Early 2011 model, A1278 / 2.3 GHz i5 or 2.7 GHz i7 processor.

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How do I have access to F6905 Fuse on A1278 board

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I am troubleshooting a power issue on my bacbook not booting, and to make it worse ended up shorting the 18.5v bus whole probing on the board.

I looked up the F6905 fuse on the schematic but it seems to be under a black component which I am not sure how to remove (see picture un lower right section).

Any ideas?


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that is your left speaker. Use this guide for that. If you are unsure on how to test or repair your board, you could consider letting some professional boardlevel microsolder expert do the job. Depending where you are you could contact @reecee or @refectio to see what they think. t

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leroux_francois will be eternally grateful.
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