Apple powerbook g4 12 inch 1 5ghz User Manual
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![Page 29
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 27
Keyboard 9. Install the replacement keyboard. Make sure you
• Set the tabs at the bottom of the keyboard into the slots in the top cas\
e.
• Press the keyboard into place, and install the screws and round stickers\
.
• Install the function keys:
– Position the key directly over the scissor mechanism.
– Press the key onto the scissor.
– Check the operation of the key.
• Close the display and install the final screw in the memory bay.
10. Reassemble and test...](http://img.usermanuals.tech/thumb/462/38857/w64_powerbook-g4-12-inch-1-5ghz-28.png "Page 29
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 27
Keyboard 9. Install the replacement keyboard. Make sure you
• Set the tabs at the bottom of the keyboard into the slots in the top cas\
e.
• Press the keyboard into place, and install the screws and round stickers\
.
• Install the function keys:
– Position the key directly over the scissor mechanism.
– Press the key onto the scissor.
– Check the operation of the key.
• Close the display and install the final screw in the memory bay.
10. Reassemble and test...")
![Page 30
28 - PowerBook G4 (12-inch 1.5 GHz) Take Apart
Top Case
Top Case
Tools
This procedure requires the following tools:
• #0 Phillips screwdriver
• Black stick (or other nonconductive nylon or plastic flat-blade tool) \
• Hex 1.5 mm screwdriver
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](http://img.usermanuals.tech/thumb/462/38857/w64_powerbook-g4-12-inch-1-5ghz-29.png "Page 30
28 - PowerBook G4 (12-inch 1.5 GHz) Take Apart
Top Case
Top Case
Tools
This procedure requires the following tools:
• #0 Phillips screwdriver
• Black stick (or other nonconductive nylon or plastic flat-blade tool) \
• Hex 1.5 mm screwdriver
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")
![Page 31
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 29
Top Case
Procedure
1.Warning: The screws in the battery bay require holding the screwdriver at an
angle. Be careful not to strip the screws.
Note: Avoid scratching the external housing by using care when removing the
screws. You might want to cover part of the housing with a soft cloth as\
you remove
screws.
With the computer upside down on a soft cloth, remove the three screws f\
rom the
bottom case at the battery bay.
2. Remove the screws near the...](http://img.usermanuals.tech/thumb/462/38857/w64_powerbook-g4-12-inch-1-5ghz-30.png "Page 31
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 29
Top Case
Procedure
1.Warning: The screws in the battery bay require holding the screwdriver at an
angle. Be careful not to strip the screws.
Note: Avoid scratching the external housing by using care when removing the
screws. You might want to cover part of the housing with a soft cloth as\
you remove
screws.
With the computer upside down on a soft cloth, remove the three screws f\
rom the
bottom case at the battery bay.
2. Remove the screws near the...")
![Page 33
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 31
Top Case 4. Remove two screws from the front right side of the top case.
Note:
The shape of the two 3-mm long screws differs from most of the screws us\
ed
in the computer. The screw has a collar under the screw head.
Replacement Note:
In addition to securing the top case to the bottom case, the two
3-mm long screws help secure an inner bracket to the battery well. Make \
sure the
bracket and two latches are installed in the bottom case before...](http://img.usermanuals.tech/thumb/462/38857/w64_powerbook-g4-12-inch-1-5ghz-32.png "Page 33
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 31
Top Case 4. Remove two screws from the front right side of the top case.
Note:
The shape of the two 3-mm long screws differs from most of the screws us\
ed
in the computer. The screw has a collar under the screw head.
Replacement Note:
In addition to securing the top case to the bottom case, the two
3-mm long screws help secure an inner bracket to the battery well. Make \
sure the
bracket and two latches are installed in the bottom case before...")
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 29 Top Case Procedure 1.Warning: The screws in the battery bay require holding the screwdriver at an angle. Be careful not to strip the screws. Note: Avoid scratching the external housing by using care when removing the screws. You might want to cover part of the housing with a soft cloth as\ you remove screws. With the computer upside down on a soft cloth, remove the three screws f\ rom the bottom case at the battery bay. 2. Remove the screws near the display hinge.
30 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Top Case 3. Open the display, and with the computer upright, remove the following 14 screws from the top case: • one Hex, 16.5-mm long screw at upper right corner near power button • one Hex, 7-mm long screw at upper left corner near microphone • one #0 Phillips, 14.5-mm long screw in keyboard well • five #0 Phillips, 4.5-mm long screws in keyboard well • six #0 Phillips, 2.5-mm long screws in keyboard well Replacement Note: When replacing the top case screws, install the screws in the order shown.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 31 Top Case 4. Remove two screws from the front right side of the top case. Note: The shape of the two 3-mm long screws differs from most of the screws us\ ed in the computer. The screw has a collar under the screw head. Replacement Note: In addition to securing the top case to the bottom case, the two 3-mm long screws help secure an inner bracket to the battery well. Make \ sure the bracket and two latches are installed in the bottom case before replacin\ g the top case. 5. Remove two screws from the front left side of the top case. Replacement Note: When installing the top case, install these two 5.5-mm long screws before installing the 3-mm long screws.
32 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Top Case 6. Place the computer on its side, and loosen but do not remove the half of the top case that is closest to the display.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 33 Top Case 7. At the battery bay, note the two plastic latches that hold the top case to the bottom case. 8. Use a black stick to release both latches.
34 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Top Case 9. Use a black stick running along the front edge of the top case to loosen—but not remove—the top case from the bottom case. 10. In the keyboard well, pull up the looped end of the trackpad cable to disconnect it.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 35 Top Case 11. Raise the top case up slightly from the bottom case until you can access the cables that are connected under the top case. 12. Important: Do not forcefully remove the top case. With the cables still connected, carefully move the top case aside to di\ sconnect the microphone cable and power cable. 13. Remove the top case from the computer.
36 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Top Case 14. The top case includes the following: • Microphone cable • Trackpad and trackpad cable • Power button and cable • Tape • Welded EMI strips • Magnet in keyboard well • Foam spacers • Thermal pad near upper right corner
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 37 Top Case 15. Before installing a replacement top case, check the cable routing of the power button cable, microphone cable, and trackpad cable. Make sure the cables are routed correctly and cannot be pinched when ins\ talling the top case. 16. Install the replacement top case, and reassemble and test the computer.
38 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Hall Effect Sensor Board and Cable Hall Effect Sensor Board and Cable Tools This procedure requires the following tools: • Phillips #0 screwdriver • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Preliminary Steps Before you begin, remove the following: • Battery • Memory door and memory card • Keyboard • Top case