Apple G4 manual Backup Battery, Tools

Page 65

PowerBook G4 (1GHz/867MHz)

Backup Battery

Replacement Instructions

The following instructions explain how to replace the backup battery in the PowerBook G4 (1GHz/867MHz) computer.

Tools

• Black stick (nylon probe tool 922-5065) or other ESD-safe, non-marring tool

Preliminary Steps

Before you begin, remove the following:

•Battery

•Optical drive

© 2002 Apple Computer, Inc. All rights reserved.

Image 65

Contents Service Source PowerBook G4 1GHz/867MHz  Service Source Take Apart Tools Required Removing the Installed KeyboardKeyboard Page Page Page Installing the Replacement Keyboard Page  Apple Computer, Inc Opening the Computer Memory CardPage Page Removing the Installed Memory Card Installing the Replacement Memory Card Closing the Computer  Apple Computer, Inc Removing the Bottom Case Bottom CasePage Page Installing the Replacement Bottom Case Page  Apple Computer, Inc AirPort Card Page Page Page Removing the Installed AirPort Card Installing the Replacement AirPort Card Page Closing the Computer Page  Apple Computer, Inc Backing Up Your Data Opening the Computer Hard DrivePage Page Page Removing the Installed Hard Drive Page Installing the Replacement Hard Drive Page Closing the Computer Page  Apple Computer, Inc Preliminary Steps Modem Filter BoardTools 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 Startup Symptom ChartsHow to Use the Symptom Charts Memory error message appears on the screen System shuts down intermittently Flashing question mark appears on the screenSystem crashes or hangs intermittently System shuts down almost immediately after startupComputer beeps once at startup Error BeepsComputer beeps twice at startup Computer beeps three times at startupBattery will not eject BatteryAirPort Card Computer beeps four times at startupBattery wont charge Display latch not working DisplayPage Keyboard Hard DriveInternal hard drive will not initialize No response from any key on keyboardOptical Drive ModemNo modem dial tone Modem does not respond gets dial tonePC Card will not insert into the PC Card slot PC CardUSB device not recognized by computer FireWire or USB port is not recognizing devicesPorts No sound from speakers SoundDistorted sound from speakers VideoLatch not working Misc. SymptomsMicrophone is not working Date and Time settings reset all the timeAirPort Card installed and received a -3278 error 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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