Apple powerbook g4 12 inch User Manual
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PowerBook G4 (12-inch) Take Apart - 39 Hard Drive3. 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 bracket.
40 - PowerBook G4 (12-inch) 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) Take Apart - 41 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
42 - PowerBook G4 (12-inch) Take Apart Modem Procedure 1. Remove the two screws from the modem board. 2. Use a black stick to tilt up the modem and disconnect it from the logic board.
PowerBook G4 (12-inch) Take Apart - 43 Modem3. At the other end of the modem, disconnect the modem cable from the connector. Replacement Note: When placing the replacement modem on the logic board, be sure to align the board over the standoffs and connector on the logic board.
44 - PowerBook G4 (12-inch) Take Apart Modem Replacement Warning: For the PowerBook G4 (12-inch DVI) model, make sure you reapply the transparent tape over the end of the modem so it overlaps the heatsink at the bottom of the fan, as shown. PowerBook G4 (12-inch DVI) 4. Install the replacement modem, and reassemble and test the computer. Replacement Note: When reapplying tape around the fan, make sure the fan blades are not blocked. The image below shows the correct application of tape.
PowerBook G4 (12-inch) Take Apart - 45 DC-to-DC Board DC-to-DC Board Tools This procedure requires the following tools: • #0 Phillips screwdriver (magnetized preferred) • Black stick (or other nonconductive nylon or plastic flat-blade tool) • 14 mm socket wrench or needlenose pliers 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 Note: Although this section pictures the DC-to-DC board used in the PowerBook G4 (12- inch DVI) model, the procedure is the same for both models.
46 - PowerBook G4 (12-inch) Take Apart DC-to-DC Board Preliminary Steps Before you begin, remove the following: • Battery • Memory door and memory card • Keyboard • Top case • Hard drive • Modem Procedure 1. Disconnect the sleep light cable and the reed switch (or hall effect sensor board) cable from the DC-to-DC board.
PowerBook G4 (12-inch) Take Apart - 47 DC-to-DC Board2. Remove the three screws from the DC-to-DC board. Note: When removing the 3 mm-long screw, the magnetic latch might draw the screw toward it. The 14-mm long screw has a hex head and requires a needlenose pliers or socket wrench to remove it. Replacement Note: When replacing the DC-to-DC board, install the screws in a clockwise direction, starting with the long hex head screw.
48 - PowerBook G4 (12-inch) Take Apart DC-to-DC Board 3. Remove the two screws at the battery connector. 4. Lift off the EMI strip from the battery connector. Be sure to replace it when installing the replacement DC-to-DC board.