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iMac Intel 21.5" EMC 2428 AC Inlet Replacement

Introdução

Restore power to your iMac by replacing your AC inlet.

O que você precisa

  1. iMac Intel 21.5" EMC 2428 AC Inlet Replacement, Access Door: passo 1, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement, Access Door: passo 1, imagem 2 %32

    • Unplug your iMac's AC cord along with any peripheral devices.

    • Lay your iMac face-down on a soft, clean surface as shown.

    • Be sure there isn't any dirt or debris on your work surface, as it may scratch the glass panel on the front of your iMac. We recommend placing a towel between the iMac and the work surface.

    • Loosen the three Phillips screws securing the access door to the bottom edge of your iMac.

    • All three screws will remain captive in the access door.

    • Remove the access door.

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  2. iMac Intel 21.5" EMC 2428 AC Inlet Replacement, RAM: passo 2, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement, RAM: passo 2, imagem 2 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement, RAM: passo 2, imagem 3 %32

    • Gently slide the black plastic RAM pull tab out from the RAM slot.

    • Pull the black plastic tab away from the bottom edge of the iMac to eject the module(s) on that side of the RAM bay.

    • This may require a bit of force.

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  3. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 3, imagem 1 %32

    • Slide the old RAM module(s) out of their slots in the RAM bay and set them aside.

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  4. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 4, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 4, imagem 2 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 4, imagem 3 %32

    • Repeat the process in the previous steps to remove the RAM module(s) from the other side of the RAM bay.

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  5. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 5, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 5, imagem 2 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 5, imagem 3 %32

    • When installing new RAM modules, it is important to orient them correctly.

    • Be sure the small notch cut into each RAM module (shown in the first picture) mates with the protrusion in each RAM slot (shown in the second picture).

    • Your iMac has four RAM slots. Be sure to slide each RAM module into its slot horizontally. This will prevent getting the modules stuck between two of the adjacent slots.

    • Once you have oriented the new RAM modules correctly, gently slide them completely into the iMac and use your thumbs to firmly seat them in their sockets.

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  6. iMac Intel 21.5" EMC 2428 AC Inlet Replacement, Glass Panel: passo 6, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement, Glass Panel: passo 6, imagem 2 %32
    Ferramenta utilizada neste passo:
    Heavy-Duty Suction Cups (Pair)
    $14.95
    Comprar

    • Before beginning, unplug your iMac and lay it on a soft surface as shown.

    • Stick a suction cup near each of the two top corners of the glass panel.

    • To attach the suction cups we sell, first position the suction cup with the movable handle parallel to the face of the glass panel. While lightly holding the suction cup against the glass, raise the movable handle until it is parallel with the other handle.

    • If your suction cups refuse to stick, try cleaning both the glass panel and the suction cup with a mild solvent.

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  7. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 7, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 7, imagem 2 %32

    • Gently lift the glass panel perpendicular to the face of the LCD enough to clear the steel mounting pins attached along the underside of the top edge of the glass panel.

    • Pull the glass panel away from the lower edge of the iMac and carefully set it aside.

    • During reinstallation, be sure to meticulously clean the inside of the glass panel and the face of the LCD as any dust or fingerprints trapped inside will be annoyingly visible when the machine is turned on.

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  8. iMac Intel 21.5" EMC 2428 AC Inlet Replacement, Display: passo 8, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement, Display: passo 8, imagem 2 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement, Display: passo 8, imagem 3 %32

    • Remove the eight 8 mm T10 Torx screws securing the display to the outer case.

    • The last two pictures are detail shots of each side of the display.

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  9. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 9, imagem 1 %32

    • Slightly lift the top edge of the display out of the outer case.

    • Do not lift it too much. There are several cables attaching the display to the logic board. Twisting or pulling the display assembly with the cables attached will damage your iMac.

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  10. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 10, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 10, imagem 2 %32

    • Pull the vertical sync cable connector out of its socket on the LED driver board near the top left corner of your iMac.

    Editar

  11. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 11, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 11, imagem 2 %32

    • Rotate the display out of the outer case enough to disconnect the LED backlight power cable from the LED driver board.

    • Disconnect the LED backlight power cable by depressing the locking mechanism while pulling the connector away from its socket (toward the bottom edge of the iMac).

