Apple powerbook g4 12 inch 1 5ghz User Manual

							PowerBook G4 (12-inch 1.5 GHz) Take Apart - 99
 How to Remove a Stuck Disc from the Slot-Load  3. Check the placement of the disc. It is either clamped to the turntable at the center of 
the disc, or it is wedged under one or more posts at the outer edge of the disc. 
4. Holding the edge of the disc, press on the center clamp or hold the posts steady as  you remove the disc from the drive. 
Important:  Do not touch any key components located near the disc.
5. Replace the top cover on the drive so that the small hooks on the top cover  fit into the 
slots on the bottom cover. Then slide the top cover into place.
6. Replace the four screws. If applicable, install the brackets, cable, and faceplate back  on the drive before returning the old drive.
7. Install the replacement drive, and reassemble and test the computer.  
						

							100 - PowerBook G4 (12-inch 1.5 GHz) Take Apart
 Bluetooth
Bluetooth
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
• AirPort Extreme Card, if installed
• Keyboard
• Top case
• Hall effect sensor board and cable
• Hard drive 
						

							PowerBook G4 (12-inch 1.5 GHz) Take Apart - 101
 Bluetooth • Modem
• DC-to-DC board
• Heatsink with fan
• Inner frame (with RJ11 board attached)
• Logic board
• Optical drive
Procedure
Warning:
 The subwoofer, located to the left of the Bluetooth board, is a sensitive device. 
Avoid touching the subwoofer as you perform this procedure.
Warning:  To avoid excessive pressure on the Bluetooth board, hold the edge of the board 
in place as you perform this procedure.
1. If tape covers part of the board, hold the board in place as you remove the tape. 
						

							102 - PowerBook G4 (12-inch 1.5 GHz) Take Apart
 Bluetooth
2. Use a black stick to disconnect the 4-pin connector from the board.
3. Holding the Bluetooth cable connector, pull it straight up to disconnect it.
4. Remove the screw from the Bluetooth board.
5. Remove the Bluetooth board from the bottom case.
6. Install the replacement Bluetooth, and reassemble and test the computer. 
						

							PowerBook G4 (12-inch 1.5 GHz) Take Apart - 103
 Subwoofer
Subwoofer
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
• AirPort Extreme Card, if installed
• Keyboard
• Top case
• Hall effect sensor board and cable
• Hard drive
• Modem
• DC-to-DC board 
						

							104 - PowerBook G4 (12-inch 1.5 GHz) Take Apart
 Subwoofer
• Heatsink with fan
• Inner frame (with RJ11 board attached)
• Logic board
• Optical drive
• Bluetooth
Procedure
Warning:
  The cone of the subwoofer is a sensitive device. Avoid touching the subwoofer 
cone as you perform this procedure.
Warning:   To avoid excessive pressure on the subwoofer, hold the edge of the subwoofer 
in place as you perform this procedure.
1. Remove the tape that covers the screw.
2. Remove the screw from the subwoofer.
3. Remove the remaining tape from the subwoofer and the loose Bluetooth cable. 
						

							PowerBook G4 (12-inch 1.5 GHz) Take Apart - 105
 Subwoofer 4.
Note:  The back edge of the subwoofer adheres to the rear panel. 
Use a black stick to pry open the adhesive seal at the rear panel. Pivot\
 the subwoofer 
away from the rear panel, and remove the subwoofer from the bottom case.\
 
5. Install the replacement subwoofer, and reassemble and test the computer. 
						

							106 - PowerBook G4 (12-inch 1.5 GHz) Take Apart
 Display Module
Display Module
Tools
This procedure requires the following tools:
•  #0 Phillips screwdriver
• #1 Phillips screwdriver
• Black stick (or other nonconductive nylon or plastic flat-blade tool)
• Tweezers or needlenose pliers (optional; for routing the AirPort antenn\
a cable)
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 
						

							PowerBook G4 (12-inch 1.5 GHz) Take Apart - 107
 Display Module • AirPort Extreme Card, if installed
• Keyboard
• Top case
• Hall effect sensor board and cable
• Hard drive
• Modem
• DC-to-DC board
• Heatsink with fan
• Inner frame (with RJ11 board attached)
• Logic board
• DC-in board
• Optical drive
• Bluetooth
• Subwoofer
Procedure
Important:
 This procedure shows the subwoofer and inner rear panel attached to the 
display module when it is removed from the bottom case. However, you can remove the 
subwoofer from the bottom case; you do not need to remove the subwoofer and display 
module together.
1. With the computer upside down, remove the two screws from the bottom case. 
						

							108 - PowerBook G4 (12-inch 1.5 GHz) Take Apart
 Display Module
2. Remove the two screws near the display hinge.
3. From the inside of the bottom case, carefully remove the tape from the AirPort 
antenna cable.
Warning:
 Do not tug on the AirPort antenna cable.