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Apple powerbook firewire User Manual

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Page 51

 
Apple Service Source 
PowerBook (FireWire)
1 
 Take Apart
 
General
 
Tools 
Use the following tools for procedures in this chapter:
¥ 5 mm nut driver
¥ #8 Torx screwdriver (T-8)
¥ #1 Phillips screwdriver
¥ flat-head jewelerÕs screwdriver (for keyboard lock)
¥ flat-blade nylon or plastic tool (spudger)
¥ dental pick or hook tool (to open flex connectors)
¥ razor blade or X-Acto knife (to remove screw covers) 

Page 52

 
Cables 
PowerBook (FireWire)
2 
Take Apart 
Cables 
Follow these guidelines when working with cables:
¥ Ensure all cables are routed exactly when reassembling. 
Use all grooves and/or protrusions to align cabling. If the 
cable is improperly routed, you may not be able to 
reassemble the computer, or once reassembled, the 
computer may fail to function.
¥ Check that all cables are properly aligned in the 
connectors and that the connections are tight.
¥ Handle flex cables carefully. Using excessive...

Page 53

 
Expansion Bay Modules Take Apart 
PowerBook (FireWire)
3 
Procedures
 
Expansion Bay Modules 
Before you begin, unplug 
the AC adapter. 
Important: 
 You must 
remove all modules 
(batteries and drives) in 
the expansion bays before 
performing any Take Apart 
procedure. 

Page 54

 
Expansion Bay Modules Take Apart 
PowerBook (FireWire)
41 . Open the display to a 
90-degree angle to 
prevent the computer 
from tipping over 
when the expansion 
bay modules are 
removed. 
Note:  
If you open the 
display all the way, 
support the underside of 
the screen with a book or 
other flat object.
2. Pull the expansion bay 
eject arm toward you 
to eject the module.
3 . Slide the module out of 
the expansion bay. 

Page 55

 
Keyboard Take Apart 
PowerBook (FireWire)
5 
Keyboard 
Before you begin, remove 
the following:
¥ AC adapter
¥ expansion bay modules 
Note: 
 You do not need to 
disconnect and remove the 
keyboard completely to 
gain access to the hard 
drive, SDRAM DIMMs, 
backup battery, and some 
other modules.
1. Unlock the keyboard if 
it is locked. Locate the 
locking screw in the 
LED to the left of the 
F5 key and turn the 
screw counter-
clockwise. 

Page 56

 
Keyboard Take Apart 
PowerBook (FireWire)
62. Pull down on the 
keyboard release tabs 
located to the left of the 
F1 and F9 keys until 
the top portion of the 
keyboard pops up.
3. Lift the top of the 
keyboard up and pull it 
away from you to 
disengage the five tabs 
holding the keyboard in 
place. 
Important: 
 Do not lift the 
keyboard by the keycaps. 
Keycaps are not 
replaceable. 
Replacement Note: 
 Check 
that the far right tab on 
the keyboard is in the slot 
and not protruding into the...

Page 57

 
Keyboard Take Apart 
PowerBook (FireWire)
74. Flip the keyboard over 
and lay it on top of the 
palm rests and 
trackpad.
5 . Grasp the keyboard 
cable as close as 
possible to the 
connector and pull up 
to disconnect the 
keyboard from the I/O 
logic board. Rock the 
cable carefully if 
additional leverage is 
needed. 
Replacement Note: 
 
Position the cable over the 
connector and pull the 
keyboard slightly to the 
right so the cable is not 
bent. Hold the cable as 
close as possible to the...

Page 58

 
Microprocessor EMI Shield Take Apart 
PowerBook (FireWire)
8 
Microprocessor EMI Shield 
Before you begin, remove 
the following:
¥ AC adapter
¥ expansion bay modules
¥ keyboard
1 . Remove the two shield 
mounting screws.
2 . Release the latch on the 
left side of the shield, 
and lift the shield out 
of the computer. 

Page 59

 
AirPort Card Take Apart 
PowerBook (FireWire)
9 
AirPort Card 
Before you begin, remove 
the following:
¥ AC adapter
¥ expansion bay modules
¥ keyboard
¥ microprocessor EMI 
shield 
Important: 
 If no AirPort 
Card is present, park the 
antenna cable connector in 
the plastic holder next to 
the modem. This keeps the 
cable connector from 
moving around and 
possibly shorting the 
system.
1. If an AirPort card is 
installed, lift up on the 
AirPort Card tab and 
raise the card slightly, 
then...

Page 60

 
Microprocessor Board and Heat Exchanger Take Apart 
PowerBook (FireWire)
10 
Microprocessor Board and Heat Exchanger 
Before you begin, remove 
the following:
¥ AC adapter
¥ expansion bay modules
¥ keyboard
¥ microprocessor EMI 
shield
1 . Disconnect the backup 
battery from the I/O 
logic board. 
Note: 
 To remove the 
backup battery, pull it 
firmly to the left and out of 
its holder. 
Caution: 
 There is danger of 
explosion if the lithium 
backup battery is not 
replaced properly. Verify 
that the...
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