HP530 Not Charging

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  • ft102man
    New Member
    • Feb 2013
    • 4
    • England
    #1

    HP530 Not Charging

    hello all

    I got a hp530 on fleabay recently for a few bucks just for the screen really but the guy sent all the motherboard etc so I reassembled it all tried to power up but it would shut straight down. On further investigation I for PQ 3 to be burn't out of all recognition lucky I had a another faulty mobo. I replaced the ao4407 & to my joy the machine powered up stayed on until I pulled the charger plug out. Does anybody know which other mosfet stop the thing running & charging the battery please or does anybody have a schematic of the power/charging circuits on the mobo.


    Thanks

    Stan

    England
    Last edited by ft102man; 02-10-2013, 09:04 AM. Reason: forgot to add something
    Tags: None
    • spidey
      climbs
      • Dec 2012
      • 644
      • Cyprus
      #2
      Re: HP530 Not Charging

      try to change 2 mosfets. usually if the one is bad the other is also bad.

        Comment

        • ft102man
          New Member
          • Feb 2013
          • 4
          • England
          #3
          Re: HP530 Not Charging

          hi
          which 2 mosfets PQ? & PQ?
          I already changed PQ3 do you mean PQ4 on the other side of the board?

          thanks

            Comment

            • spidey
              climbs
              • Dec 2012
              • 644
              • Cyprus
              #4
              Re: HP530 Not Charging

              usually there 2 mosfets connected. i need to see the schemtic or pic. i'll try to find the schematic tomorrow.

                Comment

                • ft102man
                  New Member
                  • Feb 2013
                  • 4
                  • England
                  #5
                  Re: HP530 Not Charging

                  yeh I seen the schematic and it is PQ4 connected to it on the opposite side of the board. Can you confirm this so I don't look a complete idiot!

                  thanks

                    Comment

                    • spidey
                      climbs
                      • Dec 2012
                      • 644
                      • Cyprus
                      #6
                      Re: HP530 Not Charging

                      its 01:32 am here now, morning when i arrive to work i'll find the schematics then i can confirm.

                        Comment

                        • ft102man
                          New Member
                          • Feb 2013
                          • 4
                          • England
                          #7
                          Re: HP530 Not Charging

                          ok fine you better get to bed then!

                          cheers

                            Comment

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