Apple powerbook g4 12 inch User Manual
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PowerBook G4 (12-inch) Take Apart - 89 Sleep Light Sleep Light Tools This procedure requires the following tools: • #0 Phillips screwdriver Part Location Preliminary Steps Before you begin, remove the following: • Battery • Memory door and memory card • Keyboard • Top case • Reed switch • Hard drive • Modem • DC-to-DC board • Heatsink with fan • Inner frame (with RJ11 board attached)
90 - PowerBook G4 (12-inch) Take Apart Sleep Light Procedure 1. Remove the screw from the sleep light board. 2. Remove the board from the bottom case. 3.Replacement Note: Make sure the bottom case has the sleep light pipe installed before installing the replacement sleep light board. 4. Install the replacement sleep light board, and reassemble and test the computer.
PowerBook G4 (12-inch) Take Apart - 91 Logic Board Logic Board 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 PowerBook G4 (12-inch)
92 - PowerBook G4 (12-inch) Take Apart Logic Board PowerBook G4 (12-inch DVI) Preliminary Steps Before you begin, remove the following: • Battery • Memory door and memory card • AirPort Extreme Card, if installed • Keyboard • Top case • Reed switch • Hard drive • Modem • DC-to-DC board • Heatsink with fan • Inner frame (with RJ11 board attached)
PowerBook G4 (12-inch) Take Apart - 93 Logic Board Procedure 1. Remove the two screws near the right edge of the board.
94 - PowerBook G4 (12-inch) Take Apart Logic Board 2. Holding the edges of the board tilt up the logic board. 3. While holding the board vertically, disconnect the DC-in connector cable from the underside of the logic board.
PowerBook G4 (12-inch) Take Apart - 95 Logic Board4. Remove the side EMI shield from the I/O ports. Warning: When installing the EMI shield over the logic board ports, make sure that the shield fits loosely and the ports are not obstructed. PowerBook G4 (12-inch) PowerBook G4 (12-inch DVI)
96 - PowerBook G4 (12-inch) Take Apart Logic Board 5. Install the replacement logic board, and reassemble and test the computer. Replacement Note: Before securing the replacement logic board in the bottom case, make sure the white plastic wireless guide is fitted against the AirPort Extreme Card carrier in the bottom case. (The wireless guide requires no screws to hold it in place.)
PowerBook G4 (12-inch) Take Apart - 97 DC-In Board DC-In Board 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 • AirPort Extreme Card, if installed • Keyboard • Top case • Reed switch (or hall effect sensor board) • Hard drive • Modem • DC-to-DC board
98 - PowerBook G4 (12-inch) Take Apart DC-In Board • Heatsink with fan • Inner frame (with RJ11 board attached) • Logic board Procedure 1. Hold the DC-in board in place as you remove the screw that attaches the board to the bottom case. Note: The screw might be hidden under the mylar sleeve at the lower corner of the board. 2. Pull the flat cable up from the adhesive on the bottom case. 3. Pull the board away from the side of the bottom housing. Use a black stick to lift up the board, if necessary.