Apple powerbook g4 12 inch 1 5ghz User Manual

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...

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...

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
•...

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.