[help]820-00165 TOTALLY DEAD! NO LED LIGHT CHARGER

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  • phantomEVO
    Badcaps Veteran
    • Mar 2013
    • 505
    • USA

    #1

    [help]820-00165 TOTALLY DEAD! NO LED LIGHT CHARGER

    've found in diode mode a super low value on pp3v42_g3h...removing l7095 and l7090, i've injected voltage on the line and found that u5000 become hot (3v 0,0100 amp)
    replaced u5000 with a brand new one now i have
    PPBUS_G3H=8.18
    3V42_G3H=3.42
    3V3_S5 3,3
    no voltage for PP3V3_SUS (no shorts
    on u8020 i have 0v on P3V3SUS_EN no shorts
    0v on R1464 no shorts

    SMC_ADAPTER_EN, 0v
    PM_BATLOW_L, 3,3
    PCH_DSWVRMEN, 0v
    PM_DSW_PWRGD 0,9v​

  • mon2
    Badcaps Legend
    • Dec 2019
    • 14628
    • Canada

    #2
    What is the voltage to ground of ALL_SYS_PWRGD ? Is it pulsing ?

    reference:
    820-00165-A - PM_SLP_S4_L missing | Rossmanngroup Forums

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    • phantomEVO
      Badcaps Veteran
      • Mar 2013
      • 505
      • USA

      #3
      0.480

      No voltage at all on this line

      should i program smc? how? it is new

      Comment

      • phantomEVO
        Badcaps Veteran
        • Mar 2013
        • 505
        • USA

        #4
        i don't know what to do...

        Comment

        • reformatt
          Badcaps Legend
          • Feb 2020
          • 1456
          • Australia

          #5
          PPBUS_G3H=8.18 --> should be 8.6V if SMC is running

          You can only use SMC's from donor boards. If it's blank and never been programmed that will not work. You can use a SMC from 820-3437 board and reprogram it for a 820-00165 board using Muerto's SMC flashing tool. Board will still boot, just have issues with audio IIRC until you use the tool.

          Comment

          • phantomEVO
            Badcaps Veteran
            • Mar 2013
            • 505
            • USA

            #6
            I’ve found Line ppvrtc_g3h shorted… even removint u1900 i have the short.

            is it game over?

            https://www.dropbox.com/scl/fi/fwulr...co4lr9nwf&dl=0

            Comment

            • phantomEVO
              Badcaps Veteran
              • Mar 2013
              • 505
              • USA

              #7
              Originally posted by reformatt
              PPBUS_G3H=8.18 --> should be 8.6V if SMC is running

              You can only use SMC's from donor boards. If it's blank and never been programmed that will not work. You can use a SMC from 820-3437 board and reprogram it for a 820-00165 board using Muerto's SMC flashing tool. Board will still boot, just have issues with audio IIRC until you use the tool.
              ok what do you think of last video?

              Comment

              • reformatt
                Badcaps Legend
                • Feb 2020
                • 1456
                • Australia

                #8
                Shorted PCH by the looks. Put it in your donor pile.

                Comment

                • phantomEVO
                  Badcaps Veteran
                  • Mar 2013
                  • 505
                  • USA

                  #9
                  ok

                  Comment

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