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Apple A1398 emc 2876 randomly black screen and fan rise

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    Apple A1398 emc 2876 randomly black screen and fan rise

    Hello.
    Have this A1398 emc 2876 that randomly goes to black screen and raising fan. I know this was problem of gpu or gpu voltage controller, but this one is without gpu.

    Is there some known failure points on them or i just count on cold solder under cpu?

    #2
    https://logi.wiki/index.php/A1398_Common_issues
    OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

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      #3
      checked but found only that FDS chips faded out.

      for me this case looks like error from big tantal capacitors on old toshiba that badly filter voltage

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