Released October 24, 2011 / 2.2, 2.4, or 2.5 GHz Quad-core Intel Core i7 Processor

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Logic Board Repair: Part Labeled ZJS7

Hello All!

Currently my MacBook Pro is unable to detect any audio devices. After some research it seems that a piece has broken off of the logic board. The part has a label on it that reads ZJS7 and sits just to the left of the cirrus sound chip. I have tried to attach a picture of the circled part.

Block Image

My question is what is this part? Is it something that I could replace/fix easily? Or would it require advanced machinery?

Thanks in advance!

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1 Answer

Chosen Solution

Marc, that is reference designator C6612 which is a 47uF 20% 6.3V Tant Poly Case A4 capacitor. this is a polarized capacitor with the grey end being the (+) marking. Hope this helps, good luck.

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Could you recommend a good replacement part?


The original looks Like a Nichicon F320J476MAA cap. Replacement like AVX F930J476MAA should fit. Always measure your components size to the one you order. and are my suppliers:-)


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