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iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement

iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement

Walter Galan

Walter Galan 和 2 其他贡献者

最后更新于 May 7, 2024

没有估计
中等
仅作为前提条件
本指南仅用作其他指南的先决条件。不能单独使用。

简介

转到步骤 1

Prereq for removing logic board.

你所需要的

工具

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  1. iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement, Logic Board Assembly: 步骤 1 中的图像 1，2 iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement, Logic Board Assembly: 步骤 1 中的图像 2，2

    • Use the tip of a spudger to walk the left speaker cable connector out of its socket.

    • It is recommended to first press on one side of the connector, then press on the other side until freed.

    翻译

  2. iMac Intel 21.5" EMC 2805 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.

    翻译

  3. iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 3 中的图像 1，2 iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 3 中的图像 2，2

    • In a similar fashion as the previous step, de-route the combo SATA data/power cable up out of the retaining clip.

    翻译

  4. iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 4 中的图像 1，3 iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 4 中的图像 2，3 iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 4 中的图像 3，3
    在这个步骤中使用的工具：
    Tweezers
    $4.99
    添加到购物车

    • Use a pair of tweezers to flip up the metal retaining bracket on the iSight camera cable connector.

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

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

    翻译

  5. iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 5 中的图像 1，3 iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 5 中的图像 2，3 iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 5 中的图像 3，3

    • If necessary, use the tip of a spudger to peel back the tabs covering the antenna connectors.

    翻译

  7. iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 6 中的图像 1，3 iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 6 中的图像 2，3 iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 6 中的图像 3，3

    • Use the tip of a spudger to disconnect each of the four antenna connectors from the AirPort/Bluetooth card.

    • Note the original positions for each connector when reconnecting the cables.

    翻译

  8. iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 7 中的图像 1，3 iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 7 中的图像 2，3 iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 7 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.

    翻译

  9. iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 8 中的图像 1，1

    • Remove the following screws securing the exhaust duct to the rear enclosure:

    • Two 6.3 mm T8 screws

    • Two 4.7 mm T8 screws

    翻译

  10. iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 9 中的图像 1，1

    • Remove the four 7.2 mm T10 screws securing the logic board to the rear enclosure.

    翻译

  11. iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 10 中的图像 1，1

    • Use a pair of tweezers to peel the tape covering the exhaust duct.

    翻译

  12. iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 11 中的图像 1，2 iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 11 中的图像 2，2

    • Tilt the top of the logic board away from the rear enclosure.

    翻译

  13. iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 12 中的图像 1，2 iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 12 中的图像 2，2

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

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

    • The I/O inputs at the bottom of the logic board will be the greatest challenge. It is recommended to pull gently to avoid any damage.

    翻译

  14. iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 13 中的图像 1，2 iMac Intel 21.5" EMC 2805 Logic Board Assembly Replacement: 步骤 13 中的图像 2，2

    • When reinstalling the logic board, check the alignment of the exterior I/O ports. 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 aligned while you screw it in.

    翻译
结论

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

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