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Apple
Powerbank G4
manual
Service Source Take Apart
Models:
Powerbank G4
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Hardware Symptom Charts
Bluetooth
Password
Error Beeps
Wire and Flex Cables
Misc. Symptoms
Apple Service Diagnostic ASD
ZIF connector locking Bar
Display Panel Assembly
Battery
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Service Source
Take Apart
PowerBook G4
(17-inch)
© 2003 Apple Computer, Inc. All rights reserved.
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Contents
Service Source PowerBook G4 17-inch
Service Source Take Apart
Overview
New Procedures
General Information
Important Notes
Tools
Serial Number Location
Zero Insertion Force Connectors
To release the flex cable
To connect a flex cable
Battery
Part Location Preliminary Steps
Procedure
Memory Door Memory Cards
Procedure
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Top Case
Part Location
Preliminary Steps
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Replacement Procedure
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Keyboard
Procedure
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Replacement Procedure
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Hard Drive
Procedure
Page
Sound Board
Procedure
Page
SuperDrive
Procedure
Page
Backup Battery Board
Procedure
Modem
Procedure
PC Card Cage AirPort Extreme Assembly
Procedure
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Page
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Page
Bluetooth
Procedure
Page
Speakers
Procedure
Page
DC-In Board
Procedure
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Page
Logic Board
Preliminary Steps
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Page
Replacement Procedure
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Display Panel Assembly
Procedure
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Replacement Procedure
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Page
Heatsink and Fan Assembly
Procedure
Bottom Case Assembly
Procedure
Service Source Troubleshooting
Wire and Flex Cables
Cable or Flex Cable Name Signals Running Through It
Cable or Flex Cable Name Signals Running Through It
Potential flex cable and connector issues
ZIF connector locking Bar
Broken connectors on the flex cable
Cable is not secured straight
Cables nicked or crimped
Apple Hardware Test 2.0.1 AHT
Hardware Troubleshooting Tools and Tips
Apple Service Diagnostic ASD
General Information PowerBook G4 17-inch Troubleshooting
Resetting the Power Manager Unit PMU
Power-on pads on logic board
PMU NMI and PMU Reset pads on logic board
Caps lock LED power check
Customer forgot password
Software Troubleshooting Tips and Tools
Login window and account
Safe Mode
Knowledge Base Articles
Hardware Symptom Charts
How to Use the Symptom Charts
Power Adapter Note
Startup
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Prohibitory Sign Kernel Panic dialog box
Flashing question mark appears on the screen
System shuts down intermittently
System shuts down almost immediately after startup
Computer beeps once at startup
Error Beeps
Application Quits, Kernel panic or other booting problems
Computer beeps four times at startup
Computer beeps twice at startup
Computer beeps three times at startup
AirPort connection is slow
AirPort Extreme Card
AirPort Extreme Card not recognized
Battery wont charge
Battery
Battery will not eject
Bluetooth
Bluetooth Card not recognized by other devices
Display
Display latch not working
Hard Drive
Internal hard drive will not initialize
No keyboard illumination
Keyboard
No response from any key on keyboard
Microphone is not working
Microphone
Half keyboard is illuminated
Modem does not respond can hear dial tone
Modem
No modem dial tone
Optical Drive
Difficulty writing to optical media
PC Card does not mount to the desktop
PC Card
PC Card will not insert into the PC Card slot
USB port is not recognizing devices
FireWire port is not recognizing devices
Ports
USB device not recognized by computer
Sound
No sound from speakers
Distorted sound from speakers
Cursor intermittently does not move or moves erratically
Cursor does not move when you are using trackpad
Trackpad
Video
Sleep LED does not come on when lid is closed
Misc. Symptoms
Date and Time settings reset all the time
Feet came off the bottom case
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Service Source Views
PowerBook G4 17-inch Exploded View
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Contents