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    Asus F712J

    Hi, Asus F712J, board X512JA Rev2.0, no power, I replace BQ24780S and few mosfet and first resistor 10mOhm in power line from power jack. Laptop power on with screen windows ok, system win10 ok, but I can't turn off, battery charging the orange LED is constantly on and there are 3V and 5V voltage and PCH power supply I need schematic, board view and bios dump or good solution.

    Sorry my bad english.

    Regards.
    Last edited by warsztat; 11-03-2021, 11:56 PM.

    #2
    Re: Asus F712J

    https://www.badcaps.net/forum/attach...1&d=1636052187

    can anyone help identify this chip ?

    after tur on - S0 - 1,80V
    after turn off - S? - 1,10V
    power source pch ?

    after turn off I suppose the board doesn't reach S5 state, battery powered without charger, maintains 3 and 5V and 1.8V voltage, led charging orange if battery charging, white after charge. still white after off without charger.
    Attached Files

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      #3
      Re: Asus F712J

      Attached.
      Attached Files

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        #4
        Re: Asus F712J

        thank you


        (vid1 == 0 && vid0 == 1)
        { vout = 1,10V; }

        I still don't have a schematic, ic look good , Vout is 1,10V .
        The output voltage is 1.10V because this is how the "vid" inputs are controlled.
        Maybe I will try to reprogram kbc, anyone has a file for kbc for this laptop or extract from bios ?
        Last edited by warsztat; 11-05-2021, 01:32 AM.

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          #5
          Re: Asus F712J

          schematic and boardview not available? I need to identify the keyboard pins for the programmer (RT809F)

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            #6
            Re: Asus F712J

            Originally posted by warsztat View Post
            I need schematic, board view and bios dump or good solution.

            Sorry my bad english.

            Regards.
            Originally posted by warsztat View Post
            schematic and boardview not available? I need to identify the keyboard pins for the programmer (RT809F)
            Laptop Schematic requests - https://www.badcaps.net/forum/forumdisplay.php?f=41

            Laptop bios requests - https://www.badcaps.net/forum/forumdisplay.php?f=40

            No schematic,boardview or repair guide available yet .
            All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

            Comment


              #7
              Re: Asus F712J

              Pin 5 BQ24780S ACOK still H logic level. My BQ is broken, I replace another BQ from broken board well all ok. System turn on and off, is ok. Now I testing.
              I am old and blind.
              Thanks all.
              Last edited by warsztat; 11-12-2021, 08:09 AM.

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