping my ailing eyes spot the board level components. thanks a bunch.

                    Comment

                    • Pentium4
                      CapXon Be Gone
                      • Sep 2011
                      • 3741
                      • USA

                      #11
                      Re: Samsung LNT3232HX-XAA

                      Originally posted by tom66
                      I've had maybe 5 or 6 out of 35.
                      Interesting. Do you still recap them if they're garbage caps? budm, nice job!!! Thanks for uploading all the pictures.

                      Comment

                      • tom66
                        EVs Rule
                        • Apr 2011
                        • 32560
                        • UK

                        #12
                        Re: Samsung LNT3232HX-XAA

                        Originally posted by Pentium4
                        Interesting. Do you still recap them if they're garbage caps? budm, nice job!!! Thanks for uploading all the pictures.
                        I do sometimes if they are known bad like capxon.
                        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

                        • budm
                          Badcaps Legend
                          • Feb 2010
                          • 40746
                          • USA

                          #13
                          Re: Samsung LNT3232HX-XAA

                          More pictures here if you care to look and see if you are working on the same model.
                          http://s807.photobucket.com/albums/yy352/budm/
                          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

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