简介

Restore sound to your laptop by replacing the subwoofer and right speaker.

With the case closed, place the Unibody top-side down on a flat surface.
  • With the case closed, place the Unibody top-side down on a flat surface.

  • Depress the grooved side of the access door release latch enough to grab the free end. Lift the release latch until it is vertical.

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The access door should now be raised enough to lift it up and out of the Unibody.
  • The access door should now be raised enough to lift it up and out of the Unibody.

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  • Be sure the access door release latch is vertical before proceeding.

  • Grab the white plastic tab and pull the battery up and out of the Unibody.

Great tutorial ! great step !

Leo Etcheverry - 回复

  • Remove the following eight screws securing the lower case to the chassis:

    • One 3 mm Phillips screw.

    • Three 13.5 mm Phillips screws.

    • Four 3.5 mm Phillips screws.

On my model, it seemed the top-left was 3.5mm and the bottom 4 were 3 mm.

Jim - 回复

Make sure you have a good quality Phillips screwdriver. Mine had removable tips and had a small play at the connection. As a result I didn't have a good feel and damaged my screws (those securing the fan and the top left in step 23). Game over for me installing new thermal paste...

Be very carefull with your screws! Especially those on the inside.

Nickolas Michelinakis - 回复

You can get away with a Phillips #00 for many of the screws involved but the 4 at the bottom case split are likely to strip if you don’t use a JIS #00 or, in a pinch, a Phillips #000.

Bill Cole - 回复

  • Using both hands, lift and remove the lower case off the upper case.

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  • Using the flat end of a spudger, pry the subwoofer connector straight up off the logic board.

Me, too, broke the subwoofer connector from the motherboard. I'd suggest removing the padding first so that you can see what kind of connector it is, then pry it loose (insert spudger where the cables enter the connector).

petterwolff - 回复

DO NOT REMOVE THE SUBWOOFER CONNECTION. Step 6 IS NOT NESCESSARY.

You can complete this guide without doing step 6 just BE CAREFUL as you already should be.

kenneth rhem - 回复

The subwoofer cable is NOT removable on some models, attempting to remove it, brakes it off the circuit board and them you are @@%#$$, like me. Thanks iFixit. Also it is not necessary to remove it to replace the optical drive.

todd - 回复

Oops, I followed Step-6 and my subwoofer connector came off from the motherboard!!! Please suggest me what needs to be done now?

Srinivasan - 回复

Happened the same to me ... step 6 is a @%#$$. You should put now a way to repair the damage done. I just have four small tin marks on the board ...

stratorick - 回复

Happened the same problem to me ... step 6 is a @%#$$**%%#. You should put now a way to repair the damage done. I just have four small tin marks on the board ... and looking to sky for help

Badruddin Hisbani - 回复

Just “4 small tin marks” is what the the motherboard half of the subwoofer connector looks like.

Bill Cole - 回复

There are two variants of this connector. In one, there are pins that come up from the motherboard and the connector can be pried directly up without damage.

The other variant of the connector that everyone commenting here has is soldered to the motherboard. To repair this type, first pull off the small square of foam padding on top of the connector. Then gently pull out the four black and red wires, leaving the soldered connector attached to the logic board. After you have installed the new speaker and subwoofer, you will remove the connector on the replacement component and carefully feed the red and black wires into the connector that is still attached to the motherboard (paying careful attention to their correct order). Then replace the square of black foam.

If you have removed the soldered on the connector, your two options are to solder it on yourself or to find a repair shop that can do that for you. There are instructables online for soldering tiny components that can help you.

bike - 回复

  • Disconnect the camera cable by pulling the male end straight away from its socket.

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  • Use a spudger to pry the optical drive connector straight up off the logic board.

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  • Remove the two Phillips screws securing the subwoofer to the upper case.

  • The longer of the two screws is on the right.

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  • The subwoofer is still connected to the right speaker, so don't completely remove it just yet.

  • Lift the subwoofer off the optical drive, and set it above the computer.

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  • Remove the two Phillips screws securing the camera cable bracket to the upper case.

  • The leftmost screw may remain captive in the camera cable.

This step is not necessary. Drive can be released without removing the screws.

mcbohdo - 回复

If you’re replacing the subwoofer, you DO need to remove the left screw but not the right screw. This is fortunate, because if you are stuck with a Phillips #00 instead of a JIS #00 screwdriver, you may well strip the heads of these screws.

Bill Cole - 回复

  • Remove the three 2.5 mm Phillips screws securing the optical drive to the upper case.

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  • Lift the optical drive from its right edge and pull it out of the computer.

  • The hard drive cable may become disconnected from the logic board when removing the optical drive. Ensure it is connected during reassembly.

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  • Peel back the small piece of black tape covering the right speaker cable.

  • Use the tip of a spudger to pry the right speaker up off the adhesive securing it to the upper case.

  • Lift the subwoofer and right speaker assembly out of the upper case.

Note that the subwoofer case has 3prongs through which the camera cable is threaded. Remember to re-thread that cable through the prongs when re-assembling.

Bill Cole - 回复

结论

To reassemble your device, follow these instructions in reverse order.

22等其他人完成本指南。

I have a Macbook Pro 13, mid-2009, A1278 and the speaker broke it.

Can I put a speaker A1278 a macbook pro 13 mid-2012?

All speakers A1278 model work in any model of Macbook Pro A1278, regardless of the year?

Mrgustavo - 回复

I have good sound again, thanks.

2008 MacBook (aluminum).

The hardest part was starting the optical drives hold down screws, my jewelers screwdriver maginetic tip is weak.

Total time was about a half hour.

kqc7011huts - 回复

If all you have are Phillips screwdrivers, be very careful with the screws at the split of the bottom case and all of the internal ones. You may have to drop to a Phillips #000 if you don’t have a JIS #00, which appears to be the correct tool for them, based on the actual fit of the bits in my (iFixit) set.

Bill Cole - 回复

Hi guys, does anyone know if the subwoofer spare part is the same for the model A1278 from late 2008 and 2009 and so on? thanks in advance

Micro - 回复

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