Apple imac 17 inch User Manual
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Page 31
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. 28 iMac (Flat Panel) Take Apart I/O Port Covers
Page 32
![Page 32
Procedure
1. Gently remove the I/O port covers from 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 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 sure \
these
screws are tightened by hand FIRMLY,...](http://img.usermanuals.tech/thumb/462/38776/w300_imac-17-inch-1ghz-31.png "Page 32
Procedure
1. Gently remove the I/O port covers from 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 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 sure \
these
screws are tightened by hand FIRMLY,...")
Procedure 1. Gently remove the I/O port covers from 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 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 sure \ these screws are tightened by hand FIRMLY,...
Page 33
![Page 33
Thermal Pad Installation
Tools
• No tools are required.
• Thermal pad kit
Part Location
Warning: Whenever the logic board is removed, you must install new thermal pads to
three surfaces (shown above). Failure to apply these pads could cause the computer to
overheat and possibly damage the internal components. Note:
An exception would be if
you are simply testing the logic board and only detach it for a few minu\
tes
.
30 iMac (Flat Panel) Take Apart
Thermal Pad Installation](http://img.usermanuals.tech/thumb/462/38776/w300_imac-17-inch-1ghz-32.png "Page 33
Thermal Pad Installation
Tools
• No tools are required.
• Thermal pad kit
Part Location
Warning: Whenever the logic board is removed, you must install new thermal pads to
three surfaces (shown above). Failure to apply these pads could cause the computer to
overheat and possibly damage the internal components. Note:
An exception would be if
you are simply testing the logic board and only detach it for a few minu\
tes
.
30 iMac (Flat Panel) Take Apart
Thermal Pad Installation")
Thermal Pad Installation Tools • No tools are required. • Thermal pad kit Part Location Warning: Whenever the logic board is removed, you must install new thermal pads to three surfaces (shown above). Failure to apply these pads could cause the computer to overheat and possibly damage the internal components. Note: An exception would be if you are simply testing the logic board and only detach it for a few minu\ tes . 30 iMac (Flat Panel) Take Apart Thermal Pad Installation
Page 34
Procedure 1. Remove the old thermal pads (shown below) from the bottom housing. Note: If you don’t see all three thermal pads on the bottom housing, check the bottom side of the logic board. The thermal pads may stick to the logic board. Either way, remove the old thermal pads. 2. Using the thermal pad kit, remove the clear protective backing from the new thermal pads. 3. Place the new thermal pads on the bottom housing. Press down on the blue protective backing to make sure the thermal pad has...
Page 35
AC Line Filter Tools This procedure requires the following tools: • Torx-10 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. • Remove the RJ-11 board. • Remove the logic board. 32 iMac (Flat Panel) Take Apart AC Line Filter
Page 36
Procedure 1. Peel back the black insulator on the bottom housing to access the AC line filter screws. 2. Remove two screws and lift the AC line filter from the bottom housing. Note: The AC line port cover plug may fall out of the bottom housing when you remove the AC line filter. Place the plug back into the bottom housing before reinstalling the AC line filter. AC Line Filter iMac (Flat Panel) Take Apart - 33
Page 37
![Page 37
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 sure \
these
screws are tightened by hand FIRMLY, BUT NOT FORCIBLY. Or, purchase the \
service tool (076-0899) in order...](http://img.usermanuals.tech/thumb/462/38776/w300_imac-17-inch-1ghz-36.png "Page 37
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 sure \
these
screws are tightened by hand FIRMLY, BUT NOT FORCIBLY. Or, purchase the \
service tool (076-0899) in order...")
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 sure \ these screws are tightened by hand FIRMLY, BUT NOT FORCIBLY. Or, purchase the \ service tool (076-0899) in order...
Page 38
Drive Carrier Assembly (Optical and Hard Drive) Tools This procedure requires the following tools: • Torx-10 screwdriver Part Location Preliminary Steps Before you begin, do the following: • Position the computer in the service stand with the door facing up. • Remove the user access plate. • Remove the bottom housing. Drive Carrier Assembly (Optical and Hard Drive) iMac (Flat Panel) Take Apart - 35
Page 39
Procedure 1. Rotate the base unit so the optical drive door is facing up (as shown below). 2. Remove two screws on the EMI shield. Carefully lift the shield and peel the copper tape off the drive. 36 iMac (Flat Panel) Take Apart Drive Carrier Assembly (Optical and Hard Drive)
Page 40
3. Remove four screws attaching the drive carrier to the metal chassis (also known as the Faraday cage). Drive Carrier Assembly (Optical and Hard Drive) iMac (Flat Panel) Take Apart - 37