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iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement

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Removing the logic board assembly to replace it with a new one.

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  1. iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement, Bottom Plate: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Unplug all the cables from the computer, including the power cable. Lay the computer face-down, supporting the neck and base with a soft cloth under the screen.

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  2. iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Loosen the four Phillips #0 screws.

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  3. iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Carefully remove the base access panel.

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  5. iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement, Bottom Plate Housing: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement, Bottom Plate Housing: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the four 25mm T-15 screws.

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  6. iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Open the housing plate.

    • Be gentle with the wires still connected to the logic board so as not to ruin the cables.

    • A fixed plug connector between the logic board and upper unit will cause some resistance. Pull gently but firmly.

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  7. iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement, Logic Board Assembly: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Gently remove the cables marked in red.

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  8. iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the three metal 10mm T-15 screws.

    • Remove the one nylon 10mm T-15 screw.

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  9. iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Using thumbs and forefingers, firmly grasp the battery holder in one hand while grasping the metal bar in the other. Gently lift and pull the logic board to release it.

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

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Justin

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Cal Poly, Team 21-22, Maness Fall 2011 crwdns2935289:0Cal Poly, Team 21-22, Maness Fall 2011crwdne2935289:0

CPSU-MANESS-F11S21G22

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We need to say what cables to remove in step 6 of Logic Board Assembly

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