Ps4 controller discharges itself

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  • mosfetratus
    Sure Not
    • Feb 2019
    • 174
    • Resistron
    #1

    Ps4 controller discharges itself

    I bought second hand, defective controller for myself. I expected easy fix, like swapping battery, because seller said it's not charging properly.

    I opened it, and i saw oxides on two chips. It needed few cleans, controller was charging, but when i charge battery to full and leave it overnight, next day i have dead battery. So i installed a new battery, same thing.

    I even reflowed both chips, to make sure. No corrosion, only oxides.

    What could cause such thing?

    I attached photos with damage i have found.
    Attached Files
    Tags: None
    • ktmmotocross
      Boardkiller
      • Feb 2014
      • 3577
      • slovakia
      #2
      Re: Ps4 controller discharges itself

      "reflowed" u mean u remove it, clean under it, retin pads and solder it back?

      because that is the way how to treat all components after corossion
      Last edited by ktmmotocross; 02-11-2019, 12:09 PM.

        Comment

        • mosfetratus
          Sure Not
          • Feb 2019
          • 174
          • Resistron
          #3
          Re: Ps4 controller discharges itself

          Originally posted by ktmmotocross
          "reflowed" u mean u remove it, clean under it, retin pads and solder it back?

          because that is the way how to treat all components after corossion
          nah, just heated solder.

            Comment

            • ktmmotocross
              Boardkiller
              • Feb 2014
              • 3577
              • slovakia
              #4
              Re: Ps4 controller discharges itself

              Originally posted by mosfetratus
              nah, just heated solder.
              thats total crap work. do it right or dont do it. if u do it right u know that place is not a problem

              how u know that is not still corosion under the chip?
              Last edited by ktmmotocross; 02-11-2019, 05:16 PM.

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