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Apple imac 17 inch late 2006 User Manual

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Page 81

iMac (17-inch Late 2006) Take Apart — Hard Drive 81
Replacing the Hard Drive
Install the temp sensor on the replacement drive.
1.  
If necessary, install two mounting pins on side of the hard drive mounting bracket.
2.  
If necessary, install the mounting bracket to the top of the hard drive with two screws.
3. 
Connect the temp sensor cable to sensor and to the logic board connector. 
4.  
Connect the hard drive power and data cables.
5. 
Insert the hard drive mounting pins and position the drive on the...

Page 82

iMac (17-inch Late 2006) Take Apart — DC-DC Board
DC-DC Board
Tools
Torx T10 screwdriver (magnetized)
• 
Preliminary Steps
Before you begin, remove:
Access doo
•  r
Front beze
•  l
Lower EMI shiel
•  d
LCD Displa
•  y
Part Location 

Page 83

iMac (17-inch Late 2006) Take Apart — DC-DC Board
Removing the DC-DC Board
Disconnect the power supply cable and the DC power cable from the DC-DC board. 
1.  
2.   Using a T10 torx screwdriver, remove the two self-tapping screw from the bottom corners of 
the board and the machine screw in the top right corner. 
922-7159 (bottom 
left)
922-7157 
(bottom right)922-6842 

Page 84

iMac (17-inch Late 2006) Take Apart — DC-DC Board
Replacing the DC-DC Board
Position the DC-DC board and install the long black self-tapping screw in the lower right 
1.  
corner, the other self-tapping screw in the lower left corner, and the machine screw in the 
top right corner. 
Connect the DC power cable and the power supply cable to connectors on the DC-DC board.
2.  
Replace the display panel.
3. 
Replace the lower EMI shield.
4.  
Replace the front bezel.
5. 
Replace the memory access door.
6.   

Page 85

iMac (17-inch Late 2006) Take Apart — Power Supply 85
Power Supply
Tools
Torx T8 screwdriver (magnetized)
• 
Torx T10 screwdriver (magnetized)
• 
Black stick
• 
Preliminary Steps
Before you begin, follow steps for removing the following:
Access doo
•  r
Front beze
•  l
Lower EMI shiel
•  d
LCD Displa
•  y
Hard Driv
•  e
Part Location 

Page 86

iMac (17-inch Late 2006) Take Apart — Power Supply 86
About the Power Supply
Warning: When the iMac is under power, be aware that the power supply contains high voltages 
that pose a potential hazard to your personal safety. Never work on or near the power supply 
with the unit powered on, and as a further precaution always make sure the unit is unplugged 
when working on it with the front bezel removed.
WARNING: HIGH VOLTAGE  Text or photographs marked by this symbol indicate that a potential hazard to...

Page 87

iMac (17-inch Late 2006) Take Apart — Power Supply 87
Removing the Power Supply
1.  WARNING: HIGH VOLTAGE 
Disconnect the AC power inlet connector on the right side of the power supply board. The 
power supply to AC cable connector is tucked under the chassis. Pry the cable from under 
the chassis with a black stick.  Next, disconnect the power supply-to-DC board on the left 
side the DC-DC board. 
2.   Using a T10 screwdriver, remove the three self-tapping screws (top right and the two on the 
left...

Page 88

iMac (17-inch Late 2006) Take Apart — Power Supply 88
Remove the power supply from the enclosure.
3. 
If you are replacing the power supply-to-logic board cable, disconnect the cable from the 
4.  
logic board and remove the cable from the enclosure. 
Note: To disconnect the cable, do the following: 
•  Rotate the computer so that the stand is away from you.  
•  Locate the power supply connector underneath the logic board.  
•  Pinch the tab and pull the connector to the left to release the connector.   

Page 89

iMac (17-inch Late 2006) Take Apart — Power Supply 89
Replacing the Power Supply
1.  WARNING: HIGH VOLTAGE 
Position the power supply loosely in its mounting location.
Connect the power supply-to-AC power inlet cable. Tuck the cable beneath the chassis and 
2.  
away from the hard drive bay.
Connect the DC-DC cable to the power supply board and to the underside of the logic board 
3. 
(if previously disconnected).
Install the four power supply screws, starting with the machine screw in the lower right...

Page 90

iMac (17-inch Late 2006) Take Apart — Logic Board 90
Logic Board
Tools
Torx T10 screwdriver (magnetized)
• 
Torx T6 screwdriver (magnetized)
• 
Preliminary Steps
Before you begin, follow steps for removing the following:
Access doo
•  r
Front beze
•  l
Lower EMI shiel
•  d
LCD Displa
•  y
Hard Driv
•  e
O
•  ptical drive
Bluetooth Board
• 
Speaker
•  s
Memor
•  y
Part Location 
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