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iMac G5 17" Model A1144 IR Board Replacement

撰写者： Walter Galan (和另外3个贡献者)
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难度

中等

步骤

13

所需时间

建议一个时间??

节

3

标志

0

简介

The ins and outs of replacing your IR board.

  1. Before you work on the computer, unplug the computer and press the power button for 20-30 seconds to drain the stored energy in the power supply.

    • Before you work on the computer, unplug the computer and press the power button for 20-30 seconds to drain the stored energy in the power supply.

    • Loosen the two Phillips screws securing the access door to your iMac.

    • These screws are captive in the access door.

    翻译

  2. Remove the access door from your iMac.

    • Remove the access door from your iMac.

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  3. Remove the three T8 Torx screws securing the front bezel to the rear panel.

    • Remove the three T8 Torx screws securing the front bezel to the rear panel.

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  4. Orient the iMac face-up, on its backside. Use your thumbs to press both RAM arms in past the front bezel for enough clearance to lift it off the rear case.

    • Orient the iMac face-up, on its backside.

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

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

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

    翻译

  7. Re-orient your iMac so it sits upright on the stand. Insert a plastic card up into the corner of the air vent slot at the top of the rear case. Push the card toward the top of the iMac to release the front bezel latch.

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

    • Insert a plastic card up into the corner of the air vent slot at 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.

    翻译

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

    • 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.

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  9. If necessary, remove the piece of kapton tape wrapped around the microphone and camera cables.

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

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  10. Disconnect both the camera and microphone cables. Disconnect both the camera and microphone cables.

    • Disconnect both the camera and microphone cables.

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  11. Peel back the aluminum EMI shield up off the lower three edges of the rear case.

    • Peel back the aluminum EMI shield up off the lower three edges of the rear case.

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

    • We found it helpful to tape the EMI shield up against the display to keep it out of the way.

    翻译

  12. Remove the single T6 Torx screw securing the IR board bracket to the logic board.

    • Remove the single T6 Torx screw securing the IR board bracket to the logic board.

    • The IR board and cable finger are now free from the logic board and may fall.

    翻译

  13. Pull the IR Board cable connector straight away from its socket on the IR board.

    • Pull the IR Board cable connector straight away from its socket on the IR board.

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  14. Transfer the two T6 Torx screws and the IR bracket to your new IR board.

    • Transfer the two T6 Torx screws and the IR bracket to your new IR board.

    翻译
结论

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

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