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Help - how to test an inverter transformer

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    #21
    Re: Help - how to test an inverter transformer

    Originally posted by budm View Post
    How about the pictures of the top side of the board? and also the whole board both sides.
    What is the make and model of this product you are working on? The more information we get the more we can help.
    It looks to be correct as you have marked for the High Voltage secondary winding.
    I am currently reading the ebook of Jestine Yong - LCD Monitor Repair and that is from where I have brought that screenshot. I am trying to learn more about electronics and lcd repairs.

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      #22
      Re: Help - how to test an inverter transformer

      Jestine Yong

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        #23
        Re: Help - how to test an inverter transformer

        Originally posted by budm View Post
        How about the pictures of the top side of the board? and also the whole board both sides.
        What is the make and model of this product you are working on? The more information we get the more we can help.
        It looks to be correct as you have marked for the High Voltage secondary winding.
        Can you please let me help me understand how can I know which is the right transformer to be used as replacement of the current transformer?

        Comment


          #24
          Re: Help - how to test an inverter transformer

          Originally posted by matthmal View Post
          Can you please let me help me understand how can I know which is the right transformer to be used as replacement of the current transformer?
          But we do not know what the CURRENT TRANSFORMER YOU HAVE, so far you show us the pictures of the transformer from EBAY and from Yong and no pictures of your transformer or the make and the model of what you are working on, how can we when you are not provide good clear information that I already asked for (post 20)?
          And your reply is "I am currently reading the ebook of Jestine Yong - LCD Monitor Repair and that is from where I have brought that screenshot. I am trying to learn more about electronics and lcd repairs."
          Last edited by budm; 10-06-2015, 08:51 AM.
          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


            #25
            Re: Help - how to test an inverter transformer

            Originally posted by budm View Post
            But we do not know what the CURRENT TRANSFORMER YOU HAVE, so far you show us the pictures of the transformer from EBAY and from Yong and no pictures of your transformer or the make and the model of what you are working on, how can we when you are not provide good clear information that I already asked for (post 20)?
            And your reply is "I am currently reading the ebook of Jestine Yong - LCD Monitor Repair and that is from where I have brought that screenshot. I am trying to learn more about electronics and lcd repairs."
            I do not have a transformer to replace, i am just trying to understand how to know which transformer to use as a replacement if you have a faulty one.

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              #26
              Re: Help - how to test an inverter transformer

              You replace with a transformer of the same part number and/or specification just like any component. It depends on the one used and they are not all the same, therefor not interchangeable.
              Last edited by SteveNielsen; 10-06-2015, 09:31 AM.

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                #27
                Re: Help - how to test an inverter transformer

                Originally posted by matthmal View Post
                I do not have a transformer to replace, i am just trying to understand how to know which transformer to use as a replacement if you have a faulty one.
                Unless you know the details of the original transformer spec.
                https://cdn.badcaps-static.com/pdfs/...7742ac8767.pdf

                It is very complicate. You just do not put one transformer in place of the other unless you know what the exact requirement of the circuits, the transformer, the loads. etc.
                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


                  #28
                  Re: Help - how to test an inverter transformer

                  thanks for the help guys !

                  Comment

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