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Asus P7H55-M LX missing fet

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    Asus P7H55-M LX missing fet

    Hi there!
    I recently got an asus P7H55-M LX mobo, with a missing mosfet.
    The one missing is at position PU203, and I can´t get a high res pic so I can´t identify it, so I´m asking if any of you have one to please tell me wich code does it have.
    To further references, I´m adding a pic with the position of the mosfet.
    Thanks in advance
    Chad.
    Attached Files

    #2
    Re: Asus P7H55-M LX missing fet

    nobody? anybody? please help...

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      #3
      Re: Asus P7H55-M LX missing fet

      I have the non-LX version of that board (P7H55-M). It's slightly different, but I think I might have located the equivalent FET on it. On the board I have, it's between the two PCI-E X1 slots. It's a BCD Semiconductors AZ1085D.
      I love putting bad caps and flat batteries in fire and watching them explode!!

      No wonder it doesn't work! You installed the jumper wires backwards

      Main PC: Core i7 3770K 3.5GHz, Gigabyte GA-Z77M-D3H-MVP, 8GB Kingston HyperX DDR3 1600, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, CoolerMaster N200 Case, Delta DPS-600MB 600W PSU, Hauppauge TV Tuner, Windows 7 Home Premium

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        #4
        Re: Asus P7H55-M LX missing fet

        Is the board malfunctioning? What does it do?

        Different revs of the board may have certain parts removed. Are you sure there was a MOSFET there, even though soldered pads are present?
        Dell E7450 | i5-5300U | 16GB DDR3 | 256GB SSD

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          #5
          Re: Asus P7H55-M LX missing fet

          FYI

          http://diy.yesky.com/uploadImages/20...S_DSC03113.JPG

          UTC UZ1085L

          Comment


            #6
            Re: Asus P7H55-M LX missing fet

            Many many thanks to all of you!! I will buy (or recicle from scrap) this 3A ADJUSTABLE/FIXED LOW DROPOUT LINEAR REGULATOR and see how it goes... I will keep you updated.
            Thanks and good luck!!
            Chad

            Comment


              #7
              Re: Asus P7H55-M LX missing fet

              hi guys! how´s everyone? I have tested with two diferent 1085AD (adjustable) with no luck, fet overheat and the power led light but dim... if I try without that fet power led bright well but I think I have no power voltage as it doesn´t start.
              Does any of you have the shcematic for this mobo? or know how that 1085 should be working? no short on board, maybe a cap is bad or something.
              Any help would be really apreciated
              Thanks for reading and good luck

              Comment


                #8
                Re: Asus P7H55-M LX missing fet

                check for shorts between ground and the output pad/pin - it may be a bad ceramic capacitor.

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