Apple powerbook g4 12 inch User Manual
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PowerBook G4 (12-inch) Take Apart - 29 Top Case8. Use a black stick running along the edge of the top case to loosen—but not remove— the top case from the bottom case. Use equal pressure at the front, left, and right corners.
30 - PowerBook G4 (12-inch) Take Apart Top Case 9. In the keyboard well, pull up the looped end of the trackpad cable to disconnect it. 10. Raise the top case up slightly from the bottom case until you can access the cables that are connected under the top case. 11.Important: Do not forcefully remove the top case. With the cables still connected, carefully move the top case aside to disconnect the microphone cable and power cable. 12. Remove the top case from the computer.
PowerBook G4 (12-inch) Take Apart - 31 Top Case13. The top case includes the following: • Microphone cable • Trackpad and trackpad cable • Power button and cable • Tape • Welded EMI strips • Magnet in keyboard well
32 - PowerBook G4 (12-inch) Take Apart Top Case 14. Before installing a replacement top case, check the cable routing of the • Microphone cable • Trackpad cable • Power button cable Make sure the cables are routed correctly and cannot be pinched when installing the top case. 15. Install the replacement top case, and reassemble and test the computer.
PowerBook G4 (12-inch) Take Apart - 33 Reed Switch Board and Cable: PowerBook G4 (12- Reed Switch Board and Cable: PowerBook G4 (12-inch) Tools This procedure requires the following tools: • Phillips #0 screwdriver • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Preliminary Steps Before you begin, remove the following: • Battery • Memory door and memory card • Keyboard • Top case
34 - PowerBook G4 (12-inch) Take Apart Reed Switch Board and Cable: PowerBook G4 (12- Procedure 1. Remove the screw from the reed switch board. Warning: When replacing the board, make sure you use the same screw. A longer screw could scratch the optical media. 2. Tilt the board up and away from the tab at the battery area. 3. Lift up the tape from the corner of the optical drive, if provided. 4. Disconnect the 3-pin connector from CN4 at the DC-to-DC board. 5. Install the replacement reed switch board and cable, and reassemble and test the computer.
PowerBook G4 (12-inch) Take Apart - 35 Hall Effect Sensor Board and Cable: PowerBook G4 Hall Effect Sensor Board and Cable: PowerBook G4 (12-inch DVI) Tools This procedure requires the following tools: • Phillips #0 screwdriver • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Preliminary Steps Before you begin, remove the following: • Battery • Memory door and memory card • Keyboard • Top case
36 - PowerBook G4 (12-inch) Take Apart Hall Effect Sensor Board and Cable: PowerBook G4 Procedure 1. Remove the screw from the hall effect sensor board. Warning: When replacing the board, make sure you use the same screw. A longer screw could scratch the optical media. 2. Remove the tape, if provided, from the corner of the optical drive, and disconnect the 3-pin connector from CN4 at the DC-to-DC board. 3. Remove the board with cable from the computer assembly. 4. Install the replacement hall effect sensor board and cable, and reassemble and test the computer.
PowerBook G4 (12-inch) Take Apart - 37 Hard Drive Hard Drive Tools This procedure requires the following tools: • #0 Phillips screwdriver • Black stick (or other nonconductive nylon or plastic flat-blade tool) Note: To organize the screws you remove from the computer, use a tray with divided compartments (such as a plastic ice cube tray). Part Location Preliminary Steps Before you begin, remove the following: • Battery • Memory door and memory card
38 - PowerBook G4 (12-inch) Take Apart Hard Drive • Keyboard • Top case Procedure 1. Disconnect the hard drive flex cable. 2. Remove two screws from the hard drive bracket.