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iMac G5 20" Model A1076 Midplane Assembly Replacement

iMac G5 20" Model A1076 Midplane Assembly Replacement

John

John 및 3 다른 기여자

최종 수정일 May 14, 2024

예상시간 없음
어려움

소개

1단계로 이동하기

Remove your midplane assembly to gain access to your display and front bezel.

필요한 것

부품

도구

  • Phillips #1 Screwdriver
    Phillips #1 Screwdriver
  • Spudger
    Spudger
  • TR10 Torx Security Screwdriver
    TR10 Torx Security Screwdriver

더보기...

iFixit은 귀하가 이 링크를 통해 구매할 때 커미션을 받습니다.

  1. iMac G5 20" Model A1076 Midplane Assembly Replacement, Rear Panel: 1 단계, 이미지 1개 중 1개

    • Lay the iMac display-side down on a flat surface (putting a cloth under the screen to protect it from bumps).

    • Loosen the three Phillips screws securing the rear panel to the iMac.

    • These screws are captive in the iMac. The center screw will stop turning after about 3.5 turns and the outer screws will stop turning after about 5.5 turns. Do not try to remove these screws from your iMac.

    번역하기

  2. iMac G5 20" Model A1076 Midplane Assembly Replacement: 2 단계, 이미지 2개 중 1개 iMac G5 20" Model A1076 Midplane Assembly Replacement: 2 단계, 이미지 2개 중 2개

    • Lift the rear panel slightly near the bottom of the iMac.

    • Pull the rear panel toward yourself and remove it from the iMac.

    번역하기

  3. iMac G5 20" Model A1076 Midplane Assembly Replacement, RAM: 3 단계, 이미지 2개 중 1개 iMac G5 20" Model A1076 Midplane Assembly Replacement, RAM: 3 단계, 이미지 2개 중 2개

    • Rotate each of the two RAM retaining arms away from the RAM chip.

    • The chip will partially pop out at the same time as the arms are pulled out to either side.

    • Pull the RAM chip straight away from its socket.

    • Repeat this process for the other RAM chip.

    • Be sure the RAM arms are rotated fully outward before installing new RAM chips.

    번역하기

  4. iMac G5 20" Model A1076 Midplane Assembly Replacement, Inverter: 4 단계, 이미지 1개 중 1개

    • Remove the following three screws securing the inverter to the chassis:

    • Two 7.9 mm Phillips.

    • One 26 mm Phillips.

    • When reinstalling the inverter, be careful to route the purple and black cables around the screw mount. It is very easy to pinch the cable and damage the insulation.

    번역하기

  5. iMac G5 20" Model A1076 Midplane Assembly Replacement: 5 단계, 이미지 2개 중 1개 iMac G5 20" Model A1076 Midplane Assembly Replacement: 5 단계, 이미지 2개 중 2개

    • Slide the inverter toward the edge of the mid-plane, then lift it out of the iMac.

    • Be careful to not pry up against the RAM brackets.

    • When reinstalling the inverter, press the blue and white cables down in the edge of the midplane before lowering the inverter down into the midplane. The black cable can be routed near the hard drive thermal sensor cable.

    번역하기

  6. iMac G5 20" Model A1076 Midplane Assembly Replacement: 6 단계, 이미지 1개 중 1개

    • Disconnect the large inverter cable connector from the inverter by pulling straight away from its socket.

    번역하기

  7. iMac G5 20" Model A1076 Midplane Assembly Replacement: 7 단계, 이미지 1개 중 1개

    • Disconnect the small inverter cable connector by pulling it straight away from its socket.

    번역하기

  9. iMac G5 20" Model A1076 Midplane Assembly Replacement: 8 단계, 이미지 1개 중 1개

    • Disconnect the hard drive thermal sensor cable from the thermal sensor board on the hard drive bracket by pulling the cable away from the heat sink.

    번역하기

  10. iMac G5 20" Model A1076 Midplane Assembly Replacement: 9 단계, 이미지 1개 중 1개

    • Gently pull the black inverter cable to disconnect it from the logic board.

    • If you have trouble plugging this cable back in during reinstallation, remove the fan duct for more room to work.

    번역하기

  11. iMac G5 20" Model A1076 Midplane Assembly Replacement: 10 단계, 이미지 1개 중 1개

    • Flip up the inverter cable cover from its left edge and lift it out of the chassis.

