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iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement

단지 전제 조건
이 안내서는 다른 가이드의 선행 작업으로 사용하기 위한 것입니다. 그 자체로는 불완전합니다.

소개

Prereq for removing logic board.

필요한 것

  1. iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement, Logic Board Assembly: 1 단계, 이미지 1/2 iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement, Logic Board Assembly: 1 단계, 이미지 2/2

    • Push on each side of the left speaker cable connector with the tip of a spudger and gently walk it out of its socket.

    번역하기

  2. iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 2 단계, 이미지 1/2 iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 2 단계, 이미지 2/2

    • If necessary, use a pair of tweezers to gently peel the tape securing the left speaker cable to the SATA data/power cable.

    • This tape only needs to be removed if you are removing the left speaker.

    번역하기

  3. iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 3 단계, 이미지 1/3 iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 3 단계, 이미지 2/3 iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 3 단계, 이미지 3/3

    • De-route the left speaker cable by pulling it straight up out of the retaining clip in the back of the rear enclosure.

    • In a similar fashion, lift the combo SATA data/power cable up out of the retaining clip.

    번역하기

  4. iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 4 단계, 이미지 1/3 iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 4 단계, 이미지 2/3 iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 4 단계, 이미지 3/3

    • Use the flat edge of a spudger 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.

    • Do not use excessive force. This is a delicate connector that can be easily damaged.

    번역하기

  6. iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 5 단계, 이미지 1/3 iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 5 단계, 이미지 2/3 iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 5 단계, 이미지 3/3

    • Use the flat edge 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.

    번역하기

  7. iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 6 단계, 이미지 1/3 iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 6 단계, 이미지 2/3 iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 6 단계, 이미지 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 to clear it for the removal of the logic board.

    번역하기

  8. iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 7 단계, 이미지 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

    번역하기

  9. iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 8 단계, 이미지 1/1

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

    번역하기

  10. iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 9 단계, 이미지 1/3 iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 9 단계, 이미지 2/3 iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 9 단계, 이미지 3/3

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

    • 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 boards at the bottom of the logic board will be the greatest challenge. It is recommended to pull gently to avoid any damage.

    번역하기

  11. iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 10 단계, 이미지 1/2 iMac Intel 21.5" EMC 2638 Logic Board Assembly Replacement: 10 단계, 이미지 2/2

    • When installing the logic board, take care 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 ensure the logic board is seated correctly while you screw it in.

    번역하기
결론

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

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