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

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Can someone tell me what CHIP this is please? Urgent!

Hello everybody

can someone tell me what CHIP this is please??

Logic board model: 820-2936-A

I thank anyone who can help me

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I wish everyone a pleasant holidays and my best wishes for the new year.

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That is the battery charging chip ISL6259AHRTZ .

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thank u John..

my best wishes for the new year.


No problem , the chip will require hot air soldering technique and can be bought from ebay. It will however need advanced skills in soldering QFNs if you Youtube A1278 not charging you will get a rundown of some problems with users using boardviews and schematics troubleshooting and re soldering the chip.


thank u John


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magid will be eternally grateful.
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