Apple imac 17 inch User Manual
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![Page 77
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/w64_imac-17-inch-1ghz-76.png "Page 77
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...")
5. Raise the display to disconnect the circled items: the antenna, the inverter cable, the microphone, and the power on LED. Then, peel the tape away from the video connector and carefully pry the video cable clip open to release the video cable (see next page for a close up of the clip). Pry the ferrite bead from the side or from the back. The ferrite bead is fragile and could break if a screwdriver is placed in the middle of the ferrite bead and used as leverage to remove the bead. Note: View this page at a larger size to enlarge the graphic. 78 iMac (Flat Panel) Take Apart Display, Flat Panel
6. This shows a close up of the video cable, ferrite bead, and video cable clip. After removing the tape, carefully use a screwdriver to pry the ferrite bead from the video cable clip. Pry the ferrite bead from the side or from the back. Note: The ferrite bead is fragile and could break if a screwdriver is placed in the middle of the ferrite bead and is used as leverage to remove the bead. Display, Flat Panel iMac (Flat Panel) Take Apart - 79
7. Lift the flat panel off the back cover. You are left with the LCD flat panel service part. 80 iMac (Flat Panel) Take Apart Display, Flat Panel
Inverter 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 flat panel display. Inverter iMac (Flat Panel) Take Apart - 81
Procedure 1. Remove the three screws and then slide the inverter in the direction of the arrow. 2. Turn the inverter over and disconnect the inverter neck cable. 3. Remove the inverter from the display support shield. 82 iMac (Flat Panel) Take Apart Inverter
Antenna, Wireless Tools This procedure requires the following tools: • Torx-6 screwdriver, or allen head • Torx-8 screwdriver • 5mm socket Part Location Preliminary Steps Before you begin, do the following: • Position the computer in the service stand. • Remove the flat panel display. Antenna, Wireless iMac (Flat Panel) Take Apart - 83
Procedure 1. Remove two external T-6 screws attaching the antenna to the back cover Note: View this page at a larger size to enlarge the graphics. 2. Remove the two internal antenna screws on the sides (shown by the circles) and the two 5mm nuts connecting the wireless antenna to the panel shield. 3. Remove the antenna from the metal clips on the panel shield. Lift the antenna from the panel shield. 84 iMac (Flat Panel) Take Apart Antenna, Wireless
Panel Shield Tools This procedure requires the following tools: • Torx-8 screwdriver • Torx-10 screwdriver Part Location Preliminary Steps Before you begin, do the following: • Position the computer in the service stand. • Remove the flat panel display. Panel Shield iMac (Flat Panel) Take Apart - 85
Procedure 1. Remove the three T-8 screws on the metal cable retainer. Lift the cable retainer off the panel shield. 2. Remove the four T-10 screws on the panel shield. Next, release the cables from the metal clips on the panel shield. Note: View this page at a larger size to enlarge this graphic. 86 iMac (Flat Panel) Take Apart Panel Shield
3. Gently pull the cables through the hole in the panel shield. Panel Shield iMac (Flat Panel) Take Apart - 87