Apple powerbook g4 12 inch 1 33ghz User Manual

PowerBook G4 (12-inch 1.33 GHz) Take Apart - 59
 Inner Frame8. Remove the 6-mm long screw at the RJ11 board.
9. Disconnect the optical drive flex cable.
10. Pull up the hall effect sensor cable from a few of the cable routing guides only until it 
clears the frame. 

60 - PowerBook G4 (12-inch 1.33 GHz) Take Apart
 Inner Frame 11. Lift up the frame, being careful where it catches on the optical drive flex cable and 
other cables. 

PowerBook G4 (12-inch 1.33 GHz) Take Apart - 61
 Inner FrameReplacement Note:
 When installing the replacement frame, note the routing 
of the cables through the frame channels. 

62 - PowerBook G4 (12-inch 1.33 GHz) Take Apart
 Inner Frame 12. Remove the tape that secures the RJ11 board and cable to both sides of the frame. 
Transfer the RJ11 board and cable to the replacement frame.
13. Remove the screws that secure the EMI strip to the frame. Transfer the EMI strip to the 
replacement frame. 

PowerBook G4 (12-inch 1.33 GHz) Take Apart - 63
 Inner Frame14. Remove the screws from the fan. Transfer the fan to the replacement frame. (Refer to 
Fan in this chapter.)
Replacement Note:
 Check that the replacement frame includes a thermal pad next 
to the fan, as shown by the blue rectangle in the following image.
15. Install the replacement frame, and reassemble and test the computer. 

64 - PowerBook G4 (12-inch 1.33 GHz) Take Apart
 RJ11 Modem Board and Cable
RJ11 Modem Board and Cable
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
• Keyboard...

PowerBook G4 (12-inch 1.33 GHz) Take Apart - 65
 RJ11 Modem Board and Cable• Hall effect sensor board and cable
• Hard drive
• Modem
• DC-to-DC board
• Heatsink with fan
• Inner Frame
Procedure
1. With the inner frame removed from the computer, remove the tape that secures the 
RJ11 board and cable to both sides of the frame.
Replacement Note:
 Reapply the tape to the frame. Refer to the RJ11 cable routing 
in the images below.  

66 - PowerBook G4 (12-inch 1.33 GHz) Take Apart
 RJ11 Modem Board and Cable 2. Remove the EMI shield from the RJ11 board. The board includes the attached cable 
and connector.
3. Secure the replacement RJ11 modem board and cable to the frame, and reassemble 
and test the computer. 

PowerBook G4 (12-inch 1.33 GHz) Take Apart - 67
 Fan
Fan
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
• Keyboard
• Top case
• Hall effect Sensor Board
• Hard...

68 - PowerBook G4 (12-inch 1.33 GHz) Take Apart
 Fan • Modem
• DC-to-DC board
• Heatsink
• Inner Frame
Procedure
1. With the inner frame removed from the computer, remove the three identical screws 
that secure the fan to the frame.
2. Note the routing of the fan cable in the channel of the frame.
Replacement Note:
 Route the fan cable as shown. 
3. Secure the replacement fan to the frame, and reassemble and test the computer.