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820-3115 Power rail issue

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  • #16
    No need to remove the coil.
    But you can lift one pin and inject in the pad which is shorted to ground.

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    • #17
      Found the problem. It was a shorted cap next to the audio codec IC. Found it by injecting voltage and burning my palm . Was dissipating 7 watts... Replaced it and now I have a working board that boots fully to macOS. Thanks again for your guidance. On to the easy no Backlight 820-3115 and the pile of others from my client!

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