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Mid 2012 model, A1278 / 2.5 GHz i5 or 2.9 GHz i7 processor.

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Anyone know what this component is?

I had a customer bring in a water damaged macbook pro and I told them the water damage had corroded a component on the logic board. I don’t think they want the device anymore so I was going to attempt to replace this component if possible, but I dont know what it is or have any diagrams or schematics. The component says “KNP” vertically and “AO” horizontally. :)

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Beantwoord! Bekijk het antwoord Dit probleem heb ik ook

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You can obtain schematics on internet via googling 820-3115B which is the board number for the MacBook Pro 13" mid-2012 logic board.

Board view files arw also obtainable which openboardview can open that file for you.

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Thanks for the tip Ben :)

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That is Q4262 a dual MOSFET package BSS8402DW

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Dan your the man I appreciate the help and super fast response :)

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@jaytech - Your welcome!

I've had to replace a few. check your powered FireWire drives transformers are correct for the given drive.

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Jason Oestrike zal eeuwig dankbaar zijn.
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