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iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement

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Introdução

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O que você precisa

  1. iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement, Logic Board Assembly: passo 1, imagem 1 %32 iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement, Logic Board Assembly: passo 1, imagem 2 %32

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

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  2. iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 2, imagem 1 %32 iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 2, imagem 2 %32

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

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  3. iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 3, imagem 1 %32 iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 3, imagem 2 %32 iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 3, imagem 3 %32

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

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  5. iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 4, imagem 1 %32 iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 4, imagem 2 %32 iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 4, imagem 3 %32

    • 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.

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

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  6. iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 5, imagem 1 %32 iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 5, imagem 2 %32 iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 5, imagem 3 %32

    • 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.

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  7. iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 6, imagem 1 %32 iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 6, imagem 2 %32 iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 6, imagem 3 %32

    • 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.

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  8. iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 7, imagem 1 %32

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

    • Two 6.3 mm T8 screws

    • Two 4.7 mm T8 screws

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  9. iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 8, imagem 1 %32

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

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  10. iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 9, imagem 1 %32 iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 9, imagem 2 %32 iMac Intel 21.5" EMC 2544 Logic Board Assembly Replacement: passo 9, imagem 3 %32

    • 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.

    • During reassembly of the logic board, pay attention to the position of the I/O connectors. When the board is back in the case, insert a USB or Thunderbolt cable into one of the connectors to align it perfectly.

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Conclusão

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

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Sam Goldheart

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