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2.4GHz, 2.7GHz, or 2.8GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.8GHz) with 6MB shared L3 cache. Released February 2013.

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Location audio ic on the board

Dear all,

I’m trying to find the Audio controller/ic on the board. Does anyone know were it is located? I’m trying to diagnose an issue on my MacBook that it is not able to find any audio input/output device.

Already tried all possible resets and reinstalls.

Also under bootcamp no succes!

Thank you in advance

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@jaapnieland you can either post a picture (both sides) of your logic board with your QUESTION or let us know what 820-xxxx your logic board is. If you can post pictures, we can point it out for you.

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Thanks for being so swift! I can’t take out the board right away, but it is an early 2013, 2.8ghz model. I have added a picture of the board. The 820 number were can I find that? According to google tho it should be 820-3332-A if you need more I will also upload it. Again appreciate the support!

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@jaapnieland for the 820-3332 I show this to be a Cirrus Logic CS4206B. That would be reference designator U6201 and is located on the other side. Never fails right :-)

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I do recognize that this is not going to help your diagnosis but it directly answers your question about the location.

Update (08/03/23)

@jaapnieland this could be of some interest to your diagnostic

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Thanks a ton! I was first going through ifixit’s teardowns but they didn’t list it.

I will try to purchase one to replace it and see if that resolves the matter.

Again appreciate the support!

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@jaapnieland hope it'll work out for you. Best of luck with your repairs. Remember;-)

Repair is War on Entropy

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Jaap Nieland 将永远感激不已
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