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Gigabyte GV-R587UD-1GD graphic card repair

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    Gigabyte GV-R587UD-1GD graphic card repair

    Hello.
    Have this Gigabyte GV-R587UD-1GD graphic card that not work and give a bad smell when in PC. i remove all main coils and have 0.3ohm on GPU side. no short on mosfets side. But when i inject 1V 5A to that 1.1ohm side the only thing that heats is GPU

    Do u thing that GPU is burned?
    Does anybody know what max voltage i can inject to this side?
    Last edited by ktmmotocross; 01-27-2019, 09:47 AM.

    #2
    Re: Gigabyte GV-R587UD-1GD graphic card repair

    1v and under.
    There are gpu phase and.memory phase.
    Make a picture
    Just cook it! It's already broken.

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      #3
      Re: Gigabyte GV-R587UD-1GD graphic card repair

      short is on GPU phase but now i dont have PSU that gives more than 5A so i can give max 5W

      removed coils and caps to locate short
      Attached Files

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        #4
        Re: Gigabyte GV-R587UD-1GD graphic card repair

        Memory coil too.
        The ground it's the same.
        Memory goes to gpu. if gpu shorted memory too?
        I don't know this to.much but try to be sure.
        Ohm resistance after on gpu phase then memory.
        Last edited by dj_ricoh; 01-27-2019, 11:23 PM. Reason: Misspell
        Just cook it! It's already broken.

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          #5
          Re: Gigabyte GV-R587UD-1GD graphic card repair

          i think i removed 4coils on GPU phase. where do u think is a memory phase?

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            #6
            Re: Gigabyte GV-R587UD-1GD graphic card repair

            did i must remove the ic to check if its really burned?

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              #7
              Re: Gigabyte GV-R587UD-1GD graphic card repair

              What resistence you have on coil pads?
              Memory phase its on the other side of gpu.
              Less coils. Not the one behind.
              Holding the video card in front of you with pcie connector down on the left side of bag the coils are for memory(90%)
              Right side gpu phase.
              Check the ohms on all.
              Just cook it! It's already broken.

              Comment


                #8
                Re: Gigabyte GV-R587UD-1GD graphic card repair

                no short on that side. even on right side is one coil with two caps that is not on short/on picture still not removed/

                on gpu phase with removed coils and caps/on picture/ is resistance 1,3ohm

                right on GPU IC is no small caps on short, but found that 1,3ohm short on small caps on the other side of board under the GPU IC
                Last edited by ktmmotocross; 01-29-2019, 03:10 AM.

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                  #9
                  Re: Gigabyte GV-R587UD-1GD graphic card repair

                  0.3ohm, 1.1ohm, 1.3ohm? I'm confused.
                  1.3ohm sometimes is fine on a GPU. 0.3 is definitely a short.
                  OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

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                    #10
                    Re: Gigabyte GV-R587UD-1GD graphic card repair

                    Originally posted by piernov View Post
                    0.3ohm, 1.1ohm, 1.3ohm? I'm confused.
                    1.3ohm sometimes is fine on a GPU. 0.3 is definitely a short.
                    see my posts. 0.3 was mistake that i repair. on my posts only 1.3ohm

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                      #11
                      Re: Gigabyte GV-R587UD-1GD graphic card repair

                      i was wrong about power of this card. it is even weaker that card i bought for 25euros

                      i dont care about it and remove GPU ic and short is gone

                      so i think the GPU was burn because all caps on it was without short

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                        #12
                        Re: Gigabyte GV-R587UD-1GD graphic card repair

                        Ok now without bga start the card and measure all the coils and report back the voltage.
                        Off clean the pads and prepare the board if you receive a bga chip donor.
                        This the thing I will do in the near future. I have like 30 gpus like this.
                        Last edited by dj_ricoh; 02-03-2019, 01:30 AM.
                        Just cook it! It's already broken.

                        Comment


                          #13
                          Re: Gigabyte GV-R587UD-1GD graphic card repair

                          it is not worth repair if its price is about 15euros, but i will post u voltages

                          Comment


                            #14
                            Re: Gigabyte GV-R587UD-1GD graphic card repair

                            found great channel from guy who really show nice repair of graphic cards and prove that this ATI cards have mostly burned GPU, which is common problem on this cars

                            https://www.youtube.com/channel/UCLq...nHWIf6g/videos

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