Apple powerbook g4 12 inch 1 5ghz User Manual
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PowerBook G4 (12-inch 1.5 GHz) Take Apart - 35
Top Case 11. Raise the top case up slightly from the bottom case until you can access the cables
that are connected under the top case.
12. Important: Do not forcefully remove the top case.
With the cables still connected, carefully move the top case aside to di\
sconnect the
microphone cable and power cable.
13. Remove the top case from the computer.](http://img.usermanuals.tech/thumb/462/38857/w64_powerbook-g4-12-inch-1-5ghz-36.png "Page 37
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 35
Top Case 11. Raise the top case up slightly from the bottom case until you can access the cables
that are connected under the top case.
12. Important: Do not forcefully remove the top case.
With the cables still connected, carefully move the top case aside to di\
sconnect the
microphone cable and power cable.
13. Remove the top case from the computer.")
![Page 39
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 37
Top Case 15. Before installing a replacement top case, check the cable routing of the power button
cable, microphone cable, and trackpad cable.
Make sure the cables are routed correctly and cannot be pinched when ins\
talling the
top case.
16. Install the replacement top case, and reassemble and test the computer.](http://img.usermanuals.tech/thumb/462/38857/w64_powerbook-g4-12-inch-1-5ghz-38.png "Page 39
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 37
Top Case 15. Before installing a replacement top case, check the cable routing of the power button
cable, microphone cable, and trackpad cable.
Make sure the cables are routed correctly and cannot be pinched when ins\
talling the
top case.
16. Install the replacement top case, and reassemble and test the computer.")
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 39 Hall Effect Sensor Board and Cable 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. Tilt up the board, and free the cable from the cable routing guides along the lower edge of the optical drive. 3. Lift up the tape, if provided, from the corner of the optical drive. 4. Disconnect the 3-pin connector from CN4 at the DC-to-DC board. 5. Install the replacement board, and reassemble and test the computer.
40 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Hall Effect Sensor Board and Cable Replacement Note: Make sure the cable is routed correctly in the cable guides along the lower edge of the optical drive.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 41 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
42 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Hard Drive • Keyboard • Top case Procedure 1. Disconnect the hard drive flex cable. 2. Remove two screws from the hard drive bracket.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 43 Hard Drive 3. Use the flex cable to lift up the hard drive, bracket, and cable from the computer housing. 4. Turn over the hard drive and remove the two screws from the underside of the drive.
44 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Hard Drive 5. Peel up the flex cable from its double-sided tape. 6. Use a black stick to pry the flex cable connector up slightly on each side, and then pull it straight off the drive. Be careful not to bend any pins. 7. Remove the two screws and grommets from the opposite side of the drive. 8. Replacement Note: When installing the replacement drive, make sure the center flange of the hard drive bracket fits over the small post on the computer frame. 9. Install the replacement hard drive, and reassemble and test the computer.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 45 Modem Modem Tools This procedure requires the following tools: • #0 Phillips 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
46 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Modem Procedure 1.Warning: When removing the modem, be careful not to strain the modem cable or shield. Do not apply pressure to the modem. Read all of the procedure before removing and replacing the modem. 2. Remove the three identical screws from the modem board and shield. 3. Use a black stick to tilt up the modem and disconnect it from the logic board.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 47 Modem 4. Tilt up the modem board and shield. 5. Disconnect the modem cable.
48 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Modem 6. Install the replacement modem, and reassemble and test the computer. Replacement Caution: When placing the replacement modem on the logic board, be sure to align the board and shield over the modem connector on\ the logic board. Handle the modem by the edges only. When securing the modem to the logic board, press only on the rectangular area (highlighted in green i\ n the following image) that is directly over the modem connector. Replacement Note: Reapply tape over the modem cable as shown: