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iMac G5 20" Model A1145 Speakers Replacement

iMac G5 20" Model A1145 Speakers Replacement

Andrew Bookholt

Andrew Bookholt en 2 andere bijdragers

Voor het laatst geüpdatet op July 31, 2013

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Inleiding

Ga naar stap 1

Is your iMac always mute? Replace the speakers.

Wat je nodig hebt

Gereedschap

Toon meer…

  1. iMac G5 20" Model A1145 Speakers Replacement, Access Door: stap 1, afbeelding 1 van 1

    • Orient the iMac face-side down on a table with the bottom edge facing yourself.

    • Remove the two Phillips screws securing the access door to the bottom grille of your iMac.

    • The screws are captive in the access door.

    • Before beginning the repair, unplug the computer and press and hold the power switch for 20-30 seconds, to discharge internal capacitors.

    Vertaal

  2. iMac G5 20" Model A1145 Speakers Replacement: stap 2, afbeelding 1 van 1

    • Remove the access door.

    Vertaal

  3. iMac G5 20" Model A1145 Speakers Replacement, Front Bezel: stap 3, afbeelding 1 van 1

    • Remove the three T8 Torx screws securing the front bezel to the rear case along the lower edge of the iMac.

    Vertaal

  4. iMac G5 20" Model A1145 Speakers Replacement: stap 4, afbeelding 1 van 2 iMac G5 20" Model A1145 Speakers Replacement: stap 4, afbeelding 2 van 2

    • Turn the computer over.

    • Use your thumbs to press both RAM arms in past the front bezel for enough clearance to lift it off the rear case.

    Vertaal

  5. iMac G5 20" Model A1145 Speakers Replacement: stap 5, afbeelding 1 van 1

    • While holding the RAM arms in with your thumbs, lift the lower edge of the front bezel enough to clear the rear case.

    Vertaal

  6. iMac G5 20" Model A1145 Speakers Replacement: stap 6, afbeelding 1 van 3 iMac G5 20" Model A1145 Speakers Replacement: stap 6, afbeelding 2 van 3 iMac G5 20" Model A1145 Speakers Replacement: stap 6, afbeelding 3 van 3
    Gereedschap gebruikt in deze stap:
    Plastic Cards
    $2.99
    In winkelwagen

    • Re-orient your iMac so it sits upright on the stand.

    • Insert a plastic card up into the corner of the air vent slot near the top of the rear case.

    • Push the card toward the top of the iMac to release the front bezel latch.

    • Pull the front bezel away from the rear case.

    • Repeat this process for the other side of the front bezel.

    • It may be necessary to apply several layers of duct tape to the top of the access card to aid in releasing the latches.

    • If the bezel refuses to release, try pressing the lower edge back onto the rear case and repeat this opening process.

    • Alternatively, you can use a strong magnet by holding it to the front top left/right corner of the display. You will hear a snapping sound when the hatch is released.

    Vertaal

  7. iMac G5 20" Model A1145 Speakers Replacement: stap 7, afbeelding 1 van 1

    • Lay your iMac stand-side down on a table.

    • Lift the front bezel from its lower edge and rotate it away from the rest of your iMac, minding the RAM arms that may get caught.

    • Lay the front bezel above the rest of the iMac.

    Vertaal

  8. iMac G5 20" Model A1145 Speakers Replacement: stap 8, afbeelding 1 van 1

    • If necessary, remove the piece of kapton tape wrapped around the microphone and camera connectors.

    Vertaal

  10. iMac G5 20" Model A1145 Speakers Replacement: stap 9, afbeelding 1 van 2 iMac G5 20" Model A1145 Speakers Replacement: stap 9, afbeelding 2 van 2

    • Disconnect both the camera and microphone cables.

    Vertaal

  11. iMac G5 20" Model A1145 Speakers Replacement, Lower EMI Shield: stap 10, afbeelding 1 van 1

    • Peel the lower EMI shield off the lower edge of the iMac and off the two vertical 4" sections on either side of the iMac.

