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Apple imac 17 inch flat panel User Manual

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Page 21

 
 iMac (17-inch Flat Panel)  Take Apart -  
19  
 Modem 
Modem
 
Tools
 
This procedure requires the following tools:
• Torx-8 screwdriver  
Part Location
Preliminary Steps
 
Before you begin, do the following:
• Position the computer in the service stand.
• Remove the user access plate.
• Remove the bottom housing. 

Page 22

 
20 - 
 iMac (17-inch Flat Panel) Take Apart
 Modem 
Procedure
 
1. Remove two screws and disconnect the cable.
2. Lift the modem from the connector on the logic board. 
Warning: 
 Whenever the bottom housing is opened for service, you must do two things:
1.You must clean the original thermal film from all thermal interface mating surfaces, 
and reapply thermal paste to the mating surfaces on the thermal pipe.
2. You must tighten the four torx screws on the bottom housing to a minimum of 17 
in.-lbs....

Page 23

 
 iMac (17-inch Flat Panel)  Take Apart -  
21
 Memory (factory-installed)
Memory (factory-installed)
Tools
This procedure requires the following tools:
• No tools are required
Part Location
Note: The factory-installed memory slot is identified as Slot J13 by Apple Hardware Test 
and Apple System Profiler. 
Preliminary Steps
Before you begin, do the following:
• Position the computer in the service stand.
• Remove the user access plate.
• Remove the bottom housing. 

Page 24

22 - iMac (17-inch Flat Panel) Take Apart
 Memory (factory-installed)
Procedure
1. Push down on the ejector tabs to release the memory module.
2. Pull the memory up and out of the slot.
Warning: Whenever the bottom housing is opened for service, you must do two things:
1.You must clean the original thermal film from all thermal interface mating surfaces, 
and reapply thermal paste to the mating surfaces on the thermal pipe.
2. You must tighten the four torx screws on the bottom housing to a minimum of 17...

Page 25

 iMac (17-inch Flat Panel)  Take Apart - 23
 Battery
Battery
Tools
This procedure requires the following tools:
• No tools are required
Part Location
Preliminary Steps
Before you begin, do the following:
• Position the computer in the service stand.
• Remove the user access plate.
• Remove the bottom housing. 

Page 26

24 - iMac (17-inch Flat Panel) Take Apart
 Battery
Procedure
1. Using a flatblade screwdriver, gently pry the battery from the battery holder.
Warning: Whenever the bottom housing is opened for service, you must do two things:
1.You must clean the original thermal film from all thermal interface mating surfaces, 
and reapply thermal paste to the mating surfaces on the thermal pipe.
2. You must tighten the four torx screws on the bottom housing to a minimum of 17 
in.-lbs. Use a torque driver (service tool...

Page 27

 iMac (17-inch Flat Panel)  Take Apart - 25
 Logic Board
Logic Board
Tools
This procedure requires the following tools:
• Phillips #2 screwdriver (for the plastic screw)
• Torx-15 screwdriver 
Part Location
Note: The battery, RJ-11 board, AirPort card, modem, I/O port covers, and memory (on 
the top and the bottom of the logic board) need to be removed from the logic board before 
returning the board to Apple for service.
Preliminary Steps
Before you begin, do the following:
• Position the computer in...

Page 28

26 - iMac (17-inch Flat Panel) Take Apart
 Logic Board
Procedure
1. Remove the three metal torx screws and the one plastic screw. 

Page 29

 iMac (17-inch Flat Panel)  Take Apart - 27
 Logic Board2. Grab the logic board by the battery retainer and the hard drive connector. Lift the 
board and pull back to release the board from the bottom housing and I/O ports. Note:  
The I/O port covers may come out with the logic board when it’s removed. 
3. Remove the I/O port covers from the logic board.
Warning:  Whenever the logic board is separated from the bottom housing, you must 
install new thermal pads to three surfaces on the bottom housing....

Page 30

28 - iMac (17-inch Flat Panel) Take Apart
 I/O Port Covers
I/O Port Covers
Tools
This procedure requires the following tools:
• No tools are required
Part Location
Preliminary Steps
Before you begin, do the following:
• Position the computer in the service stand.
• Remove the user access plate.
• Remove the bottom housing.
• Remove the RJ-11 board
• Remove the logic board. 
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