Apple imac 20 inch late 2006 User Manual

iMac (20-inch Late 2006) Take Apart —Fan, CPU 111
Removing the CPU Fan 
Once the logic board and speakers have been removed, the fan will be disconnected.  Lift the fan 
straight up and out of the rear housing.   
  

iMac (20-inch Late 2006) Take Apart —Fan, CPU 11 2
Replacing the CPU Fan
Lower the fan onto the white standoffs in the rear housing. Push it down snug onto the 
1.  
posts.   
Replace the logic board.
2.  
Replace the speakers.
3. 
Replace the display panel.
4.  
Replace the IR Board.
5. 
Replace the antennas.
6.  
Replace the lower EMI shield.
7.  
Replace the front bezel.
8.  
Replace the memory access door.
9.  

iMac (20-inch Late 2006) Take Apart — Inverter 113
Inverter
Tools
Torx T10 screwdriver
• 
Preliminary Steps
Before you begin, remove the following:
A
•  ccess door
F
•  ront bezel
Lower EMI shield
• 
Display Pane
•  l
Sp
•  eakers
Hard driv
•  e
Part Location 

iMac (20-inch Late 2006) Take Apart — Inverter 11 4
Removing the Inverter 
1.  Remove the T10 screw located in the bottom left corner on the inverter board. ..  
Flip over the inverter board to locate the inverter-to-DC cable connector. Disconnect the 
2.  
cable; lift the inverter out of the rear housing.  
922-6800 

iMac (20-inch Late 2006) Take Apart — Inverter 11 5
Replacing the Inverter 
Connect the
1.    inverter cable to the DC cable . Tuck the cable under the inverter board as you 
flip the inverter over to the left.  
2.  Replace the inverter screw.  
Replace the hard drive. Connect the two hard drive cables.
3. 
Replace the logic board.
4.  
922-6800 

iMac (20-inch Late 2006) Take Apart — Inverter 11 6
Replace the speakers.
5. 
Replace the display panel.
6.  
Replace the IR Board.
7.  
Replace the lower EMI shield.
8.  
Replace the front bezel.
9. 
Replace the memory access door.
10.   

iMac (20-inch Late 2006) Take Apart —Ambient Light Sensor Board —11 7
Ambient Light Sensor Board
Tools
A black stick or equivalent tool 
• 
Preliminary Steps
Before you begin, remove the following:
A
•  ccess door
F
•  ront bezel
Lower EMI shield
• 
Display Pane
•  l
Sp
•  eakers
Hard driv
•  e
Logic boar
•  d
Part Location 

iMac (20-inch Late 2006) Take Apart —Ambient Light Sensor Board —11 8
Removing the Ambient Light Sensor Board 
With a black stick, remove the rubber bumper between the chassis and the ambient light 
1.  
sensor board.  
With the rubber bumper gone, use a black stick, pry the ambient light sensor off the inside 
2.  
of the rear housing.  Note: Never poke the ambient light or you could damage the sensor 
board. 

iMac (20-inch Late 2006) Take Apart —Ambient Light Sensor Board —11 9
Replace the Ambient Light Sensor Board
Press the sticky side of the ambient light sensor board to the bottom inside edge of the rear 
1.  
housing.
Install the rubber bumper between the back of the sensor board and the chassis.
2.  
Replace the logic board.
3. 
Replace the speakers.
4.  
Replace the display panel.
5. 
Replace the lower EMI shield.
6.  
Replace the front bezel.
7.  
Replace the memory access door.
8.   

iMac (20-inch Late 2006) Take Apart —Camera and IR Cable 120
Cable, Camera and IR
Tools
No tools are required to remove the camera cable.
Preliminary Steps
Before you begin, remove the following:A
•  ccess door
F
•  ront bezel
Lower EMI shield
• 
IR Board
• 
Display 
•  panel
Optical drive
• 
Part Location