Apple imac 20 inch late 2006 User Manual

iMac (20-inch Late 2006) Take Apart — AirPort Extreme Card 61
Removing the AirPort Extreme Card
1.  Disconnect the two AirPort antennas and remove the two T6 screws.  
The board pops up when the screws are removed. Pull the AirPort Extreme card out of the 
2.  
slot in the direction of the arrow.  
 
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iMac (20-inch Late 2006) Take Apart — AirPort Extreme Card 62
Replacing the AirPort Extreme Card
See the following section on compatibility to order the replacement part by EEE code.
1.  
Align the AirPort Extreme card with the slot on the logic board. Insert the board into the slot.
2.  
Replace the two T6 AirPort Extreme card screws.
3. 
Connect the antenna cables to the AirPort Extreme card.
4.  
Replace the lower EMI shield.
5. 
Replace the front bezel.
6.  
Replace the access door.
7.  
Checking...

iMac (20-inch Late 2006) Take Apart — AirPort Extreme Card 63
To locate the EEE code on the logic board, locate the memory slot inside the computer. Locate 
the last four digits in the serial number. Drop the last digit, in this case, the letter “A.” The EEE code 
is the next three digits. In this case the EEE code is “WZH.”  
EEE Code Table
Use the table below to identify the logic board and AirPort Extreme card EEE codes for the iMac 
system. Order the correct service part based upon the corresponding...

iMac (20-inch Late 2006) Take Apart — AirPort Extreme Card 64
iMac ModelLogic Board 
Part #Logic Board 
EEE CodeAirPort 
Extreme Card 
Part #AirPort 
Extreme Card 
EEE Code
iMac (20-inch Late 
2006) 661-4110, 
Board , Logic, 
2.16 GHz, 256VV9
VVB 
WZG 
WZJ661-4060, 
B661-4060, 
J661-4060, 
KH661-4060, 
PA661-4060, 
Z661-4060
VZL 
VZM 
VZN 
VZR 
VZP 
VZQ
iMac (20-inch Late 
2006) 661-4111, 
Board , Logic, 
2.33 GHz, 256W52,
W54 
WZL 
WZN661-4060, 
B661-4060, 
J661-4060, 
KH661-4060, 
PA661-4060,...

iMac (20-inch Late 2006) Take Apart — Bluetooth Board 65
Bluetooth Card
Tools
Torx T6 screwdriver
• 
Preliminary Steps
Before you begin, remove the following:
A
•  ccess door
F
•  ront bezel
Lower EMI shiel
•  d
Speaker
•  s
Part Location   

iMac (20-inch Late 2006) Take Apart — Bluetooth Board 66
Removing the Bluetooth Board
1.  Using a T6 torx screwdriver, remove the two screws on the Bluetooth board and disconnect 
the antenna from the card.  
Lift the card off the logic board.  
2.  
 
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iMac (20-inch Late 2006) Take Apart — Bluetooth Board 67
Replacing the Bluetooth Board
Press the Bluetooth board onto the logic board connector.  
1.  
Connect the Bluetooth antenna to the Bluetooth board.  
2.   Note: Make sure the card and 
antenna are securely connected before installing the speakers.
Replace the two T6 Bluetooth board screws.
3. 
Replace the speakers and speaker screws. 
4.  
Replace the lower EMI shield.
5. 
Replace the front bezel.
6.  
Replace the access door.
7.   

iMac (20-inch Late 2006) Take Apart — Optical Drive 68
Optical Drive
Tools
Torx T10 screwdriver
• 
Torx T6 screwdriver
• 
Needlenose pliers (with teeth)
• 
Preliminary Steps
Before you begin, remove the following:
A
•  ccess door
F
•  ront bezel
Lower EMI shield
• 
Display Pane
•  l
Part Location 

iMac (20-inch Late 2006) Take Apart — Optical Drive 69
Removing the Optical Drive
1.  Remove the two T6 wafer head screws from the optical drive flex cable. Disconnect the 
flexible cable and the optical drive sensor cable from the logic board.  
Caution: Never press down on or grasp the body of the optical drive. Pressing or squeezing 
the body of the optical drive could damage the mechanism.  
Note
2.   : Make sure to use a needlenose pliers with teeth to remove the optical drive. The pliers 
must have...

iMac (20-inch Late 2006) Take Apart — Optical Drive 70
Locate the black tabs at each side of the plastic optical drive mounting bracket. Starting at 
3. 
the release tab that is furthest from the logic board, grasp the tab with needlenose pliers, 
and flex the tab toward the optical drive flexible cable. Use one finger underneath the edge 
of the optical drive to gently lift up that corner of the drive.  
Warning: iMac main logic boards returned with physical damage such as scratches, fractures, 
or...