RV511 Problem

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  • String2016
    Badcaps Legend
    • Nov 2015
    • 2229
    • philippines

    #1

    RV511 Problem

    https://www.badcaps.net/forum/showthread.php?t=78845

    I tried above still the same issue turns on fan at full speed but no display already tried the bios of piernov on this thread same result. maybe the PCH is dead
    Last edited by SMDFlea; 08-19-2019, 08:33 AM.
  • mcplslg123
    Badcaps Legend
    • Jun 2015
    • 7262
    • india

    #2
    Re: RV511 need clean me bios

    Vcore present??

    Comment

    • String2016
      Badcaps Legend
      • Nov 2015
      • 2229
      • philippines

      #3
      Re: RV511 need clean me bios

      grey coil near cpu has 0.89v and caps near cpu has 1.08v

      Comment

      • mcplslg123
        Badcaps Legend
        • Jun 2015
        • 7262
        • india

        #4
        Re: RV511 need clean me bios

        There should be probably three coils near cpu-2 for vcore and 1 for gfx core. Have you measured all of them??

        Comment

        • String2016
          Badcaps Legend
          • Nov 2015
          • 2229
          • philippines

          #5
          Re: RV511 need clean me bios

          the two coil near cpu together has 0v both the other one coil has 0.89v

          Comment

          • mcplslg123
            Badcaps Legend
            • Jun 2015
            • 7262
            • india

            #6
            Re: RV511 need clean me bios

            So, that does mean you have missing vcore. What's the mb marking? Lets first check schematic avlbl or not. Btw, did you checked fets connected to vcore circuit??

            Comment

            • String2016
              Badcaps Legend
              • Nov 2015
              • 2229
              • philippines

              #7
              Re: RV511 need clean me bios

              board id is BA41-01433A. the two grey coil together vcore is beeping all sides to the ground.when i check continuity on the backside for the fets the one fet is beeping it has mark AO6710

              Comment

              • SMDFlea
                Super Moderator
                • Jan 2018
                • 20276
                • UK

                #8
                Re: RV511 Problem

                Lets keep repairs in the main forum, and bios requests in the bios requests forum please.
                All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                Comment

                • String2016
                  Badcaps Legend
                  • Nov 2015
                  • 2229
                  • philippines

                  #9
                  Re: RV511 Problem

                  update: i replaced the mosfet 6710 with the same mosfet but still the same issue still no vcore voltages on two grey coils

                  Comment

                  • piernov
                    Super Moderator
                    • Jan 2016
                    • 4435
                    • France

                    #10
                    Re: RV511 Problem

                    Don't randomly replace components or you'll cause more problems. Try to understand why they are not told to turn on.
                    OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

                    Comment

                    • String2016
                      Badcaps Legend
                      • Nov 2015
                      • 2229
                      • philippines

                      #11
                      Re: RV511 Problem

                      i replaced the mosfet with the same value. it seems that this vcore coils are shorted to ground

                      Comment

                      • mcplslg123
                        Badcaps Legend
                        • Jun 2015
                        • 7262
                        • india

                        #12
                        Re: RV511 Problem

                        Vcore coils has very low resistance to gnd. If its below 005-then it may be shorted. Measure in diode mode with black probe on gnd and red on coils.

                        Comment

                        • String2016
                          Badcaps Legend
                          • Nov 2015
                          • 2229
                          • philippines

                          #13
                          Re: RV511 Problem

                          in diode mode balck to ground and red to two coils it measure 002

                          Comment

                          • piernov
                            Super Moderator
                            • Jan 2016
                            • 4435
                            • France

                            #14
                            Re: RV511 Problem

                            Use resistance mode. Sandy Bridge can be 2-3 ohms without problem. Ivy Bridge can show 1.5 ohms and be perfectly fine.
                            OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

                            Comment

                            • String2016
                              Badcaps Legend
                              • Nov 2015
                              • 2229
                              • philippines

                              #15
                              Re: RV511 Problem

                              resistance mode shows 2.2ohms but two coils both sides shorted to ground

                              Comment

                              • piernov
                                Super Moderator
                                • Jan 2016
                                • 4435
                                • France

                                #16
                                Re: RV511 Problem

                                Also this has a removable CPU so you can measure without CPU.
                                OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

                                Comment

                                • String2016
                                  Badcaps Legend
                                  • Nov 2015
                                  • 2229
                                  • philippines

                                  #17
                                  Re: RV511 Problem

                                  if i remove the cpu and measured resistance without cpu it shows 1.5ohms

                                  Comment

                                  • String2016
                                    Badcaps Legend
                                    • Nov 2015
                                    • 2229
                                    • philippines

                                    #18
                                    Re: RV511 Problem

                                    anyone can help on this

                                    Comment

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