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Apple powerbook g4 12 inch dvi User Manual

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Page 121

PowerBook G4 (12-inch) Take Apart - 119
 Display Module8. Remove the four screws from the display’s inner rear panel. Make sure the 
screwdriver does not touch the speakers.
9. Remove the inner rear panel with attached speakers by routing the cables through the 
slots in the rear panel.
Replacement Note:
 When installing the rear panel, hold the routed cables away 
from the path of the screws. 

Page 122

120 - PowerBook G4 (12-inch) Take Apart
 Display Module Replacement Note:
 When installing the rear panel, check that the twisted pair of 
speaker cables is completely recessed in the panel and that the tape holds the 
cables in place.
Replacement Note:
 Check that the orientation of the cables directed through the 
rear panel openings are as shown below: 

Page 123

PowerBook G4 (12-inch) Take Apart - 121
 Display Module10. Install the replacement display module, and reassemble and test the computer. 

Page 124

122 - PowerBook G4 (12-inch) Take Apart
 Bottom Case
Bottom Case
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
• Heatsink with fan
• Inner frame (with RJ11 board attached)
• Sleep light board
• Logic board
• DC-in board 

Page 125

PowerBook G4 (12-inch) Take Apart - 123
 Bottom Case• Optical drive
• Bluetooth
• Subwoofer
• Display module
Procedure
When all preliminary steps are performed, the bottom case is the part that remains.
Replacement Note: For the PowerBook G4 (12-inch DVI) model, transfer the inner 
bracket from the existing bottom case to the battery well in the replacement bottom case. 
Refer to the Top Case section in this chapter for more information. 

Page 126

124 - PowerBook G4 (12-inch) Take Apart
 Display Housing
Display Housing
Tools
This procedure requires the following tools:
• 1.5 mm hex driver
• Black stick (or other nonconductive nylon or plastic flat-blade tool) 
• Optional: Credit card (or other thin plastic card)
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) 

Page 127

PowerBook G4 (12-inch) Take Apart - 125
 Display Housing• Hard drive
• Modem
• DC-to-DC board
• Heatsink with fan
• Inner frame (with RJ11 board attached)
• Logic board
• DC-in board
• Optical drive
• Display module
Procedure
1. Remove the two 5-mm long hex screws from the front bezel. 

Page 128

126 - PowerBook G4 (12-inch) Take Apart
 Display Housing 2. Use a black stick or thin plastic credit card around the outer edge of the bezel to 
separate the display housing tabs from the display assembly. 
Warning:
 To avoid damage to the antenna receptors or inner cables, do not poke the 
black stick or credit card inside the display. Keep the tool at a nearly horizontal plane 
with the display bezel as you loosen the display assembly from the display housing. 
Note:
 In the image above, the Bluetooth...

Page 129

PowerBook G4 (12-inch) Take Apart - 127
 Display Housing3.Warning: Handle the display assembly and cables with care. Do not strain or pinch 
the cables. Do not apply pressure to or bend the antenna receptors.
Gently lift the display assembly off of the display housing. 
With the antenna cables still attached, place the display assembly on the tabletop 
opposite the display housing.
Important:
 Keep the display assembly and housing in this open orientation (shown 
below) for the remaining steps. 

Page 130

128 - PowerBook G4 (12-inch) Take Apart
 Display Housing 4. Note the routing of the antenna cables. Peel up the tape that holds the cables in place.
Warning:
 Handle the antenna receptors and cables with care. Do not strain or pinch 
the cables. Do not apply pressure to or bend the antenna receptors.
5.Warning: The tabs that hold the antenna cables in place are delicate. Avoid pressure 
on the tabs.
Using a black stick, release the antenna cables from the inner tabs.
6. Move up the side of the display...
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