Apple powerbook g4 12 inch 1 5ghz User Manual
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Page 51
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 49 DC-to-DC Board DC-to-DC Board Tools This procedure requires the following tools: • #0 Phillips screwdriver (magnetized preferred) • Black stick (or other nonconductive nylon or plastic flat-blade tool) • 4 mm socket wrench or needlenose pliers 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
Page 52
50 - PowerBook G4 (12-inch 1.5 GHz) Take Apart DC-to-DC Board Preliminary Steps Before you begin, remove the following: • Battery • Memory door and memory card • Keyboard • Top case • Hard drive Procedure 1. Disconnect the sleep light cable and the hall effect sensor board cable from the DC-to- DC board.
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PowerBook G4 (12-inch 1.5 GHz) Take Apart - 51
DC-to-DC Board 2. Remove the screws from the DC-to-DC board.
Note:
When removing the 4.5-mm long screw, the magnetic latch might draw the
screw toward it. The 13.5-mm long screw has a hex head and requires a ne\
edlenose
pliers or socket wrench to remove it.
Replacement Note:
When replacing the DC-to-DC board, install the screws in the
order shown.
3. Lift off the EMI strip from the battery connector. Be sure to replace it when installing the...](http://img.usermanuals.tech/thumb/462/38857/w300_powerbook-g4-12-inch-1-5ghz-52.png "Page 53
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 51
DC-to-DC Board 2. Remove the screws from the DC-to-DC board.
Note:
When removing the 4.5-mm long screw, the magnetic latch might draw the
screw toward it. The 13.5-mm long screw has a hex head and requires a ne\
edlenose
pliers or socket wrench to remove it.
Replacement Note:
When replacing the DC-to-DC board, install the screws in the
order shown.
3. Lift off the EMI strip from the battery connector. Be sure to replace it when installing the...")
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 51 DC-to-DC Board 2. Remove the screws from the DC-to-DC board. Note: When removing the 4.5-mm long screw, the magnetic latch might draw the screw toward it. The 13.5-mm long screw has a hex head and requires a ne\ edlenose pliers or socket wrench to remove it. Replacement Note: When replacing the DC-to-DC board, install the screws in the order shown. 3. Lift off the EMI strip from the battery connector. Be sure to replace it when installing the...
Page 54
52 - PowerBook G4 (12-inch 1.5 GHz) Take Apart DC-to-DC Board 4. Place a black stick just under the top edge of the board. Do not lean the black stick on the modem board or optical drive. Disconnect the DC-to-DC board from the logic board by prying up the DC-to-DC board and removing it from the computer assembly. 5. Install the replacement DC-to-DC board, and reassemble and test the computer.
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PowerBook G4 (12-inch 1.5 GHz) Take Apart - 53
Heatsink and Fan Assembly
Heatsink and Fan Assembly
Tools
This procedure requires the following tools:
• #0 Phillips screwdriver
• #1 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...](http://img.usermanuals.tech/thumb/462/38857/w300_powerbook-g4-12-inch-1-5ghz-54.png "Page 55
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 53
Heatsink and Fan Assembly
Heatsink and Fan Assembly
Tools
This procedure requires the following tools:
• #0 Phillips screwdriver
• #1 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...")
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 53 Heatsink and Fan Assembly Heatsink and Fan Assembly Tools This procedure requires the following tools: • #0 Phillips screwdriver • #1 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...
Page 56
54 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Heatsink and Fan Assembly Procedure 1.Warning: The cone of the subwoofer, located below the heatsink and to the right of the fan, is a sensitive device. Avoid touching the subwoofer cone as you perform this procedure. 2. If tape covers any of the following screws, peel up the tape. Remove the following screws from the heatsink: • Three 6-mm long #0 Phillips screws • Two 7.5-mm long #1 Phillips screws with springs • One 12.5-mm long #0 Phillips screw •...
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PowerBook G4 (12-inch 1.5 GHz) Take Apart - 55
Heatsink and Fan Assembly 3. Remove the tape, if provided, that covers the heatsink and secures the cables in
place.
4. Near the fan, peel up the tape and remove the following screws: • One 3-mm long screw
• One 12-mm long screw
Replacement Note:
When reapplying tape around the fan, make sure the fan
blades are not blocked. The image below shows the correct application of\
tape.
5. Disconnect the inverter cable that runs along the top of the fan....](http://img.usermanuals.tech/thumb/462/38857/w300_powerbook-g4-12-inch-1-5ghz-56.png "Page 57
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 55
Heatsink and Fan Assembly 3. Remove the tape, if provided, that covers the heatsink and secures the cables in
place.
4. Near the fan, peel up the tape and remove the following screws: • One 3-mm long screw
• One 12-mm long screw
Replacement Note:
When reapplying tape around the fan, make sure the fan
blades are not blocked. The image below shows the correct application of\
tape.
5. Disconnect the inverter cable that runs along the top of the fan....")
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 55 Heatsink and Fan Assembly 3. Remove the tape, if provided, that covers the heatsink and secures the cables in place. 4. Near the fan, peel up the tape and remove the following screws: • One 3-mm long screw • One 12-mm long screw Replacement Note: When reapplying tape around the fan, make sure the fan blades are not blocked. The image below shows the correct application of\ tape. 5. Disconnect the inverter cable that runs along the top of the fan....
Page 58
56 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Heatsink and Fan Assembly 7. Holding the heatsink plate, begin to lift up the heatsink assembly, being careful where it catches on remaining tape and the chassis. Use a black stick to pry up the middle right corner of the heatsink plate. Warning: To avoid bending the heatsink, support the heatsink as it is removed. 8. Note the placement of the thermal pads. Make sure you replace the thermal pads whenever the heatsink is removed or replaced.
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PowerBook G4 (12-inch 1.5 GHz) Take Apart - 57 Heatsink and Fan Assembly 9. Note the correct routing of the cables when the heatsink is installed. . 10. Install the replacement heatsink, and reassemble and test the computer.
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58 - PowerBook G4 (12-inch 1.5 GHz) Take Apart
Inner Frame
Inner Frame
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](http://img.usermanuals.tech/thumb/462/38857/w300_powerbook-g4-12-inch-1-5ghz-59.png "Page 60
58 - PowerBook G4 (12-inch 1.5 GHz) Take Apart
Inner Frame
Inner Frame
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")
58 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inner Frame Inner Frame 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