Apple imac 20 inch late 2006 User Manual

							iMac (20-inch Late 2006) Take Apart — Optical Drive 71
While avoiding the logic board, grasp the tab with needlenose pliers, and flex the tab toward 
4.  
the optical drive. Use one finger underneath the rear edge of the optical drive to gently tilt 
up the end of the drive and remove the optical drive out of the housing.  
 
  
						

							iMac (20-inch Late 2006) Take Apart — Optical Drive 72
This photo shows the optical drive out of the computer so you can visualize how the clips 
5. 
move.  Pressing down (#1) releases the clips (#2) outward from the metal chassis.  
Caution: Never press down on or grasp the body of the optical drive when removing or 
installing it. Pressing or squeezing the body of the optical drive could damage the 
mechanism.  
6.   If replacing the optical drive, use a T6 torx screwdriver to remove two flex cable screws 
attaching to the optical drive. Note: Disconnect the flex cable and transfer it to the 
replacement drive. Go on to the next step.  
922-7817 
						

							iMac (20-inch Late 2006) Take Apart — Optical Drive 73
If replacing the optical drive, disconnect the sensor cable from the optical sensor located on 
7.  
the underside of the optical drive. Transfer the sensor cable to the replacement drive.   
						

							iMac (20-inch Late 2006) Take Apart — Optical Drive 74
Replacing the Optical Drive
1.  Install the flex cable to the optical drive with two T6 screws.  
Insert the optical drive bezel into the rear housing, lining up the bezel with the slot opening 
2.  
(#1) . Be sure to align the two guide holes in the front bezel with guide posts at each end of 
the drive access hole.  
Push down on the mounting brackets (#2) to lock the optical drive securely into place on the 
chassis.  
Caution: Never press down on or grasp the body of the optical drive when installing it. 
Pressing or squeezing the body of the optical drive could damage the mechanism.   
 
922-7817 
						

							iMac (20-inch Late 2006) Take Apart — Optical Drive 75
Connect the optical sensor cable to the logic board. Route the sensor cable under the optical 
3. 
flex cable. Connect the flex cable to the logic board and replace the T6 screws.  
Replace the display panel.
4.  
Replace the lower EMI shield.
5. 
Replace the front bezel.
6.  
Replace the access door.
7.   
						

							iMac (20-inch Late 2006) Take Apart — Hard Drive 76
Hard Drive
Tools
Torx T10 screwdriver
• 
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 — Hard Drive 77
Removing the Hard Drive
1.  Remove the two T10 screws attaching the hard drive to the DC/DC inverter board 
Disconnect the hard drive sensor cable from the connector on the logic board. Note 
2.   the 
location of the sensor on the side of the hard drive and the routing of the sensor cable 
under the heat pipes.  
 
922-6800 
						

							iMac (20-inch Late 2006) Take Apart — Hard Drive 78
Holding the drive by the metal bracket, pull the hard drive toward the inverter and then up 
3. 
to release the hard drive mounting pins from the grommets on the chassis.  
Disconnect the hard drive power and data cables from the end of the hard drive.   
4.   
						

							iMac (20-inch Late 2006) Take Apart — Hard Drive 79
5. 
If you are replacing the hard drive, transfer the temperature sensor, mounting pins, and the 
metal mounting bracket to the replacement drive.  
 
922-7001 
						

							iMac (20-inch Late 2006) Take Apart — Hard Drive 80
Replacing the Hard Drive
Attach the hard drive sensor and sensor cable to the side of the hard drive. 
1.  
Attach the mounting bracket and pins if they were removed.  Connect the hard drive data 
2.  
and power cables.