Having trouble locating the following part

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  • electrobe
    Senior Member
    • Sep 2012
    • 70
    • usa

    #1

    Having trouble locating the following part

    I would appreciate any help locating the following part. It is a switching transformer with the following identification marks.

    S 80GL17T-900-V
    TPV-B1 0645
  • selldoor
    Slow Learner
    • Dec 2010
    • 7870

    #2
    Re: Having trouble locating the following part

    Pictures are always a good idea
    Please upload pictures using attachment function when ask for help on the repair
    http://www.badcaps.net/forum/showthread.php?t=39740

    Comment

    • electrobe
      Senior Member
      • Sep 2012
      • 70
      • usa

      #3
      Re: Having trouble locating the following part

      Here is the photo that you have requested.
      Attached Files

      Comment

      • tom66
        EVs Rule
        • Apr 2011
        • 32560
        • UK

        #4
        Re: Having trouble locating the following part

        Unfortunately, you won't find a replacement part -- it will be custom made for this power supply.

        What makes you think it has failed and requires replacement?
        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

        • Rtech
          Badcaps Legend
          • Jul 2010
          • 1095

          #5
          Re: Having trouble locating the following part

          I have never seen one of these fail,but of course there is always a first time.

          Comment

          • electrobe
            Senior Member
            • Sep 2012
            • 70
            • usa

            #6
            Re: Having trouble locating the following part

            I think there may be something wrong with it because when I checked the voltage at C927 in the center of the board the power fluctuates up & down. Even when I replaced it with a new cap it did the same. When I checked connector output voltage CN951 the voltage on the pins were not enough to initiate a start voltage on IC chip. I pulled the diodes & checked them & they were good so I am at a stand still at the moment. I am not sure if I should replace the rest of the caps or if the board should just be replaced.
            Attached Files

            Comment

            • tom66
              EVs Rule
              • Apr 2011
              • 32560
              • UK

              #7
              Re: Having trouble locating the following part

              That can be indicative of a short circuit or bad PWM controller.
              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

              • selldoor
                Slow Learner
                • Dec 2010
                • 7870

                #8
                Re: Having trouble locating the following part

                Is the voltage on the main BIG cap steady? If that is an Elite it may not be good.

                Are you doing the voltage checks with it all connected under load.

                What was the initial problem - doesnt switch on?
                Last edited by selldoor; 11-20-2012, 02:57 PM.
                Please upload pictures using attachment function when ask for help on the repair
                http://www.badcaps.net/forum/showthread.php?t=39740

                Comment

                • electrobe
                  Senior Member
                  • Sep 2012
                  • 70
                  • usa

                  #9
                  Re: Having trouble locating the following part

                  The initial problem was it didn't switch on. I started checking with everything unplugged from the power board with the power board being my first starting point since it didn't turn on (no life at all). The large cap has steady voltage, the diodes were good because I desoldered them & checked.

                  Comment

                  • budm
                    Badcaps Legend
                    • Feb 2010
                    • 40746
                    • USA

                    #10
                    Re: Having trouble locating the following part

                    What is the make and the model number of this monitor?
                    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

                    • selldoor
                      Slow Learner
                      • Dec 2010
                      • 7870

                      #11
                      Re: Having trouble locating the following part

                      Originally posted by electrobe
                      The initial problem was it didn't switch on. I started checking with everything unplugged from the power board with the power board being my first starting point since it didn't turn on (no life at all). The large cap has steady voltage, the diodes were good because I desoldered them & checked.
                      You cant really have both? I suggest you connect all the boards and do the voltage checks - some need the load and some voltages may not even start if the main board is not connected to the power supply.
                      Please upload pictures using attachment function when ask for help on the repair
                      http://www.badcaps.net/forum/showthread.php?t=39740

                      Comment

                      • FIXITNOW
                        Senior Member
                        • Jun 2008
                        • 128
                        • UK

                        #12
                        Re: Having trouble locating the following part

                        Originally posted by budm
                        What is the make and the model number of this monitor?
                        this would help one of us will have seen one

                        Comment

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