Backlight not working found fuse open circuit

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MacBook Pro 13" Unibody Mid 2012

모델 A1278, 2012년 6월 출시. Turbo Boost가있는 Intel 프로세서, 최대 512 MB DDR5 비디오 RAM

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Richard Nicholls @richardnicholls

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게시일: 2014년 9월 18일

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Backlight not working found fuse open circuit

I have a MacBook Pro mid 2012 with no working backlight. I was attempting a repair on the hinge when I dropped a screwdriver causing a short and blew the fuse (I think). So far I have tested with a multimeter and the fuse needs replacing, looking around I thought I needed a 0402 2A 32V fuse like the one found here http://www.ebay.co.uk/itm/350819415063?s... but when it came it is much samller than the one on my logic board. Can anyone direct me to the correct size fuse?

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Richard Nicholls, I strongly suggest that you give us the last four digits of your computers serial number. this will help us to properly identify your hardware. You should also post an image of the area and the part that you are trying to replace, that will let us see what you see. you may have the fuse to a different model, a different fuse for a different circuit or the part shorted out may not be a fuse at all

oldturkey03 의 2014년 9월 18일

Thanks for the reply oldturkey03. The last 4 digits of my serial number are DTY3

Richard Nicholls 의 2014년 9월 18일

MacBook Pro "Core i5" 2.5 13" Mid-2012

Dan 의 2014년 9월 19일

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oldturkey03 @oldturkey03

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게시일: 2014년 9월 19일

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Richard Nicholls, the fuse is a 3amp 32V SMD component in a 0603 package. Farnell in the UK has those that should fit Hope this helps, good luck.

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It certainly does help oldturkey03. Thanks for taking the time to do that for me.

Richard Nicholls 의 2014년 9월 20일

You are welcome, best of luck to you. welcome to ifixit.com

oldturkey03 의 2014년 9월 20일

Another satisfied customer, the repair worked! The hardest part was removing the defective fuse but got there in the end. Thanks.

Richard Nicholls 의 2014년 10월 1일

Great job on your part. Those components are definitely a PITA but you got it done. Excellent!

oldturkey03 의 2014년 10월 1일

Hi @oldturkey03, I just want to thank you. After inadvertently blowing my backlight fuse on a mid '12 13" MBP, I was able to diagnose and repair it after visiting several ifixit pages, all of which you had answered. So again, thank you!

jason 의 2017년 3월 25일

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Richard Nicholls, I strongly suggest that you give us the last four digits of your computers serial number. this will help us to properly identify your hardware. You should also post an image of the area and the part that you are trying to replace, that will let us see what you see. you may have the fuse to a different model, a different fuse for a different circuit or the part shorted out may not be a fuse at all — oldturkey03
Thanks for the reply oldturkey03. The last 4 digits of my serial number are DTY3 — Richard Nicholls
It certainly does help oldturkey03. Thanks for taking the time to do that for me. — Richard Nicholls
Another satisfied customer, the repair worked! The hardest part was removing the defective fuse but got there in the end. Thanks. — Richard Nicholls
Great job on your part. Those components are definitely a PITA but you got it done. Excellent! — oldturkey03
Hi @oldturkey03, I just want to thank you. After inadvertently blowing my backlight fuse on a mid '12 13" MBP, I was able to diagnose and repair it after visiting several ifixit pages, all of which you had answered. So again, thank you! — jason

MacBook Pro 13" Unibody Mid 2012

Backlight not working found fuse open circuit

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