Apple ibook g4 User Manual

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 How to Add Spiral Tubing to Protect the Inverter Ca-
How to Add Spiral Tubing to 
Protect the Inverter Cable
The inverter cable can be pinched or damaged during reassembly of the bottom case. To 
protect the inverter cable, add spiral tubing to the cable, as shown in this procedure.
Important:  Do not pull, twist, or strain the cable as you perform this procedure.
Tools
• Soft cloth
• Black stick (or other nonconductive nylon or plastic tool)
Preliminary Steps
Before you begin,...

41 - iBook G4 Take Apart
 How to Add Spiral Tubing to Protect the Inverter Ca- 3. Release the cable from the channel in the frame.
4. Holding the cable steady, wrap the spiral tubing around the cable at the clutch.
5. Make sure the tubing covers the cable where it exits the display.
6. Route the cable through the channel in the frame, and connect it to the logic board. 

iBook G4 Take Apart - 42
 How to Add Spiral Tubing to Protect the Inverter Ca-7.Important:  Create enough slack in the cable near the connector to relieve tension on 
the cable. Secure the connector and cable with a strip of Kapton tape, as shown.
8. Reassemble and test the computer.  

43 - iBook G4 Take Apart
 DC-In Board
DC-In 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 
• Bottom case
• Bottom shield 

iBook G4 Take Apart - 44
 DC-In Board
Procedure
1. With the computer on a soft cloth, disconnect the DC-in cable from the underside of 
the logic board.
2. Remove any tape that holds the cable to the frame or logic board.
3. Route the cable from the guides in the chassis. 

45 - iBook G4 Take Apart
 DC-In Board 4. Remove the two identical screws from the DC-in board. 
5. Tilt up the DC-in board, and pivot it out of the frame.
6. Remove the DC-in board from the computer assembly. 
7. Install the replacement DC-in board, and reassemble and test the computer.  

iBook G4 Take Apart - 46
 Fan
Fan
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 
• Bottom case
• Bottom shield 

47 - iBook G4 Take Apart
 Fan
Procedure
1. With the computer on a soft cloth, remove any tape that holds the fan and cable in 
place.
2. Remove the four identical screws from the fan. 
Replacement Note: When reassembling the computer, the replacement fan might 
include a piece of tape that secures the cable to the body of the fan. Make sure the 
tape is not blocking the fan blade movement. Install the screws in the order shown. 

iBook G4 Take Apart - 48
 Fan3. Lift the fan from the computer, and use a black stick to disconnect the connector from 
the logic board. 
4. Install the replacement fan, and reassemble and test the computer.
Replacement Note: Before installing the fan, make sure it is securely connected, 
and fresh tape is applied. 

49 - iBook G4 Take Apart
 Top Case
Top Case
Tools
This procedure requires the following tools:
• Soft cloth
• Jeweler’s flat-blade screwdriver
• #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