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  12. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 12, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 12, imagem 2 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 12, imagem 3 %32

    • Grab the plastic pull tab secured to the display data cable lock and rotate it towards upwards.

    • Pull the display data cable straight out of its socket on the logic board.

    • Do not lift up on the display data cable, as its socket is very fragile. Pull the cable parallel to the face of the logic board.

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  13. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 13, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 13, imagem 2 %32

    • Disconnect the LCD thermal sensor cable connector from its socket on the logic board.

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  14. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 14, imagem 1 %32

    • Carefully pull the display toward the top edge of your iMac and lift it out of the outer case, minding any cables that may get caught.

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  15. iMac Intel 21.5" EMC 2428 AC Inlet Replacement, Optical Drive: passo 15, imagem 1 %32

    • From here, the repair will be easier if you flip the computer around so the base is facing you.

    • Remove the following four screws:

    • One 9.3 mm T10 Torx screw with a large head

    • Three 9.3 mm T10 Torx screws with a normal sized head

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  16. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 16, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 16, imagem 2 %32

    • Pull the optical drive thermal sensor connector straight up from its socket on the logic board. Pull parallel to the board.

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  17. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 17, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 17, imagem 2 %32

    • Lift the inner edge of the optical drive and maneuver its connector past the GPU frame attached to the logic board.

    • Carefully pull the optical drive off its mounting pins on the right side of the outer case to gain clearance for disconnecting the optical drive cable.

    • Allow the optical drive to hang down as you de-route the optical drive thermal sensor connector from behind the GPU heat sink.

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  19. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 18, imagem 1 %32

    • Disconnect the optical drive cable by pulling its connector away from the optical drive.

    • Remove the optical drive from the iMac.

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  20. iMac Intel 21.5" EMC 2428 AC Inlet Replacement, Optical Drive Fan: passo 19, imagem 1 %32

    • Remove the single 13 mm T10 Torx screw securing the optical drive fan to the outer case.

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  21. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 20, imagem 1 %32

    • Pull the optical drive fan off the pins attached to the outer case.

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  22. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 21, imagem 1 %32

    • Pull the optical drive fan connector away from its socket on the logic board.

    • Remove the optical drive fan from the iMac.

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  23. iMac Intel 21.5" EMC 2428 AC Inlet Replacement, Logic Board: passo 22, imagem 1 %32

    • In the proceeding steps, you will disconnect the following cables:

    • SD Board

    • Left/Right Speaker and Microphone

    • Audio Port

    • Wi-Fi Antenna

    • Right Temperature Sensor, Bluetooth/Ambient Light Sensor/Camera/Left Temperature, and Hard Drive Fan

    • CPU Fan/Ambient Temperature and Power Button

    • IR Sensor

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  24. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 23, imagem 1 %32

    • Pull the SD board cable out of its socket on the logic board.

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  25. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 24, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 24, imagem 2 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 24, imagem 3 %32

    • Disconnect the microphone, left speaker, and right speaker cables by pulling their connectors toward the right side of the iMac.

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  26. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 25, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 25, imagem 2 %32

    • Use the flat end of a spudger to pry all three AirPort antenna connectors up from their sockets on the AirPort board.

    • During reinstallation, connect the cable with no stripes to the socket marked CH0, the cable with one stripe to CH1, and the cable with two stripes to CH2.

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  27. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 26, imagem 1 %32

    • Pull the hard drive fan connector toward the top edge of the iMac to disconnect it from its socket on the logic board.

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  28. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 27, imagem 1 %32

    • Use your thumbnails on both sides of the Bluetooth/ambient light sensor/camera/left temperature connector to push it toward the top edge of the iMac and out of its socket on the logic board.

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  29. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 28, imagem 1 %32

    • Use your thumbnails to push the right temperature sensor connector toward the top edge of the iMac and out of its socket.

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  30. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 29, imagem 1 %32

    • Pull the CPU fan/ambient temperature sensor connector toward the bottom left edge of the iMac and out of its socket on the logic board.

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  31. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 30, imagem 1 %32

    • Pull the power button connector toward the bottom left corner of the iMac to disconnect it from its socket on the logic board.

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  32. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 31, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 31, imagem 2 %32

    • Use your thumbs to push the IR sensor connector toward the top edge of the iMac and out of its socket on the logic board.

    • Pull the IR sensor board up from behind the front face of the outer case.

    • Remove the IR sensor and set it aside.

