Hp-530

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  • valcon
    New Member
    • Apr 2012
    • 2
    • jordan
    #1

    Hp-530

    Dear all,

    i have HP-530 motherboard, shorted power circuit & repaird previously and i need the mosfet no's for PQ3, PQ4, PQ36 & PQ39 or any equivalent for it.

    when i pluged to charge the charger go off


    thanks
    Tags: None
    • Nocta
      Senior Member
      • Mar 2012
      • 117
      • Argentina
      #2
      Re: Hp-530

      What's the number of the mosfet? Have you tried looking for equivalents on alldatasheet?

        Comment

        • b700029
          Banned
          • Sep 2010
          • 640
          #3
          Re: Hp-530

          These are in the vcore controller circuit:
          PQ36 SI4684DY-T1-E3_SO8
          PQ39 SI4684DY-T1-E3_SO8

          https://cdn.badcaps-static.com/pdfs/...5f0dc702c5.pdf

          These are for main power switching:
          PQ3 FDS4435BZ_SO8
          PQ4 FDS4435BZ_SO8



          From schematic:

            Comment

            • valcon
              New Member
              • Apr 2012
              • 2
              • jordan
              #4
              Re: Hp-530

              Thank you b700029, the motherboard was repaired in the past by other, when i checked it i noticed that the PQ36 & PQ39 replaced with 4474 and 4433 mosfet, the PQ3 & PQ4 soldered and the no's for it not cleared.

              Thank you again.

                Comment

                • cpp
                  New Member
                  • Dec 2009
                  • 9
                  #5
                  Re: Hp-530

                  I have the same board for repair,PQ 38,37,40 and 41 shorted,
                  there are FDS6676AS,

                  in my board PQ 36 and 39 are AD4684 (not sure for the brand)
                  and PQ 3 ,4 are AO4433

                    Comment

                    • luktech
                      Member
                      • Apr 2013
                      • 12
                      • Nigeria
                      #6
                      Re: Hp-530

                      hi. Mine is a no power fault. I measured the value of the pin 1-4 of q4 to be 18.5v but the output pin 5- 8 is 0.3v. Could it be the cause. If yes can i use the Q4 of other board.

                        Comment

                        • spidey
                          climbs
                          • Dec 2012
                          • 648
                          • Cyprus
                          #7
                          Re: Hp-530

                          Did you checked the date of last message ?
                          it is better to make a new thread with more information, your board model, measurements, maybe some photos.

                            Comment

                            • luktech
                              Member
                              • Apr 2013
                              • 12
                              • Nigeria
                              #8
                              Re: Hp-530

                              I cant find where to post new thread. Pls how will I.

                                Comment

                                • spidey
                                  climbs
                                  • Dec 2012
                                  • 648
                                  • Cyprus
                                  #9
                                  Re: Hp-530

                                  https://www.badcaps.net/forum/forumdisplay.php?f=23

                                  check upper-left corner there is a new thread button..

                                    Comment

                                    • luktech
                                      Member
                                      • Apr 2013
                                      • 12
                                      • Nigeria
                                      #10
                                      Re: Hp-530

                                      thanks.

                                        Comment

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