Installing iMac Intel 20" EMC 2133 and 2210 Audio Board

  • Add Note x

Restore sound to your iMac by replacing the audio board.

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Add Note Edit Step 1 — Access Door  ¶ 

  • Loosen the single Phillips screw in the center of the access door.

  • This screw is captive in the access door.

  • Remove the access door from your iMac.

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Add Note Edit Step 2 — Glass Panel  ¶ 

  • The glass panel is fixed onto the front bezel with fourteen magnets around its perimeter.

  • Stick two suction cups to opposing 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 such as Windex.

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Add Note Edit Step 3  ¶ 

  • Gently pull the glass panel straight up off the iMac.

  • The glass panel has several positioning pins around its perimeter. To avoid shearing these pins off the glass panel, be sure to only pull straight up during removal.

  • Be meticulous about cleaning the LCD and the inside face of the glass panel before reinstallation, as any fingerprints or dust trapped inside will be annoyingly visible when the display is on.

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Add Note Edit Step 4 — Front Bezel  ¶ 

  • Remove the following 12 screws securing the front bezel to the rear case:

    • Eight 13 mm T8 Torx.

    • Four 25 mm T8 Torx.

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Add Note Edit Step 5  ¶ 

  • The front bezel is still attached to the iMac by the microphone cable.

  • Gently lift the front bezel from its top edge off the rear case. It helps to use your thumbs to push down very gently on the corners of the display.

  • Once the top edge of the front bezel has cleared the rear case, rotate the front bezel toward the stand and lift it off the rear case.

  • When reinstalling the front bezel, start at the lower edge and make sure it is flush with the rear case before lowering the top edge onto the iMac.

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Add Note Edit Step 6  ¶ 

  • Disconnect the microphone cable connector, removing tape as necessary.

  • For the front bezel to sit properly, be sure to tuck the microphone cable and connector into the void next to the camera board.

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Add Note Edit Step 7 — Display Panel  ¶ 

  • Pull the LCD temperature sensor connector straight up out of its socket on the logic board.

  • If necessary, de-route the LCD temperature sensor cable from behind the logic board.

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Add Note Edit Step 8  ¶ 

  • Remove the two 5.3 mm T6 Torx screws securing the data display cable to the logic board.

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Add Note Edit Step 9  ¶ 

  • Use the attached black tab to pull the data display cable connector away from the logic board.

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Add Note Edit Step 10  ¶ 

  • Remove the eight 12 mm T8 Torx screws securing the display panel to the rear case.

  • Lift the display panel from its left edge and rotate it toward the right edge of the iMac.

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Add Note Edit Step 11  ¶ 

  • With the display panel still lifted, disconnect the four inverter cables.

  • During reinstallation, place the four inverter cable connectors in voids between components attached to the rear panel so the display panel will sit flush.

  • During reassembly, the order of the inverter cables is interchangeable within each socket.

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Add Note Edit Step 12 — Right Speaker  ¶ 

  • Disconnect the right speaker cable connector from the audio board by pulling it straight up from its socket.

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Add Note Edit Step 13  ¶ 

  • Remove the single 12 mm T10 Torx screw securing the right speaker to the rear case.

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Add Note Edit Step 14  ¶ 

  • Gently lift the right speaker out of the rear case.

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Add Note Edit Step 15 — Audio Board  ¶ 

  • Disconnect the left speaker cable connector from the audio board by pulling it straight away from its socket.

  • Pull the connector parallel to the face of the audio board.

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Add Note Edit Step 16  ¶ 

  • Move the antenna cables away from the audio board.

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Add Note Edit Step 17  ¶ 

  • Disconnect the microphone cable connector from the audio board by pulling it straight up from its socket.

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Add Note Edit Step 18  ¶ 

  • Using the tip of a spudger, flip up the audio to logic board ribbon cable retaining flap (toward the bottom of your iMac).

  • Pull the audio to logic board ribbon cable straight out of its socket.

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Add Note Edit Step 19  ¶ 

  • There may be a piece of foil tape connecting the audio ports to the lower case. Refer to this step for removal instructions.

  • Remove the four 5.4 mm T6 Torx screws securing the audio board to the logic board.

  • After you remove these four screws, the audio board is free from all connections and may fall.

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Add Note Edit Step 20  ¶ 

  • Carefully lift the audio board out of your iMac.

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

For more information, check out the iMac Intel 20" EMC 2133 and 2210 device page.

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