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Введение

This guide will help you replace the optical drive fan.

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

    • To attach the suction cups, first position the suction cup with the movable handle parallel to the face of the glass panel (as highlighted in the second picture).

    • While lightly holding the suction cup against the glass, raise the movable handle until it is parallel with the other handle (as highlighted by the third picture).

    • If your suction cups refuse to stick, try cleaning both the glass panel and the suction cup with a damp soft, lint-free cloth. (Dampen with distilled water, and if needed, an equal ratio of distilled water and white vinegar for best results.)

    • Do not use the suction cups to carry the display glass because if one of them fails to stick, you could drop the screen and break it.

    • The original iMac box makes a good place to store the glass panel. Otherwise, a padded horizontal surface, like a towel on a desk will do nicely.

  1. 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. Don't use the suction cups to carry the glass panel—if either one loses its grip, the panel could fall and break.
    • 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.

    • Don't use the suction cups to carry the glass panel—if either one loses its grip, the panel could fall and break.

    • After setting the glass panel down safely, be sure to release the suction cups, as the suction force over time, can crack the glass.

    • 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.

  2. Remove the eight T10 Torx screws securing the LCD to the outer case.
    • Remove the eight T10 Torx screws securing the LCD to the outer case.

    • Be careful not to touch the display as the oil from your fingers may leave a residue that can be difficult to remove.

    • If necessary, peel the EMI gaskets located near the top center edge of the display assembly.

  3. Carefully lay the iMac stand-side down on a flat surface. Due to tight tolerances, you will have to use a thin hooked tool to lift the display out of the outer case. As seen in the first picture, we made one out of a bent paperclip. A pair of angled tweezers can also work well. Use a thin hooked tool to lift one side of the top edge of the display by its steel outer frame.
    • Carefully lay the iMac stand-side down on a flat surface.

    • Due to tight tolerances, you will have to use a thin hooked tool to lift the display out of the outer case. As seen in the first picture, we made one out of a bent paperclip. A pair of angled tweezers can also work well.

    • Use a thin hooked tool to lift one side of the top edge of the display by its steel outer frame.

    • After lifting the top edge of the display on one side, hold it out of the outer case while you use a hooked tool to lift the other side.

    • Raise and hold the display high enough to access the cables.

    • Do not lift the top edge of the display out of the outer case too far, as several short ribbon cables still connect the two components.

  4. Disconnect the vertical sync cable in the upper left corner of the screen. Use the tip of a spudger to push on the connector's side tabs and gently walk it out of its socket.
    • Disconnect the vertical sync cable in the upper left corner of the screen. Use the tip of a spudger to push on the connector's side tabs and gently walk it out of its socket.

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  6. This step brings your hands close to the exposed rear of the power supply. To avoid a high-voltage shock from the many large capacitors attached to the board, do NOT touch the rear of the power supply.
    • This step brings your hands close to the exposed rear of the power supply. To avoid a high-voltage shock from the many large capacitors attached to the board, do NOT touch the rear of the power supply.

    • Disconnect the LED backlight driver cable with your hand by pressing the tab down and sliding it towards the bottom of the display.

  7. Pull the black tab straight up to disconnect the latch on the display data cable ZIF connector. Do not pull up too hard or you will damage the connector and socket.
    • Pull the black tab straight up to disconnect the latch on the display data cable ZIF connector.

    • Do not pull up too hard or you will damage the connector and socket.

    • Continue to pull the black tab up toward the top of the device, to detach the display data cable.

  8. Use the tip of a spudger to disconnect the display power cable next to the display data cable.
    • Use the tip of a spudger to disconnect the display power cable next to the display data cable.

  9. Carefully pull the display toward the top edge of your iMac and lift it out of the iMac case.
    • Carefully pull the display toward the top edge of your iMac and lift it out of the iMac case.

  10. Lay the display face down on a flat, soft surface.
    • Lay the display face down on a flat, soft surface.

    • If you are replacing the display panel, you will need to transfer additional components from the old panel to the new one. Compare the back of the old display with the replacement display. Note all cables, sensors, and foam cushioning that are missing from the new display.

    • If there is a wire or cable underneath adhesive tape, always pull the tape off first. Do not pull on the cable directly.

    • If the cable is glued to the chassis, use a heated iOpener or a hair dryer to soften the adhesive first. You can then slide an opening pick underneath the cable to loosen it. Never pull on the delicate connectors.

    • Slide an opening pick underneath the foam cushion pieces to separate them from the display, and gently pull them off. You may need some double sided tape to re-attach them to the new display.

  11. Use the flat end of a spudger to pull the optical drive data cable out of the optical drive.
    • Use the flat end of a spudger to pull the optical drive data cable out of the optical drive.

  12. Use the tip of a spudger to pull the optical drive thermal sensor connector out of its socket.
    • Use the tip of a spudger to pull the optical drive thermal sensor connector out of its socket.

  13. Remove the four T10 Torx screws securing the optical drive to the iMac case.
    • Remove the four T10 Torx screws securing the optical drive to the iMac case.

    • The bottom left screw has a slightly bigger head than the others.

  14. Slightly lift the left edge of the optical drive and then pull it to the side to release the centering pins. Be careful not to rip the thermal sensor cable as you remove the optical drive.
    • Slightly lift the left edge of the optical drive and then pull it to the side to release the centering pins.

    • Be careful not to rip the thermal sensor cable as you remove the optical drive.

  15. Use the flat end of a spudger to pull the optical drive fan connector out of its socket. Remove the T10 Torx screw securing the optical drive fan to the iMac case. Remove the fan by pulling it straight away from iMac case, being careful not to let its cable get caught on any other cables or components.
    • Use the flat end of a spudger to pull the optical drive fan connector out of its socket.

    • Remove the T10 Torx screw securing the optical drive fan to the iMac case.

    • Remove the fan by pulling it straight away from iMac case, being careful not to let its cable get caught on any other cables or components.

Заключение

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

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Phillip Takahashi

Участник с: 22.08.2011

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