rx 5700 pulse Schematic & Boardview request 1.8 missing sometimes present

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  • Lucifer87
    New Member
    • Aug 2021
    • 5
    • Italia

    #1

    rx 5700 pulse Schematic & Boardview request 1.8 missing sometimes present


    Hi, I need the schematic and boardview of a Radeon RX 5700 Pulse, sometimes it turns on, sometimes it doesn't... I checked when it doesn't turn on, the enable signal is missing on pin 15 EN2 3v to power 1.8v... the problem is that when it works I can't test it since the signal is present... I would like to check the signal paths but I would need the diagram and the boardview thanks​
  • SarpsborgJoe
    New Member
    • Nov 2024
    • 4
    • Norway

    #2
    Do you own an oscilloscope?

    Comment

    • Lucifer87
      New Member
      • Aug 2021
      • 5
      • Italia

      #3
      Originally posted by SarpsborgJoe
      Do you own an oscilloscope?
      no I have a tester... I sometimes get 3V on pin 15 (EN2 ) and the card works then sometimes it doesn't arrive and the card doesn't start...so the 3V is missing EN .I don't have the boardview of the card so I can't follow the tracks...

      Comment

      • SarpsborgJoe
        New Member
        • Nov 2024
        • 4
        • Norway

        #4
        I have ASUS, GIGABYTE and MSI boardviews for the 5700 and 5700 XT if that might help...some boards are based on reference boards. I am not sure in your case.
        Attached Files

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        • Lucifer87
          New Member
          • Aug 2021
          • 5
          • Italia

          #5
          Originally posted by SarpsborgJoe
          I have ASUS, GIGABYTE and MSI boardviews for the 5700 and 5700 XT if that might help...some boards are based on reference boards. I am not sure in your case.
          unfortunately all these boardviews are different, they all have the gs7260 controller ic, I needed the specific one from the pulse which mounts an NB685GQ

          Comment

          • Lucifer87
            New Member
            • Aug 2021
            • 5
            • Italia

            #6
            Originally posted by SarpsborgJoe
            I have ASUS, GIGABYTE and MSI boardviews for the 5700 and 5700 XT if that might help...some boards are based on reference boards. I am not sure in your case.
            I did some checks, I traced the signal and checked the voltages, the 3v en2 signal that passes through these points and it is not present... what I don't know is where the en2 signal originates, who produces it? I attach some photos
            Attached Files

            Comment

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