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820-3115 no chime from the prachtige bin, because i had some time...

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  • 820-3115 no chime from the prachtige bin, because i had some time...

    820-3115

    green light OK
    fan spin OK
    1 beep when no ram pluged in
    usb mouse lights up

    but no chime

    history i think liquid damage but the board has been at a differnt place before it got trown in my prachtige pile.... they where not even able to get a green light up...

    PPVCORE_S0_CPU 1.046 volts

    PM_SLP_S4_L 3.314v

  • #2
    Do a PRAM reset and connect an LCD and see if you have an image. Speaker in the case (4 pin) must be connected to hear a chime.

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    • #3
      hi Duke,

      tried doing the pram reset, doenst seem to do anything.
      check the keyboard on other working logic board and it works.
      also have pp3v3_s4_tpad and pp3v42_g3h_tpad on connector and i measure and press the powerbutton ws_kbd_onoff_l goes low
      speaker also tested and working on other logic board.

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      • #4
        If the mouse lights up the board must be alive. Check for image with no BKL on screen.

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