Apple ibook g4 14 inch mid 2005 User Manual

							
 
16 -   
iBook G4 (14-inch Mid 2005) Troubleshooting  Symptom Charts 
Fan fails
1. Check fan cable connection, and check cable for damage.
2. Check fan for loose parts stuck in fan blades.
3. Replace fan.
4. Replace logic board.
Trackpad works intermittently
The trackpad operation can be affected by hand lotion, humidity, dangling jewelry, and the 
use of more than one finger on the trackpad. 
1. Check for environmental factors such as humidity, hand lotion, or jewelry.
2. Clean the trackpad with a clean, dry lint-free cloth. 
Related articles: 17228: Portables: Jumpy or Erratic Trackpad Operation
58389: PowerBook and iBook: Trackpad Does Not Respond
Greasy substance in battery bay
A small amount of grease is used on the springs in the battery bay. Inform customers that 
the grease helps the springs operate correctly. The grease is not harmful and should not 
cause alarm. However, if it comes in contact with skin, wash it off with soap and water.
Refer to Knowledge Base article 88369: iBook: White Greasy Substance in Battery Bay. 
						

							
iBook G4 (14-inch Mid 2005) Troubleshooting - 17
 Symptom Charts
Block Diagram
External
display
connector
Ethernet port FireWire port
Internal
speakers Headphone port
Internal
microphone
AGP 4X
bus
Memory bus 133 or
142 MHz MaxBus
PMU99
power controller
Trackpad
Keyboard
Power supply and charger
SO-DIMM connector
Graphics IC
32 MB DRAM
Flat-panel display
Audio
system
Ethernet PHY
FireWirePHY
PowerPC G4
microprocessor
(L2 cache: 512 KB)
512 MB on-board SDRAM
PCI bus
Boot
ROM
USB 2.0 port
USB 2.0 port
PCI USB
controller
AirPort
Extreme
ATA-100 bus
EIDE bus
Connector to internal
IDE disk drive
Connector to internal
optical drive
I
2S
USB 1.1Modem port
Modem moduleBluetooth
Data pump and DAA
Intrepid
memory
controller and I/Odevice
controller 
						

							 
© 2005 Apple Computer, Inc. All rights reserved.
 

 
 
 
Service Source
Views
 
iBook G4 (14-inch Mid 2005) 
						

							 
iBook G4 (14-inch Mid 2005) Views -   
1  
  
Slot-Load Optical Drive Side View
Ports Side View
Bottom Case View 
						

							 
2 -  
iBook G4 (14-inch Mid 2005) Views 
iBook G4 (14-inch Mid 2005): Main Exploded View
Top Case
922-6869
Top Shield
922-6865
DC-In Board
922-6912Reed Switch Cable
922-6932Bezel, Optical Drive
922-6622  TEAC
922-6264 Optical Drive
Combo 661-3637
Super Drive 661-3638 Bracket, Optical Drive
922-6175Flat Cable
922-6650 Bracket, Optical Cable
922-6616Fan
922-6618 Heatsink Bridge
922-6155 Heatsink
922-6864
Battery Transfer
Board
922-6183 Sleep Light Board
922-6187 Bottom Shield
922-6937 Holder, Hard
Drive Connector
922-6904 Connector, Hard Drive
922-6911 Bracket, Hard Drive
922-6833 Hard Drive
40 GB 661-3632
60 GB 661-3633
80 GB 661-3634
100 GB 661-3635
Modem Shield
922-6840
Modem (Not Shown)
922-6492 Memory Card
256 MB 661-3688
512 MB 661-3689
1 GB 661-3690Logic Board
661-3651 RAM Shield
922-6834 Keyboard
922-6913
Y-Shaped Bracket
922-6918I/O Bezel
922-6172 AirPort/Bluetooth Card
661-3692
RJ 11 Modem Cable
922-6927
Battery
661-3699 Bottom Case
922-6862 Vent Cover
922-6180 Frame
922-6916 
						

							 
iBook G4 (14-inch Mid 2005) Views -   
3  
  
iBook G4 (14-inch Mid 2005): Display Exploded View
Display Housing
922-6863
Shield, LCD Panel
922-6372
LCD Panel
661-3652
Inverter Cable
922-6915
Inverter Board
922-5019
Bezel Brace
922-6371
Display Bezel
922-6370
Clutch Cover
922-6263 Clutch Cap, Right
922-6151 Clutch Cap, Left
922-6150 AirPort/Bluetooth
Antenna Cables
922-6914 Microphone Cable
922-6931 LVDS Cable
922-6867
Magnet and Shield
(Not Offered)