    번역하기

  12. iMac G5 20" Model A1076 Midplane Assembly Replacement: 11 단계, 이미지 1개 중 1개

    • De-route the inverter cables from the inverter cable cover hook.

    번역하기

  13. iMac G5 20" Model A1076 Midplane Assembly Replacement: 12 단계, 이미지 3개 중 1개 iMac G5 20" Model A1076 Midplane Assembly Replacement: 12 단계, 이미지 3개 중 2개 iMac G5 20" Model A1076 Midplane Assembly Replacement: 12 단계, 이미지 3개 중 3개

    • Remove the inverter cables from the inverter cable cover, and disconnect both connectors.

    번역하기

  14. iMac G5 20" Model A1076 Midplane Assembly Replacement: 13 단계, 이미지 2개 중 1개 iMac G5 20" Model A1076 Midplane Assembly Replacement: 13 단계, 이미지 2개 중 2개

    • If you wish to replace just the inverter board, use a spudger to pry off its plastic cover.

    번역하기

  15. iMac G5 20" Model A1076 Midplane Assembly Replacement, Optical Drive: 14 단계, 이미지 1개 중 1개

    • Remove the four 7 mm Phillips screws securing the optical drive to the midplane.

    번역하기

  16. iMac G5 20" Model A1076 Midplane Assembly Replacement: 15 단계, 이미지 2개 중 1개 iMac G5 20" Model A1076 Midplane Assembly Replacement: 15 단계, 이미지 2개 중 2개

    • Pull the optical drive up by its white pull tab to disconnect it from the logic board.

    • Lift the free end of the optical drive just enough to clear the fan cover. Lifting the free end of the optical drive too far may break the plastic positioning pins off the front bezel.

    • Lift the free end of the optical drive slightly, then pull it away from the edge of the rear case to clear the two plastic positioning pins.

    • Lift the optical drive out of your iMac.

    • When reinstalling your optical drive it may be necessary to set the bezel attached to the open end of the drive on the plastic positioning pins molded into the front bezel of the iMac and pull the connector side of the drive toward the edge of the rear case, bending it outward slightly, to properly seat the connector.

    번역하기

  17. iMac G5 20" Model A1076 Midplane Assembly Replacement, Midplane Assembly: 16 단계, 이미지 1개 중 1개

    • Remove the two 7.3 mm shouldered Phillips screws securing the display cable connector to the logic board.

    번역하기

  18. iMac G5 20" Model A1076 Midplane Assembly Replacement: 17 단계, 이미지 2개 중 1개 iMac G5 20" Model A1076 Midplane Assembly Replacement: 17 단계, 이미지 2개 중 2개

    • Pull the display data cable up off the logic board by its black pull tab.

    • De-route the display cable from the two aluminum fingers in the mid-plane.

    번역하기

  19. iMac G5 20" Model A1076 Midplane Assembly Replacement: 18 단계, 이미지 1개 중 1개

    • Loosen the center Phillips screw securing the power supply to the front case.

    • This screw will remain captive in the power supply.

    번역하기

  20. iMac G5 20" Model A1076 Midplane Assembly Replacement: 19 단계, 이미지 1개 중 1개

    • Remove the four coarse-thread 7.8 mm Phillips screws along the top edge of the iMac.

    번역하기

  21. iMac G5 20" Model A1076 Midplane Assembly Replacement: 20 단계, 이미지 1개 중 1개

    • Remove the following two screws:

    • One 7 mm Phillips.

    • One 26 mm Phillips.

    번역하기

  22. iMac G5 20" Model A1076 Midplane Assembly Replacement: 21 단계, 이미지 1개 중 1개

    • Lift the midplane assembly out of the front case.

    • Be mindful of the inverter cables on the hard drive sie of the midplane that may get caught as you lift out the midplane.

    • During reinstallation, insert the screw heads protruding from the speakers along the lower edge of the midplane into the holes in the front bezel and thread the inverter cables through the openings in the midplane before lowering the top edge down into the front bezel.

    번역하기
결론

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

다른 4명이 해당 안내서를 완성하였습니다.

작성자

3다른 기여자 명과 함께

John

회원 가입일: 11/02/10

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