    • It is not necessary to peel the lower EMI shield off the display.

    Vertaal

  12. iMac G5 20" Model A1145 Speakers Replacement: stap 11, afbeelding 1 van 1

    • Tape the lower EMI shield up against the face of the display to keep it out of the way while you work.

    Vertaal

  13. iMac G5 20" Model A1145 Speakers Replacement, IR Board: stap 12, afbeelding 1 van 1

    • Disconnect the IR board cable by pulling its connector toward the left edge of your iMac.

    Vertaal

  14. iMac G5 20" Model A1145 Speakers Replacement: stap 13, afbeelding 1 van 1

    • Remove the two T6 Torx screws securing the IR board to its metal bracket.

    • Hold the IR board as you remove the last screw, as it may fall.

    Vertaal

  15. iMac G5 20" Model A1145 Speakers Replacement: stap 14, afbeelding 1 van 1

    • Remove the IR board from your iMac.

    Vertaal

  16. iMac G5 20" Model A1145 Speakers Replacement, AirPort/Bluetooth Board: stap 15, afbeelding 1 van 1

    • Remove the single T10 Torx screw securing the right speaker to the rear case.

    Vertaal

  17. iMac G5 20" Model A1145 Speakers Replacement: stap 16, afbeelding 1 van 1

    • Lift the right speaker out of the rear case.

    • The cable between the speaker and its connector is short, so either hold the speaker or allow it to hang from the iMac for the next few steps.

    Vertaal

  18. iMac G5 20" Model A1145 Speakers Replacement: stap 17, afbeelding 1 van 1

    • Remove the two Phillips screws securing the AirPort/Bluetooth board to the logic board.

    • On some models, these may be T6 Torx screws.

    Vertaal

  19. iMac G5 20" Model A1145 Speakers Replacement: stap 18, afbeelding 1 van 1

    • Use your finger to lift the AirPort/Bluetooth board from its left edge, disconnecting it from the logic board.

    • Lift the board from its left edge only.

    Vertaal

  20. iMac G5 20" Model A1145 Speakers Replacement: stap 19, afbeelding 1 van 2 iMac G5 20" Model A1145 Speakers Replacement: stap 19, afbeelding 2 van 2

    • Use the flat end of a spudger to pry both antenna connectors up off the AirPort/Bluetooth board.

    Vertaal

  21. iMac G5 20" Model A1145 Speakers Replacement, Speakers: stap 20, afbeelding 1 van 2 iMac G5 20" Model A1145 Speakers Replacement, Speakers: stap 20, afbeelding 2 van 2

    • Use the tip of a spudger to push the ears on either side of the speaker connector toward the top edge of the iMac.

    • It will be necessary to work from alternating sides to "walk" the connector out of its socket.

    Vertaal

  22. iMac G5 20" Model A1145 Speakers Replacement: stap 21, afbeelding 1 van 2 iMac G5 20" Model A1145 Speakers Replacement: stap 21, afbeelding 2 van 2

    • Remove the two T6 Torx screws securing the IR board bracket to the aluminum heat sink on the logic board.

    • Remove the IR board bracket.

    Vertaal

  23. iMac G5 20" Model A1145 Speakers Replacement: stap 22, afbeelding 1 van 1

    • De-route the speaker cable along the face of the logic board.

    Vertaal

  24. iMac G5 20" Model A1145 Speakers Replacement: stap 23, afbeelding 1 van 1

    • Remove the single T10 Torx screw securing the left speaker to the rear case.

    • The screw for the left speaker is coarse-threaded.

    Vertaal

  25. iMac G5 20" Model A1145 Speakers Replacement: stap 24, afbeelding 1 van 1

    • Lift the left speaker out of the rear case.

    • the left speaker cable may be routed under the hard drive fan cable and the power button cable. If so, disconnect both cables by pulling their connectors away from the face of the logic board.

    Vertaal
Conclusie

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

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