Apple powerbook g4 12 inch 1 5ghz User Manual
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![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....](http://img.usermanuals.tech/thumb/462/38857/w64_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....")
![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](http://img.usermanuals.tech/thumb/462/38857/w64_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")
![Page 63
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 61
Inner Frame 6. Near the fan, disconnect the two connectors shown
• four-pin connector
• two-pin connector
Replacement Warning:
When reassembling the computer, notice the two black
insulated cables that run along the bottom of the fan. To avoid damaging\
the
cables, make sure that the thinner twisted cable is routed on top of the\
thicker fan cable and that both cables are routed between the fan and th\
e
modem standoff, as shown.](http://img.usermanuals.tech/thumb/462/38857/w64_powerbook-g4-12-inch-1-5ghz-62.png "Page 63
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 61
Inner Frame 6. Near the fan, disconnect the two connectors shown
• four-pin connector
• two-pin connector
Replacement Warning:
When reassembling the computer, notice the two black
insulated cables that run along the bottom of the fan. To avoid damaging\
the
cables, make sure that the thinner twisted cable is routed on top of the\
thicker fan cable and that both cables are routed between the fan and th\
e
modem standoff, as shown.")
![Page 65
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 63
Inner Frame 8.
Important: Check the appearance of the RJ11 modem board. Two RJ11 assemblies
are possible:
• If the RJ11modem board has one screw that secures the modem filter board\
to the frame (as shown below), remove the 6-mm long screw.
• If there are two screws that secure the RJ11 modem panel to the frame, g\
o to the next step.](http://img.usermanuals.tech/thumb/462/38857/w64_powerbook-g4-12-inch-1-5ghz-64.png "Page 65
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 63
Inner Frame 8.
Important: Check the appearance of the RJ11 modem board. Two RJ11 assemblies
are possible:
• If the RJ11modem board has one screw that secures the modem filter board\
to the frame (as shown below), remove the 6-mm long screw.
• If there are two screws that secure the RJ11 modem panel to the frame, g\
o to the next step.")
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 59 Inner Frame • Hard drive • Modem • DC-to-DC board • Heatsink Procedure 1. Note the cable routing before disconnecting cables. Replacement Note: Reserve any tape for securing cables after the frame replacement. 2. Warning: The subwoofer cone, located below the right corner of the frame, is a sensitive device. Avoid touching the cone as you perform this procedure. 3. Disconnect the connector from the upper right corner of the logic board.
60 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inner Frame 4. Warning: Be careful not to strain the LVDS cable. Near the I/O ports, • disconnect the LVDS cable by using the pull-tab on the connector • disconnect the 6-pin connector Replacement Note: When reinstalling the LVDS cable, tuck the pull-tab under the frame. 5. Remove the screw that secures the LVDS cable to the frame.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 61 Inner Frame 6. Near the fan, disconnect the two connectors shown • four-pin connector • two-pin connector Replacement Warning: When reassembling the computer, notice the two black insulated cables that run along the bottom of the fan. To avoid damaging\ the cables, make sure that the thinner twisted cable is routed on top of the\ thicker fan cable and that both cables are routed between the fan and th\ e modem standoff, as shown.
62 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inner Frame 7. Peel up any remaining tape, and remove the screws from the frame.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 63 Inner Frame 8. Important: Check the appearance of the RJ11 modem board. Two RJ11 assemblies are possible: • If the RJ11modem board has one screw that secures the modem filter board\ to the frame (as shown below), remove the 6-mm long screw. • If there are two screws that secure the RJ11 modem panel to the frame, g\ o to the next step.
64 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inner Frame 9. Remove the two screws from the RJ11 board. 10. Tilt up the RJ11 board, and remove the 6-mm long screw at the frame. Replacement Note: When replacing the RJ11 board, make sure the peg on the underside of the board fits in the hole in the frame.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 65 Inner Frame 11. Disconnect the optical drive flex cable. 12. Pull up the hall effect sensor cable from a few of the cable routing guides only until it clears the frame.
66 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inner Frame 13. Lift up the frame, being careful where it catches on the optical drive flex cable and other cables.
PowerBook G4 (12-inch 1.5 GHz) Take Apart - 67 Inner Frame Replacement Note: When installing the replacement frame, note the routing of the cables through the frame channels.
68 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inner Frame 14. Remove the tape that secures the RJ11 modem board and cable to both sides of the frame. Transfer the RJ11 board and cable to the replacement frame. Note: The appearance of the RJ11 modem board depends on the one installed in the computer you are servicing. Both possibilities are shown below.