Apple imac usb 2 0 User Manual

8 -   iMac  (USB 2.0)  Upgrades
 AirPort Extreme Card
Opening the Computer
Warning: Always shut down your computer before opening it to avoid damaging its 
internal components or causing injury. Shut down the computer and wait five 
minutes before continuing. 
1. Unplug all cables from the computer except the power cord.
2. Lay the computer down on a soft cloth. 

 iMac (USB 2.0)  Upgrades - 9
 AirPort Extreme Card 3. Loosen the four captive screws at the base of the computer and gently remove the 
access panel. 

10 -   iMac  (USB 2.0)  Upgrades
 AirPort Extreme Card
Important:
 To avoid electrostatic discharge, always ground yourself by touching 
metal before you touch any parts or install any components inside the co\
mputer. To 
avoid static electricity building back up in your body, do not walk arou\
nd the room 
until you have completed the installation and closed the computer. 
4. Touch a metal surface inside the computer. 
5. Unplug the power cord. 

 iMac (USB 2.0)  Upgrades - 11
 AirPort Extreme Card
Installing the AirPort Extreme Card
Note:  If you are replacing a defective AirPort Extreme Card, rather than adding a card, 
remove the defective card before proceeding.
1. Connect the AirPort antenna to the AirPort Extreme Card.
2. Insert the card into the AirPort Extreme slot. Push the card until you hear it click into  the slot.  

12 -   iMac  (USB 2.0)  Upgrades
 AirPort Extreme Card
Closing the Computer
1. Replace the access panel and tighten the four captive screws. 
2. Reconnect all cables and restart the computer.
Warning: Never turn on the computer unless all of its internal and external 
parts are in place and it is closed. Operating the computer when it is open or 
missing parts can damage your computer or cause injury. 

 iMac (USB 2.0)  Upgrades - 13
 AirPort Extreme Card 

© 2003 Apple Computer, Inc. All rights reserved.
 Service SourceViews
iMac (USB 2.0) 

iMac (USB 2.0) - 1
 
Exploded View, Base Unit, (iMac USB 2.0)) 
Top Housing, Base  
922-5797
Fan Gasket
922-4762
Fan Bracket
922-5092
Cap, Spoke
922-5314
Chassis (Faraday)
922-5803 (15" & 17") 922-6204 (20") Antenna
922-5795
Fan
922-4677 (15" & 17")
922-6215 (20")
Speaker
922-4678 Power Supply
922-5796 (15" & 17")
922-3104 (20")
Hard Drive661-2962 (80GB)
661-2963 (160 GB, CTO)
661-3106 (80 GB)
661-3107 (160 GB, CTO)
Optical Drive661-2964 (Combo,15")
661-3042...

2  Views
Display Panel, (20”, 1.25 GHz, USB 2.0)
 LCD Display (20")
661-2991
Housing, Rear Display
(Back Cover and Shield)
922-6138 (20")Screws, Rear Housing to Panel (4)
922-6219 (20")
Deflector, Wire, Display
922-6213 (20")
Bezel, Display (20") 922-6128
Screws, Bezel, Display (3,  1.5mm) 922-6289
Neck Extension
661-2990 (20")
Note : Identify this extension
by the label, 620-2580, tagged on the TMDS cable.  
Inverter
922-6129 (20")
Screws, Inverter (4)
922-6128 (20") 

iMac (USB 2.0) - 3
 
Display Panel, (17”, 1.25 GHz, USB 2.0)
17" LCD Display
661-2715
Housing, Rear Display
(Back Cover and Shield)
922-5299
Inverter Assembly
922-5298
Deflector, Wire, Display
922-5300
Bezel, Display922-5297
Neck Extension with cables (for 17" Display)661-2825