소개

Replacing the power supply on the AirPort Extreme A1521 takes a few steps. Once you get to the second to last step you need to be careful and not touch the black cylinders. They are capacitors and could give you a shock.

  1. Using a metal spudger, gently pry the cover off the bottom of the device.
    • Using a metal spudger, gently pry the cover off the bottom of the device.

  2. Four black internal wires, three thin and one thick, are connected to the logic board: three by small end clips and one by a larger end clip. Handle the clips gently; they break easily.
    • Four black internal wires, three thin and one thick, are connected to the logic board: three by small end clips and one by a larger end clip. Handle the clips gently; they break easily.

    • To detach the small clips from the connectors, place the flat end of the plastic spudger underneath the clip and gently lever it away from the center of the device.

    • To detach the large clip from its connector, place the flat end of the spudger on the clip and lever it upward out of the connector.

    • Using two fingers, pinch the power supply wire and gently lift it upward. Move it away from the metal plate.

    • Next, unscrew the four 3.3mm T8 Torx screws and remove the metal plate.

    • The metal plate fits snugly into the gap. To reassemble the device, push the rounded edge of the plate into the gap first. This will wedge the gap open so that you can fit the rest of the plate into its proper place.

    • Remove the T8 Torx screwdriver head and replace it with the 60 mm extension; then, add the T9 Torx head.

    • Loosen, but do not remove the two screws at the bottom of the 1.2-inch wide gap in the middle of the internal structure.

    • These screws are spring-loaded and will stay in the device, even when loosened; however, it is still possible for them to be fully removed. Be careful to only partially loosen them.

    • Using only your fingers, gently compress the internal structure and pull evenly upward to remove it from the white case.

    • When you put the internal structure back into the case, gently compress it, and lower it most of the way into the case. Stop lowering it when the top port has just entered the case. Now push the two sides of the internal structure outward against the sides of the case.

    • Finish lowering the internal structure the rest of the way into the case. The ports should be lined up with the openings in the case and should be flush against the sides of the case.

    • Rotate the internal structure so that the white ports are facing away from you.

    • Three 8.2mm T8 Torx screws connect the fan to the internal structure. Unscrew all three.

    • Don’t lose the rubber grommets underneath the screws. These prevent you from damaging the device while dismantling it.

    • Remove the fan from the device.

    • Remove the fan gently; it fits snugly and could damage the device if pulled roughly.

    • Remove the four 10.35 mm Torx T8 screws on the black plastic shell.

    • The power supply should come right off.

    • Make sure you don't touch the black cylinder on the power supply. It can shock you and cause injury.

결론

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

다른 9명이 해당 안내서를 완성하였습니다.

Omar Arriaga

회원 가입일: 2013년 10월 17일

300 평판

안내서 1개 작성함

Cal Poly, Team 4-26, Amido Fall 2013 Cal Poly, Team 4-26, Amido Fall 2013 회원

CPSU-AMIDO-F13S4G26

5 회원들

안내서 6개 작성하였습니다

When removing the fan pay attention to the cable. It is glued down with sticky tape and is routed beneath the rubber seal that mates against the case. You may want to remove the power supply cover first since the cable for the fan is routed beneath its cover. But once the power supply fasteners are removed the power supply is dangling from its cables so be careful to relieve the strain.

paulkrupa - 답글

Splendid! It worked! I'm so happy. The old fan did really have some slackness and the new one makes no sound. Thanks for describing how to change the fan.

cuthbert awesome - 답글

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