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  33. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 32, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 32, imagem 2 %32

    • Pull the audio port cable connector toward the left side of the iMac to disconnect it from the logic board.

    • Do not pull the cable toward yourself (away from the front face of the logic board) as you disconnect it.

    • Peel the audio port cable off the front face of the logic board and let it hang down as shown in the second picture.

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  34. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 33, imagem 1 %32

    • Remove the following seven screws:

    • Two 7 mm T10 torx screws

    • One 30 mm T10 Torx screw

    • Two 25 mm T10 Torx screws

    • Two 21 mm T10 Torx screws

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  35. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 34, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 34, imagem 2 %32

    • Remove the following four screws:

    • One 9.3 mm T10 coarse-threaded screw

    • One 25 mm T10 coarse-threaded screw

    • Two 22 mm fine-threaded screws

    • Pull the upper right and lower left corners of the power supply away from the rear case to dislodge the mounting posts attached to the power supply's corners.

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  36. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 35, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 35, imagem 2 %32

    • Carefully lift the power supply out of the outer case and rotate it to expose the cable lock as shown, minding the DC-out and AC-in cables still attaching it to the iMac.

    • Disconnect the DC-out cable by depressing the locking mechanism on the connector while you pull the connector away from its socket on the power supply.

    • Once the locking mechanism has cleared the socket, pull the DC-in connector away from the power supply.

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  37. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 36, imagem 1 %32

    • Disconnect the AC-In cable by depressing the locking mechanism while pulling the connector away from its socket.

    • Remove the power supply from the outer case.

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  38. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 37, imagem 1 %32

    • Remove the plastic wall that is installed directly to the right of the LED driver board.

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  39. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 38, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 38, imagem 2 %32

    • Slightly pull the logic board away from the back of the outer case, then lift it upward to clear the lower front face of the outer case.

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  40. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 39, imagem 1 %32

    • Disconnect the LCD temperature cable by pulling its connector up and out of its socket on the logic board.

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  41. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 40, imagem 1 %32 iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 40, imagem 2 %32

    • Depress the locking mechanism and carefully pull the DC-In cable out of its socket on the back of the logic board.

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  42. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 41, imagem 1 %32

    • Being careful not to damage the socket on the logic board, gently pull the hard drive SATA data cable straight out of its socket on the logic board.

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  43. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 42, imagem 1 %32

    • Pull the hard drive power cable connector out of its socket on the logic board.

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  44. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 43, imagem 1 %32

    • Remove the logic board from the outer case, minding any cables that may get caught.

    • When reinstalling the logic board, plug in a thunderbolt cable and a USB cable into the USB port closest to the headphone/microphone ports before tightening the logic board screws to ensure proper alignment.

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  45. iMac Intel 21.5" EMC 2428 AC Inlet Replacement, Hard Drive Fan: passo 44, imagem 1 %32

    • Remove the single 13 mm T10 Torx screw securing the hard drive fan to the outer case.

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  46. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 45, imagem 1 %32

    • Pull the hard drive fan away from the back of the outer case and remove it from the iMac.

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  47. iMac Intel 21.5" EMC 2428 AC Inlet Replacement, AC Inlet: passo 46, imagem 1 %32

    • Remove the piece of clear tape covering the body of the AC inlet.

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  48. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 47, imagem 1 %32

    • Peel the three pieces of aluminum tape off the body of the AC inlet.

    • It is not necessary to completely remove the tape from the body of the iMac.

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  49. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 48, imagem 1 %32

    • Remove the three 9.3 mm T10 Torx screws securing the AC inlet to the outer case.

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  50. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 49, imagem 1 %32

    • Follow this step if your hard drive pressure wall is still installed.

    • Pull the plastic wall installed just to the left of the hard drive away from the outer case.

    • Peel back the piece of tape securing the thermal sensor cables and remove the plastic wall from the iMac.

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  51. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 50, imagem 1 %32

    • Use a 5 mm nut driver to remove the 15.7 mm long standoff securing the AC inlet ground loop to the outer case.

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  52. iMac Intel 21.5" EMC 2428 AC Inlet Replacement: passo 51, imagem 1 %32

    • De-route the AC inlet and ground cables from their retainers in the outer case and remove the AC inlet assembly from the iMac.

    Editar
Conclusão

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

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素晴らしい！！！もっと教えてください。

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