Apple imac 17 inch User Manual
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Page 11
![Page 11
Procedure
1. Unplug all cables from the computer except the power cord.
2. Important: To avoid electrostatic discharge, always ground yourself by touching
metal before you touch any parts or install any components inside the co\
mputer. To
avoid static electricity building back up in your body, do not walk arou\
nd the room until
you have completed the installation and closed the computer.
3. Touch a metal surface inside the computer to ground yourself.
4. Unplug the power cord.
5. Push the tabs...](http://img.usermanuals.tech/thumb/462/38776/w300_imac-17-inch-1ghz-10.png "Page 11
Procedure
1. Unplug all cables from the computer except the power cord.
2. Important: To avoid electrostatic discharge, always ground yourself by touching
metal before you touch any parts or install any components inside the co\
mputer. To
avoid static electricity building back up in your body, do not walk arou\
nd the room until
you have completed the installation and closed the computer.
3. Touch a metal surface inside the computer to ground yourself.
4. Unplug the power cord.
5. Push the tabs...")
Procedure 1. Unplug all cables from the computer except the power cord. 2. Important: To avoid electrostatic discharge, always ground yourself by touching metal before you touch any parts or install any components inside the co\ mputer. To avoid static electricity building back up in your body, do not walk arou\ nd the room until you have completed the installation and closed the computer. 3. Touch a metal surface inside the computer to ground yourself. 4. Unplug the power cord. 5. Push the tabs...
Page 12
6. Remove the memory from the slot. Memory, SO-DIMM (user-installable) iMac (Flat Panel) Take Apart - 9
Page 13
Bottom Housing Tools This procedure requires the following tools: • Torx-15 screwdriver Part Location Preliminary Steps Before you begin, do the following: • Position the computer in the service stand. • Remove the user access plate. 10 iMac (Flat Panel) Take Apart Bottom Housing
Page 14
![Page 14
Procedure
1. Remove the four torx screws.
Replacement Note: These torx screws must be tightened to at least 17 in.-lbs. If
you do not have a torque driver, you will have to make sure these screws\
are
tightened by hand FIRMLY, BUT NOT FORCIBLY. Or, purchase the service too\
l
(076-0899) in order to ensure the thermal pipe is firmly mated with th\
e top
base. If the bottom housing is not securely attached to the base in this\
fashion, the
CPU may overheat and become damaged.
For more...](http://img.usermanuals.tech/thumb/462/38776/w300_imac-17-inch-1ghz-13.png "Page 14
Procedure
1. Remove the four torx screws.
Replacement Note: These torx screws must be tightened to at least 17 in.-lbs. If
you do not have a torque driver, you will have to make sure these screws\
are
tightened by hand FIRMLY, BUT NOT FORCIBLY. Or, purchase the service too\
l
(076-0899) in order to ensure the thermal pipe is firmly mated with th\
e top
base. If the bottom housing is not securely attached to the base in this\
fashion, the
CPU may overheat and become damaged.
For more...")
Procedure 1. Remove the four torx screws. Replacement Note: These torx screws must be tightened to at least 17 in.-lbs. If you do not have a torque driver, you will have to make sure these screws\ are tightened by hand FIRMLY, BUT NOT FORCIBLY. Or, purchase the service too\ l (076-0899) in order to ensure the thermal pipe is firmly mated with th\ e top base. If the bottom housing is not securely attached to the base in this\ fashion, the CPU may overheat and become damaged. For more...
Page 15
2. Rotate the base so the optical drive door is on the right. Gently open the bottom housing in the direction of the arrow. Note: Cables are still attached to the logic board. Important: Diagnostic service cables allow the unit to run while the bottom housing is open (as shown above). However, the computer cannot run for more than five minutes with the bottom housing open. If it is open longer, the CPU may overheat and become damaged. 12 iMac (Flat Panel) Take Apart
Page 16
![Page 16
3. Disconnect the following:
A
Power supply connector
B Hard drive/optical drive data cable
C AC line filter connector
D AirPort antenna connector
E Plastic cable retainer and video cable
F Grounding screw
Note: View the document at a larger size to enlarge this graphic .
4. Set the bottom housing aside.
Warning: Whenever the bottom housing is opened for service, you must do two things:
1.You must clean the original thermal film from the surfaces joining the\
thermal
interface layer and...](http://img.usermanuals.tech/thumb/462/38776/w300_imac-17-inch-1ghz-15.png "Page 16
3. Disconnect the following:
A
Power supply connector
B Hard drive/optical drive data cable
C AC line filter connector
D AirPort antenna connector
E Plastic cable retainer and video cable
F Grounding screw
Note: View the document at a larger size to enlarge this graphic .
