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Old Sep 24, 2012, 03:57 AM   #1
Anarchy99
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Join Date: Dec 2003
820-2361-A vs. 661-4947 magsafe board

i need a new magsafe for my late 2008 macbook (the 1st unibody one) model A1278
ive heard it uses apple part 661-4947 that is only for this macbook other later MacBooks model A1278 list apple part 820-2361-A and some sites list
820-2361-A and 661-4947 as the same part just relabelled
can anyone help me, are these two parts the same

thanks
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Old Dec 4, 2012, 10:14 AM   #2
mihkels
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Have you found an answer? I've got the same question.
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Old Jan 5, 2013, 11:02 PM   #3
Trac
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I Have the answer. Yes if you have the late 2008 unibody A1286 15 in MBP then the magsafe is probably going bad. I thought it was the battery going bad, but once I replaced the magsafe it started to charge the battery correctly, and it stayed charged. The part # is 820-2361-A. You can find them on ebay, but you might be getting a used part so beware. Also when you dig into the laptop, remove battery, then there's 8 small screws that attach the bottom plate. Once that is off you have to loosen all screws on the MB including fan and memory. Pull the screen cable out of the way. Pry up on the corner with the magsafe, unplug it, and work it out. The whole job will take 45 minutes if your slow and careful. Your number sounds like the 13 in version. If that's the case you need the other # Just add the mac number in the search and you'll find the right part.
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Old Jan 6, 2013, 06:14 AM   #4
Brian Y
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They are the same part.

661-4947 - this is the part number on the box that technicians use (i.e. the part number of the box and contents)
820-2361-A - this is the factory part number (the part number of the bit inside the box - A stands for revision A)
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Old Feb 4, 2013, 11:46 AM   #5
dpwct
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Screws

I lost a screw for 820-2361-A
【Genuine Original Top Quality DC Jack Power Board】

do you know what the specs are for the screw - and where to get a replacement. Is the screw be necessary for the power to work i.e. will a missing screw alone cause a power problem.
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Old Feb 4, 2013, 03:53 PM   #6
Brian Y
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Quote:
Originally Posted by dpwct View Post
I lost a screw for 820-2361-A
【Genuine Original Top Quality DC Jack Power Board】

do you know what the specs are for the screw - and where to get a replacement. Is the screw be necessary for the power to work i.e. will a missing screw alone cause a power problem.
The only problem you may have is a misaligned magsafe socket, which could make charging difficult.

From memory, the middle hinge screw (or whichever of the 3 is longer) is the same size - you could, in theory, relocate one of those screws to the magsafe board.
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Old Feb 4, 2013, 04:11 PM   #7
dpwct
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screws

The dc-in only has 2 screws - seems to be not misaligned - but I do need a replacent screw
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Old Feb 4, 2013, 04:37 PM   #8
Brian Y
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Quote:
Originally Posted by dpwct View Post
The dc-in only has 2 screws - seems to be not misaligned - but I do need a replacent screw
If its not misaligned, don't worry about it!
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