Apple powerbook g4 12 inch 1 5ghz User Manual

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 Display Module 4. Note the routing of the AirPort antenna. Using a black stick, start to thread the AirPort 
antenna cable through the AirPort Extreme Card bay.
5. Holding the antenna cable near the strain relief, start to pull the antenna cable out  through the corner of the card bay. 
						

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 Display Module
6. Support the antenna cable as you direct the antenna plug out of the opening in the 
card bay. 
						

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 Display Module 7. Place the computer with the display face up and open to a 90-degree angle or less. 
8. Tilt the top of the bottom housing forward as you rock the lower edge of the bottom 
housing back. Lift off the bottom housing from the display. 
						

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 Display Module
Important:
 The display might get caught on the hooks (shown below) on the 
bottom case. If so, gently twist the bottom case to release it from the \
display. 
When reinstalling the display, align the slots to the hooks. 
						

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 Display Module 9. Remove the four screws from the display’s inner rear panel. Make sure the 
screwdriver does not touch the speakers.
10. 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. 
						

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 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 hol\
ds the 
cables in place.
Replacement Note:
 Check that the orientation of the cables directed through the 
rear panel openings are as shown below: 
						

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 Display Module 11. Install the replacement display module, and reassemble and test the computer. 
						

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 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
• Hall effect sensor board and cable
• Hard drive
• Modem
• DC-to-DC board
• Heatsink with fan
• Inner frame (with RJ11 board attached)
• Sleep light board 
						

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 Bottom Case • Logic board
• DC-in board
• Optical drive
• Bluetooth
• Subwoofer
• Display module
Procedure
When all preliminary steps are performed, the bottom case is the part that remains.
Replacement Note:
 Make sure the inner bracket is  firmly attached to the replacement 
bottom case before assembling the computer.  
						

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 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
• Hall effect sensor board and cable