Introduzione

Use guide to replace a worn or broken track ball assembly.

Parti

Nessuna parte richiesta.

Orient the computer so the battery is facing you.
  • Orient the computer so the battery is facing you.

  • Slide the gray plastic battery cover to the right.

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Pull the battery toward yourself until it is fully detached.
  • Pull the battery toward yourself until it is fully detached.

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  • Orient the computer right side up with the rear facing you.

  • Open the Input/Output (I/O) door.

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  • Carefully bend the door into an arch until one of the pins releases from its slot.

  • Once one of the pins is free, remove the I/O door from the computer.

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  • Orient the computer with the bottom facing up and rear facing you. You should be able to read the Macintosh label in this position.

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  • Use a T8 torx screwdriver to remove the 6.8mm long screw above and to the right of the modem jack.

  • Twist counter clockwise to remove the screw.

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  • Use a T10 torx screwdriver to remove the four, 18mm long screws from the lower case.

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  • Place your hands on the lower case, just above the I/O panel, and slowly lift the lower case a few inches above the main body of the computer.

  • Release the large, gray interconnect ribbon cable just behind the I/O panel.

  • Caution: Lower case cannot be fully removed until two plastic clips in the front corners are released. See the following step for details.

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  • Place your thumb on the upper case, inside the empty battery slot, and your index finger near your thumb on the left side of the lower case.

  • Pinch your thumb and index finger towards each other to release the clip. Without releasing pressure on the pinch grip, use your index finger to push the lower case upwards.

  • Lift the lower case to remove it.

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  • Locate the trackball assembly. It is in the upper case and can be identified by a green circuit board.

  • Open the white tab fastener by pulling out on each side. and remove the green and silver ribbon cable.

  • Remove the green and silver ribbon cable by gently pulling it away from the opened tab fastener.

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  • Use a T8 torx screwdriver to remove the six, 6.8mm long screws from the top of the green circuit board.

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  • Remove all four components of the trackball assembly by lifting upward.

  • The four components of the trackball assembly should include: the green circuit board, a metal support, the track ball, and the casing.

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Conclusione

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

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John

Membro da: 12/10/2011

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Team

Cal Poly, Team 6-3, Regan Fall 2011 Membro di Cal Poly, Team 6-3, Regan Fall 2011

CPSU-REGAN-F11S6G3

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