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820-00165 green/orange light, no fan spin. SMC bypass works!

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  • #31
    Wait my bad, you're right. I had the probes the wrong way hahahaha

    So yes 0.500 on each pin

    Is it time to replace ISL?

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    • #32
      Do you get identical value on both lines?
      Less than 1% difference allowed...

      Check if both R5380/81 are good.
      Then change ISL; but I expect SMC issue...

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      • #33
        Both lines identical at 0.513

        resisters both perfect. will Try Isl

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        • #34
          can I use ISL from 820-00138 board?

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          • #35
            please say yes because I don't have macbook air donor boards hahhaa

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            • #36
              ISL6259 doesn't require firmware; you can use new even...

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              • #37
                it's the SMC... crap!! just tested donor ISL with exact same issues!


                what's the best way to get hold of SMC's? just donor boards?

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                • #38
                  Order 00165 donor boards pull it reball it and put it on your board

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                  • #39
                    Always pick SMC from donor board, same model...
                    The firmware is critical.

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