Apple ibook g4 early 2004 User Manual

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 Modem: iBook G4 (Early 2004)3. Carefully grasping the ends of the modem board and shield, lift them straight up to 
disconnect them from the logic board. 
4. Disconnect the cable from the upper end of the modem board. 

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 Modem: iBook G4 (Early 2004) 5. Install the replacement modem, and reassemble and test the computer.
Replacement Note: Before installing the replacement modem, make sure 
• the modem flex cable tab is between the shield and the board
• no cables are blocking the modem connector on the logic board. 

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 Modem: iBook G4 (Early 2004)Replacement Caution:  Handle the modem by the edges only. When securing the 
modem to the logic board, press only on the rectangular area (highlighted in green in 
the following image) that is directly over the modem connector. 

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 Bluetooth
Bluetooth
Tools
• Soft cloth
• #0 Phillips screwdriver
• Black stick (or other nonconductive nylon or plastic 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 
• Keyboard and RAM shield
• AirPort Extreme Card
• Memory card
• Bottom case
• Bottom shield 

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 Bluetooth• DC-in board
• Top case
• Top shield
Procedure
1. With the computer on a soft cloth, disconnect the cable from the Bluetooth board and 
the logic board.
2. Disconnect the antenna cable from the Bluetooth board.
3. Remove the screw from the Bluetooth board. 

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 Bluetooth 4. Without putting pressure on the optical drive, support the antenna board holder in 
place as you slide out the antenna board.
5.Note: If the antenna board holder is attached securely, you do not need to replace it 
when installing a replacement Bluetooth antenna board. However, if you are replacing 
the optical drive with a new drive, remove the antenna board holder and install a new 
one on the replacement optical drive. The antenna board holder adheres to the...

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 Bluetooth6. Install the replacement Bluetooth board and antenna, and reassemble and test the 
computer. 

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 Optical Drive
Optical Drive
Note: Depending on the configuration of a customer’s computer, the optical drive can be 
either a CD-ROM drive or a combination CD-RW/DVD-ROM drive. The replacement 
instructions are the same whichever optical drive is installed.
Tools
• Soft cloth
• #0 Phillips screwdriver
• Black stick (or other nonconductive nylon or plastic tool)
Note: To organize the screws you remove from the computer, use a tray with divided 
compartments (such as a plastic ice...

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 Optical Drive
Preliminary Steps
Before you begin, remove the following:
• Battery 
• Keyboard and RAM shield
• AirPort Extreme Card
• Memory card
• Bottom case
• Bottom shield
• DC-in board
• Top case
• Top shield
Procedure
1. With the computer on a soft cloth, peel up any tape on top of the optical drive.
2. If you are replacing the optical drive with a new drive, refer to Bluetooth in this 
chapter to remove the Bluetooth antenna and holder from the lower edge of the optical...

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 Optical Drive 3. Remove the following from the optical drive:
• 5-mm long screw at upper right corner of drive
• 5-mm long screw at lower right corner of drive
• 7.5-mm long screw (with identifiable collar under screw head) at lower left corner of 
drive
• 3-mm long screw at upper left corner of drive
Replacement Note: When replacing the optical drive, install the screws in the 
sequence shown below.
4. Disconnect the optical drive ribbon cable from the logic board.