Apple powerbook g4 12 inch 1 5ghz User Manual
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![Page 86
84 - PowerBook G4 (12-inch 1.5 GHz) Take Apart
Logic Board
4. Remove the side EMI shield from the I/O ports.
Warning:
When installing the EMI shield over the logic board ports, make sure tha\
t
the shield fits loosely and the ports are not obstructed.
Replacement Warning:
If the shield is improperly installed, the EMI fingers
at the mini DVI port can bend under and obstruct the port. Make sure the\
port
is not blocked when installing the EMI shield and when installing the to\
p case.](http://img.usermanuals.tech/thumb/462/38857/w64_powerbook-g4-12-inch-1-5ghz-85.png "Page 86
84 - PowerBook G4 (12-inch 1.5 GHz) Take Apart
Logic Board
4. Remove the side EMI shield from the I/O ports.
Warning:
When installing the EMI shield over the logic board ports, make sure tha\
t
the shield fits loosely and the ports are not obstructed.
Replacement Warning:
If the shield is improperly installed, the EMI fingers
at the mini DVI port can bend under and obstruct the port. Make sure the\
port
is not blocked when installing the EMI shield and when installing the to\
p case.")
![Page 87
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 85
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 h\
old it in place.)
Replacement Note:
If you are reinstalling the same logic board, make sure
you carefully remove the old...](http://img.usermanuals.tech/thumb/462/38857/w64_powerbook-g4-12-inch-1-5ghz-86.png "Page 87
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 85
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 h\
old it in place.)
Replacement Note:
If you are reinstalling the same logic board, make sure
you carefully remove the old...")
![Page 88
86 - PowerBook G4 (12-inch 1.5 GHz) Take Apart
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
• Hall effect sensor board and cable
• Hard drive
• Modem
• DC-to-DC board](http://img.usermanuals.tech/thumb/462/38857/w64_powerbook-g4-12-inch-1-5ghz-87.png "Page 88
86 - PowerBook G4 (12-inch 1.5 GHz) Take Apart
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
• Hall effect sensor board and cable
• Hard drive
• Modem
• DC-to-DC board")
![Page 89
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 87
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...](http://img.usermanuals.tech/thumb/462/38857/w64_powerbook-g4-12-inch-1-5ghz-88.png "Page 89
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 87
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...")
![Page 91
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 89
Optical Drive
Optical 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
• AirPort Extreme Card, if...](http://img.usermanuals.tech/thumb/462/38857/w64_powerbook-g4-12-inch-1-5ghz-90.png "Page 91
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 89
Optical Drive
Optical 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
• AirPort Extreme Card, if...")
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 89 Optical Drive Optical 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 • AirPort Extreme Card, if installed • Keyboard
90 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Optical Drive • 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 Procedure 1. Remove the two screws from the shoulder bracket at the upper right corner of the optical drive.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 91 Optical Drive 2. Use a black stick to remove the shoulder bracket. 3. Remove the two screws from the slot load bezel. Replacement Note: When installing the replacement optical drive in the bottom case, make sure the slot load bezel is flush against the slot in the side of the bottom case before installing the screws. Check that the felt at the slot opening is even and not mashed. Replacement Warning: Make sure you use the same screws to secure the bezel. Using the wrong sized screws could permanently damage the drive.
92 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Optical Drive 4. Tilt up the optical drive and remove it from the computer.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 93 Optical Drive 5. Turn over the drive and remove the three screws from the L-shaped EMI bracket on the bottom of the drive. 6. Remove the two screws near the cable from the L-shaped EMI bracket at the bottom of the drive.
94 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Optical Drive 7. Remove the bottom L-shaped EMI bracket.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 95 Optical Drive 8. Remove the screws from the L-shaped EMI bracket on the top of the drive. 9. Lift off the L-shaped EMI bracket from the top of the drive. 10. Disconnect the flex cable.
96 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Optical Drive 11. Install the replacement optical drive, and reassemble and test the computer. Note: The optical drive bezel is included with the replacement drive, so do not remove it.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 97 How to Remove a Stuck Disc from the Slot-Load How to Remove a Stuck Disc from the Slot-Load Drive The following instructions explain how to remove a disc that is stuck in the slot-load optical drive. Important: When a disc becomes stuck in the slot-load optical drive, it makes the drive unusable. Make sure you have a replacement drive available. Tools This procedure requires the following tools: • ESD wriststrap and mat • #0 Phillips screwdriver • Black stick (or other nonconductive nylon or plastic tool) Preliminary Steps Before you begin, remove the optical drive from the computer. If brackets, a cable, and a faceplate are attached to the drive, use a screwdriver and black stick to remove them. Note: The following image shows a sample drive with brackets, cable, and faceplate attached. Your drive might have a different appearance.
98 - PowerBook G4 (12-inch 1.5 GHz) Take Apart How to Remove a Stuck Disc from the Slot-Load Procedure 1. Remove the four identical screws that hold the top cover to the drive. 2. Slide the top cover approximately 2 mm toward the back of the drive. Lift up the top cover to remove it.