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iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement

Introduction

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

What you need

  1. iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement, Bottom Plate: step 1, image 1 of 1

    • 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.

    Edit

  2. iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement: step 2, image 1 of 1

    • Loosen the four Phillips #0 screws.

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  3. iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement: step 3, image 1 of 1

    • 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: step 4, image 1 of 2 iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement, Bottom Plate Housing: step 4, image 2 of 2

    • Remove the four 25mm T-15 screws.

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  6. iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement: step 5, image 1 of 2 iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement: step 5, image 2 of 2

    • 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: step 6, image 1 of 1

    • Gently remove the cables marked in red.

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  8. iMac G4 17 800 MHz EMC 1936 Logic Board Assembly Replacement: step 7, image 1 of 1

    • 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: step 8, image 1 of 1

    • 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.

    Edit
Conclusion

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

9 other people completed this guide.

Author

with 10 other contributors

Justin

Member since: 10/05/11

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3 Guides authored

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Team

Cal Poly, Team 21-22, Maness Fall 2011 Member of Cal Poly, Team 21-22, Maness Fall 2011

CPSU-MANESS-F11S21G22

4 Members

13 Guides authored

One Comment

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

Courtney - Reply

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