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[SOLVED]820-4924 No S0 rails

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  • [SOLVED]820-4924 No S0 rails

    Liquid damaged board, has some signs of work already.

    Green / Orange MagSafe

    PP3V42 = 3V42
    PPBUS_G3H = 12.6
    PP5V_S5 = 5V
    PP3V3_S5 = 3V3


    No S0 Enables
    No PM_SLP_S3 = 0V
    U8180 has power to it

    No pulsing on S0 rails.

    Last edited by G.Beard; 10-05-2016, 10:56 PM.

  • #2
    What do you have on PM_SLP_S4_L

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    • #3
      You start with SUS and SLP_S4 stuff, SLP_S3 comes later. Are you using the correct charger 60W or more?

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      • #4
        Originally posted by dukefawks View Post
        You start with SUS and SLP_S4 stuff, SLP_S3 comes later. Are you using the correct charger 60W or more?
        Ah, hello. I only have a 60Watt charger with a MagSafe to Magsafe2 shape adapter ATM, lost my 85W.

        Originally posted by dukefawks View Post
        You start with SUS and SLP_S4 stuff, SLP_S3 comes later.
        I'll check SUS and SLP_S4

        I have a couple of questions if on of you guys would not mind answering.....
        I have been going in circles on the schematic, noting what turns on what. S3 is sleep state right? So, what is the S4?
        What rail powers the PCH?

        Last edited by G.Beard; 10-06-2016, 09:01 AM.

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        • #5
          Go and buy some real chargers.

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          • #6
            Originally posted by dukefawks View Post
            Go and buy some real chargers.
            Already on the way. Is there any point at all fucking about with this machine until they arrive?

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            • #7
              My replacement 85Watt "Real Charger" arrived today.
              Real charger = no problems

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              • #8
                So what does it do now?

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                • #9
                  Works perfectly

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                  • #10
                    So I can mark this as solved?

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                    • #11
                      Yes, all done. Just needed the 85W charger.
                      Mark as solved

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