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MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement

What you need

  1. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement, MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 1, image 1 of 1
    • 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.

  2. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 2, image 1 of 1
    • The access door should now be raised enough to lift it up and out of the Unibody.

  3. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 3, image 1 of 1
    • 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.

  4. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 4, image 1 of 1
    • 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.

  5. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 5, image 1 of 1
    • Using both hands, lift and remove the lower case off the upper case.

  6. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 6, image 1 of 1
    • Using the flat end of a spudger, pry the subwoofer connector straight up off the logic board.

  7. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 7, image 1 of 1
    • Disconnect the camera cable by pulling the male end straight away from its socket.

  8. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 8, image 1 of 1
    • Use a spudger to pry the optical drive connector straight up off the logic board.

  9. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 9, image 1 of 1
    • Remove the two Phillips screws securing the subwoofer to the upper case.

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

  10. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 10, image 1 of 1
    • 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.

  11. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 11, image 1 of 1
    • Remove the two Phillips screws securing the camera cable bracket to the upper case.

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

  12. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 12, image 1 of 1
    • Remove the three 2.5 mm Phillips screws securing the optical drive to the upper case.

  13. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 13, image 1 of 1
    • 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.

  14. MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 14, image 1 of 3 MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 14, image 2 of 3 MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement: step 14, image 3 of 3
    • 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.

Conclusion

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

System

Member since: 09/24/09

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