4. Set the bottom housing aside.
Warning: Whenever the bottom housing is opened for service, you must do two things:
1.You must clean the original thermal film from the surfaces joining the\
thermal
interface layer and...")
3. Disconnect the following: A Power supply connector B Hard drive/optical drive data cable C AC line filter connector D AirPort antenna connector E Plastic cable retainer and video cable F Grounding screw Note: View the document at a larger size to enlarge this graphic . 4. Set the bottom housing aside. Warning: Whenever the bottom housing is opened for service, you must do two things: 1.You must clean the original thermal film from the surfaces joining the\ thermal interface layer and...
Page 17
Thermal Paste Application Tools This procedure requires the following tools: • Plastic stylus or plastic spatula to remove the old thermal paste • Plastic stylus or plastic spatula to spread the thermal paste • Thermal paste (922-4757) Part Location 14 iMac (Flat Panel) Take Apart Thermal Paste Application
Page 18
![Page 18
Procedure
1. Thoroughly clean the original thermal film from the mating surfaces (circled below) of
the bottom housing and thermal pipe. Use a plastic stylus to scrape the surfaces
clean. Note: Do not use an abrasive material or liquid cleaner.
2. Squeeze a thin film of thermal paste onto the thermal pipe. Spread the paste evenly.
3. Replace the bottom housing. Warning: The bottom housing has four torx screws
that must be tightened to at least 17 in.-lbs. If you do not have a torq\
ue
driver,...](http://img.usermanuals.tech/thumb/462/38776/w300_imac-17-inch-1ghz-17.png "Page 18
Procedure
1. Thoroughly clean the original thermal film from the mating surfaces (circled below) of
the bottom housing and thermal pipe. Use a plastic stylus to scrape the surfaces
clean. Note: Do not use an abrasive material or liquid cleaner.
2. Squeeze a thin film of thermal paste onto the thermal pipe. Spread the paste evenly.
3. Replace the bottom housing. Warning: The bottom housing has four torx screws
that must be tightened to at least 17 in.-lbs. If you do not have a torq\
ue
driver,...")
Procedure 1. Thoroughly clean the original thermal film from the mating surfaces (circled below) of the bottom housing and thermal pipe. Use a plastic stylus to scrape the surfaces clean. Note: Do not use an abrasive material or liquid cleaner. 2. Squeeze a thin film of thermal paste onto the thermal pipe. Spread the paste evenly. 3. Replace the bottom housing. Warning: The bottom housing has four torx screws that must be tightened to at least 17 in.-lbs. If you do not have a torq\ ue driver,...
Page 19
RJ-11 Modem Filter Board Tools This procedure requires the following tools: • Torx-6 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. 16 iMac (Flat Panel) Take Apart RJ-11 Modem Filter Board
Page 20
![Page 20
Procedure
1. Remove two screws and disconnect the cable from the modem.
2. Remove the RJ-11 board from the I/O port.
Warning: Whenever the bottom housing is opened for service, you must do two things:
1. You must clean the original thermal film from the surfaces joining the \
thermal
interface layer and reapply thermal paste to the thermal pipe.
2. You must tighten the four torx screws on the bottom housing to a minimu\
m of 17
in.-lbs. If you do not have a torque driver, you will have to make...](http://img.usermanuals.tech/thumb/462/38776/w300_imac-17-inch-1ghz-19.png "Page 20
Procedure
1. Remove two screws and disconnect the cable from the modem.
2. Remove the RJ-11 board from the I/O port.
Warning: Whenever the bottom housing is opened for service, you must do two things:
1. You must clean the original thermal film from the surfaces joining the \
thermal
interface layer and reapply thermal paste to the thermal pipe.
2. You must tighten the four torx screws on the bottom housing to a minimu\
m of 17
in.-lbs. If you do not have a torque driver, you will have to make...")
Procedure 1. Remove two screws and disconnect the cable from the modem. 2. Remove the RJ-11 board from the I/O port. Warning: Whenever the bottom housing is opened for service, you must do two things: 1. You must clean the original thermal film from the surfaces joining the \ thermal interface layer and reapply thermal paste to the thermal pipe. 2. You must tighten the four torx screws on the bottom housing to a minimu\ m of 17 in.-lbs. If you do not have a torque driver, you will have to make...