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Apple ibook g4 14 early 2004 User Manual

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Page 51

iBook G4 (14-inch) Take Apart - 50
 Top Case2. Turn over the computer. Using a black stick, pry up the sides of the trackpad cable 
connector to release the trackpad cable.
3. Remove the three screws from the keyboard well:
• Two identical 4.5-mm long Phillips screws
• One 3.5-mm long Phillips screw at lower left corner 

Page 52

51 - iBook G4 (14-inch) Take Apart
 Top Case 4. Use a soft cloth to protect the computer.
5. Using a black stick, begin to carefully separate the top case from the computer 
assembly.
Reposition the computer as you work around the top case to open up the seam that 
joins the top case and bottom case.
6. While continuing to loosen the top case, use caution around the battery bay. If 
necessary, flex the inner frame to release that corner of the top case. 

Page 53

iBook G4 (14-inch) Take Apart - 52
 Top Case7. Place the computer on its side, and with most of the top case loosened, tilt the top 
case away from the computer latch.
Warning: The top case is connected to the computer assembly with delicate 
cables. Do not remove the top case until the cables are disconnected (see the 
next steps). 
Warning: When performing this step, make sure the speaker cable and shorter 
power switch cable are not strained.  

Page 54

53 - iBook G4 (14-inch) Take Apart
 Top Case 8. With the top case loosened, tilt the top case away from the computer assembly so you 
can see the shorter power switch cable and the longer speaker cable. 

Page 55

iBook G4 (14-inch) Take Apart - 54
 Top Case9. With the cables still attached, place the computer upright with the top case off center. 
10. While holding the cables steady, use a black stick to carefully disconnect the cables 
from the logic board.
11. Remove the top case from the computer. 

Page 56

55 - iBook G4 (14-inch) Take Apart
 Top Case 12. Before installing the replacement top case, make sure it includes the following: 
• Speaker set
• Power button and board (under left speaker)
• Speaker cable and power switch cable
• Trackpad assembly with board and cable
• Display latch
• Sleep magnet (on palm rest below left speaker)
–Replacement Note: The sleep magnet can pop off during the top case removal. 
Make sure the sleep magnet is in place when replacing the top case.   
13.Important: Make sure...

Page 57

iBook G4 (14-inch) Take Apart - 56
 Top Case14. Install the replacement top case, and reassemble and test the computer.
Note: When installing the replacement top case, connect the power switch cable 
connector (the shorter cable) first. Then connect the speaker cable connector. Do not 
strain the cables.
Replacement Note: The trackpad cable (orange flex cable) is barely visible 
underneath the lower center of the keyboard well. When the top case is removed, the 
trackpad cable is automatically...

Page 58

57 - iBook G4 (14-inch) Take Apart
 Sleep Light Board
Sleep Light Board
Tools
• Soft cloth
• #0 Phillips screwdriver
• Black stick (or other nonconductive nylon or plastic tool)
Part Location
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 

Page 59

iBook G4 (14-inch) Take Apart - 58
 Sleep Light Board
Procedure
1. With the computer on a soft cloth, note the location of the sleep light board connector 
on the logic board.
Note: When reassembling the computer, make sure the sleep light board is 
positioned as shown and does not get caught between the top and bottom case.
2. Peel up any tape that may hold the cable in place.
3. Disconnect the cable that attaches the sleep light board to the logic board.
Caution:  Be careful not to bend the spring clip...

Page 60

59 - iBook G4 (14-inch) Take Apart
 Sleep Light Board 5. Remove the sleep light board and holder from the frame.
6. Install the replacement sleep light board, and reassemble and test the computer. 
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