IC identifying/cross reference help?

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  • martino
    Not so "senior"
    • Aug 2013
    • 997
    • canada
    #1

    IC identifying/cross reference help?

    Hello,
    Little stuck on this IC,it's from an inverter board (ss1520hc24) out of a Toshiba 52HL167.
    Written on the IC
    4614
    BA7U1Y

    It's a little 8 pin.
    My phone is not working to take pic but here's the complete board of SJ.
    Seems that the one row of pins is all bridged together,I'm looking for something I can substitute the chip with or find an original...
    I cant seem to source this chip

    U203 is the one that is shorted.
    http://www.shopjimmy.com/samsung-lj9...t-inverter.htm
    Proud owner of dozens of broken TV's and many,many,many boards.


    Our website and passion:http://hollenhundshepherds.com/
    Tags: None
    • addytzu123
      Senior Member
      • Mar 2013
      • 54
      • ROMANIA
      #2
      Re: IC identifying/cross reference help?

      Hi!
      To me it looks to be a eight pin dual SMD mosfet,commonly used on inverter boards, like for example FDS4559.
      In a transistor circuit protected by a fuse, the transistor will always blow to protect the fuse.

        Comment

        • addytzu123
          Senior Member
          • Mar 2013
          • 54
          • ROMANIA
          #3
          Re: IC identifying/cross reference help?

          Or maybe would be this one : STC4614
          Attached Files
          In a transistor circuit protected by a fuse, the transistor will always blow to protect the fuse.

            Comment

            • martino
              Not so "senior"
              • Aug 2013
              • 997
              • canada
              #4
              Re: IC identifying/cross reference help?

              I have a 4612 here,could I use that?
              Proud owner of dozens of broken TV's and many,many,many boards.


              Our website and passion:http://hollenhundshepherds.com/

                Comment

                • ecking767
                  Badcaps Veteran
                  • Oct 2009
                  • 492
                  • USA
                  #5
                  Re: IC identifying/cross reference help?



                  https://cdn.badcaps-static.com/pdfs/...45c775edda.pdf

                  ao4614 is the part number

                    Comment

                    • martino
                      Not so "senior"
                      • Aug 2013
                      • 997
                      • canada
                      #6
                      Re: IC identifying/cross reference help?

                      thank you for the help
                      When you said "common" found in inverter boards,a light went up in my head,search my enormous pile of boards and low and behold,I had several boards with those chips on it
                      3 chips in parallel where fried,replaced them and TV is up and running...52" lcd 2007 but a very clear and sharp picture!!! Not bad for such an old TV....
                      Proud owner of dozens of broken TV's and many,many,many boards.


                      Our website and passion:http://hollenhundshepherds.com/

                        Comment

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