Help m boarde Locate 3v/5v regulating IC in Toshiba S300

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  • IamPritesh
    Badcaps Veteran
    • Aug 2017
    • 356
    • India
    #1

    Help m boarde Locate 3v/5v regulating IC in Toshiba S300

    I am unable to find the power regulating IC for 3V/5V . Pics attached so if anyone has worked on this board before, please help.


    I have also attached a schematic not sure if that is a correct one.
    Attached Files
    Tags: None
    • JaroTech
      Badcaps Veteran
      • Mar 2015
      • 351
      • Canada
      #2
      Re: Help m boarde Locate 3v/5v regulating IC in Toshiba S300

      On page 101 of the schematics, IC9255 is your controller for the 3.3V and 5V. The chip is a ROHM BD9526MUV, on the motherboard it will be a 32 pins chip marking D9526, hope this will help you.

        Comment

        • IamPritesh
          Badcaps Veteran
          • Aug 2017
          • 356
          • India
          #3
          Re: Help m boarde Locate 3v/5v regulating IC in Toshiba S300

          Originally posted by JaroTech
          On page 101 of the schematics, IC9255 is your controller for the 3.3V and 5V. The chip is a ROHM BD9526MUV, on the motherboard it will be a 32 pins chip marking D9526, hope this will help you.
          I can see that on the schematic but not found on the board .

            Comment

            • ktmmotocross
              Boardkiller
              • Feb 2014
              • 3577
              • slovakia
              #4
              Re: Help m boarde Locate 3v/5v regulating IC in Toshiba S300

              it looks like this
              Attached Files

                Comment

                • IamPritesh
                  Badcaps Veteran
                  • Aug 2017
                  • 356
                  • India
                  #5
                  Re: Help m boarde Locate 3v/5v regulating IC in Toshiba S300

                  Originally posted by ktmmotocross
                  it looks like this
                  Thanks .. the strange thing is I do not see any such 32 pin chip on this board which is why I have posted the images of the board.

                    Comment

                    • JaroTech
                      Badcaps Veteran
                      • Mar 2015
                      • 351
                      • Canada
                      #6
                      Re: Help m boarde Locate 3v/5v regulating IC in Toshiba S300

                      Are you sure you have the right schematics for your motherboard? I don't see any numbers or letters on your photos that could identify the model.

                        Comment

                        • peste
                          Super Moderator
                          • Dec 2016
                          • 12652
                          • ROMANIA
                          #7
                          Re: Help m boarde Locate 3v/5v regulating IC in Toshiba S300

                          I think this is the motherboard for Tecra M10 A10 Satellite Pro S300, A5A002376010A, you have a chip on the board with 28 pins, 14x14 see how it's called from the picture is not very visible.
                          Last edited by peste; 03-25-2019, 01:13 AM.
                          Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

                          >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

                          Every donation made will go towards server fees and maintenance costs.

                            Comment

                            • piernov
                              Super Moderator
                              • Jan 2016
                              • 4435
                              • France
                              #8
                              Re: Help m boarde Locate 3v/5v regulating IC in Toshiba S300

                              Here are the 3V and 5V inductors, so regulator may not be very far away. Dunno, maybe under a card reader?
                              Attached Files
                              OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

                                Comment

                                • ktmmotocross
                                  Boardkiller
                                  • Feb 2014
                                  • 3577
                                  • slovakia
                                  #9
                                  Re: Help m boarde Locate 3v/5v regulating IC in Toshiba S300

                                  Originally posted by piernov
                                  Here are the 3V and 5V inductors, so regulator may not be very far away. Dunno, maybe under a card reader?
                                  mostly on the other side of board

                                    Comment

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