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Service Source Troubleshooting
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Symptom Charts
Error Beeps
Bulb Wire Cable
Misc. Symptoms
Battery
Procedure
Backup Battery
Replacement Notes
PowerBook G4 1GHz/867MHz Modem
Service Source Take Apart
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Service Source
Troubleshooting
PowerBook G4 (1GHz/867MHz)
© 2002 Apple Computer, Inc. All rights reserved.
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Contents
Service Source PowerBook G4 1GHz/867MHz
Service Source Take Apart
Removing the Installed Keyboard
Keyboard
Tools Required
Page
Page
Page
Installing the Replacement Keyboard
Page
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Memory Card
Opening the Computer
Page
Page
Removing the Installed Memory Card
Installing the Replacement Memory Card
Closing the Computer
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Bottom Case
Removing the Bottom Case
Page
Page
Installing the Replacement Bottom Case
Page
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AirPort Card
Page
Page
Page
Removing the Installed AirPort Card
Installing the Replacement AirPort Card
Page
Closing the Computer
Page
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Hard Drive
Backing Up Your Data Opening the Computer
Page
Page
Page
Removing the Installed Hard Drive
Page
Installing the Replacement Hard Drive
Page
Closing the Computer
Page
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Modem Filter Board
Tools
Preliminary Steps
Procedure
DC-In Board
PowerBook G4 1GHz/867MHz DC-In Board
Replacement Notes
PowerBook G4 1GHz/867MHz DC-In Board
Inverter Board
PowerBook G4 1GHz/867MHz Inverter Board
PowerBook G4 1GHz/867MHz Inverter Board
Modem
PowerBook G4 1GHz/867MHz Modem
PowerBook G4 1GHz/867MHz Modem
PowerBook G4 1GHz/867MHz Modem
PowerBook G4 1GHz/867MHz Modem
Replacement Instructions
Procedure
Page
Page
Page
Page
Page
Backup Battery
PowerBook G4 1GHz/867MHz Backup Battery
PowerBook G4 1GHz/867MHz Backup Battery
Logic Board
PowerBook G4 1GHz/867MHz Logic Board
PowerBook G4 1GHz/867MHz Logic Board
PowerBook G4 1GHz/867MHz Logic Board
PowerBook G4 1GHz/867MHz Logic Board
PowerBook G4 1GHz/867MHz Logic Board
Remove the five identical bronze colored T8 screws
PowerBook G4 1GHz/867MHz Logic Board
PowerBook G4 1GHz/867MHz Logic Board
PowerBook G4 1GHz/867MHz Logic Board
PowerBook G4 1GHz/867MHz Logic Board
PowerBook G4 1GHz/867MHz Logic Board
PowerBook G4 1GHz/867MHz Logic Board
PowerBook G4 1GHz/867MHz Logic Board
PowerBook G4 1GHz/867MHz Logic Board
PowerBook G4 1GHz/867MHz Logic Board
PowerBook G4 1GHz/867MHz Logic Board
Primary Fan
PowerBook G4 1GHz/867MHz Primary Fan
Replacement Procedure
Secondary Fan
PowerBook G4 1GHz/867MHz Secondary Fan
PC Card Cage
PowerBook G4 1GHz/867MHz PC Card Cage
PowerBook G4 1GHz/867MHz PC Card Cage
Rib Frame and Heat Exchanger
PowerBook G4 1GHz/867MHz Rib Frame and Heat Exchanger
PowerBook G4 1GHz/867MHz Rib Frame and Heat Exchanger
PowerBook G4 1GHz/867MHz Rib Frame and Heat Exchanger
PowerBook G4 1GHz/867MHz Rib Frame and Heat Exchanger
PowerBook G4 1GHz/867MHz Rib Frame and Heat Exchanger
Disconnect the audio cable at each end of the heat exchanger
PowerBook G4 1GHz/867MHz Rib Frame and Heat Exchanger
PowerBook G4 1GHz/867MHz Rib Frame and Heat Exchanger
Bulb Wire Cable
PowerBook G4 1GHz/867MHz Bulb Wire Cable
PowerBook G4 1GHz/867MHz Bulb Wire Cable
Door
PowerBook G4 1GHz/867MHz I/O Door
Display Module
PowerBook G4 1GHz/867MHz Display Module
Display module includes all three cables
PowerBook G4 1GHz/867MHz Display Module
Top Case
PowerBook G4 1GHz/867MHz Top Case
PowerBook G4 1GHz/867MHz Top Case
Service Source Troubleshooting
Symptom Charts
How to Use the Symptom Charts
Startup
Memory error message appears on the screen
Flashing question mark appears on the screen
System shuts down intermittently
System shuts down almost immediately after startup
System crashes or hangs intermittently
Computer beeps twice at startup
Error Beeps
Computer beeps once at startup
Computer beeps three times at startup
AirPort Card
Battery
Battery will not eject
Computer beeps four times at startup
Battery wont charge
Display
Display latch not working
Page
Internal hard drive will not initialize
Hard Drive
Keyboard
No response from any key on keyboard
No modem dial tone
Modem
Optical Drive
Modem does not respond gets dial tone
PC Card
PC Card will not insert into the PC Card slot
FireWire or USB port is not recognizing devices
Ports
USB device not recognized by computer
Sound
No sound from speakers
Video
Distorted sound from speakers
Misc. Symptoms
Latch not working
Date and Time settings reset all the time
AirPort Card installed and received a -3278 error
Microphone is not working
If symptom repeats, replace logic board
Screw Reference Sheet
Screw Locator
Secondary Fan
Logic Board
PC Card Cage
Rib Frame and Heat Exchanger
Exploded View
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Contents