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iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement

仅作为前提条件
本指南仅用作其他指南的先决条件。不能单独食用。

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  1. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement, Logic Board Assembly: 步骤 1 中的图像 1,2 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement, Logic Board Assembly: 步骤 1 中的图像 2,2
    • Gently pull the left speaker cable straight out of its socket on the logic board.

  2. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 2 中的图像 1,1
    • De-route the left speaker cable by pulling it straight up out of the retaining clip in the back of the rear enclosure.

  3. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 3 中的图像 1,2 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 3 中的图像 2,2
    • Similarly to the previous step, de-route the SATA and power cables by pulling the braid straight up out of the retaining clip.

  4. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 4 中的图像 1,2 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 4 中的图像 2,2
    • Peel up the piece of tape connecting the left speaker connector to the SATA power and data cables.

  5. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 5 中的图像 1,3 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 5 中的图像 2,3 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 5 中的图像 3,3
    • Flip up the metal retaining bracket on the FaceTime camera cable connector.

    • Pull the FaceTime camera cable straight out of its socket on the logic board.

    • This is a delicate connector that can be easily damaged.

  6. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 6 中的图像 1,1
    • Remove the two 4.0 mm T5 Torx screws securing the four antenna connectors to the AirPort/Bluetooth card.

  7. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 7 中的图像 1,3 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 7 中的图像 2,3 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 7 中的图像 3,3
    • Disconnect all four antenna connectors by prying them straight up from their sockets on the AirPort/Bluetooth card.

  8. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 8 中的图像 1,2 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 8 中的图像 2,2
    • Gently pull the right speaker cable connector straight down and out of its socket on the logic board.

  9. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 9 中的图像 1,3 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 9 中的图像 2,3 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 9 中的图像 3,3
    • Use the flat edge of a spudger to pry the headphone jack cable connector from its socket on the logic board.

    • Push the cable slightly to the right.

  10. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 10 中的图像 1,1
    • Peel off the tape covering the exhaust duct.

  11. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 11 中的图像 1,1
    • Remove the following T8 Torx screws securing the exhaust duct to the rear enclosure:

    • Two 6.2 mm screws

    • Two 4.7 mm screws

  12. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 12 中的图像 1,3 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 12 中的图像 2,3 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 12 中的图像 3,3
    • Use the tip of a spudger to flip open the retaining flap on the microphone ribbon cable ZIF socket.

    • Be sure you are prying up on the hinged retaining flap, not the socket itself.

    • Gently pull the microphone ribbon cable straight out of its socket.

  13. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 13 中的图像 1,1
    • Remove the four 7.3 mm T8 Torx screws securing the logic board to the rear enclosure.

  14. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 14 中的图像 1,3 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 14 中的图像 2,3 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 14 中的图像 3,3
    • Tilt the top of the logic board away from the rear enclosure.

    • As you tilt the logic board, pull the right speaker connector to the right and out of the way of the board.

    • Lift the logic board straight up and out of the iMac.

    • Be careful not to snag the board on any of the rear enclosure's screw posts.

  15. iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 15 中的图像 1,2 iMac Intel 21.5" Retina 4K Display (2017) Logic Board Assembly Replacement: 步骤 15 中的图像 2,2
    • When reassembling your iMac, be very careful to align the exterior I/O ports correctly. The logic board can sit crooked even when secured with all its screws.

    • Use a USB flash drive and/or ethernet cable to keep the logic board seated correctly while you tighten the screws.

结论

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

Adam O'Camb

于04/11/15注册

195,318 声望

创作了416篇指南

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