Apple imac 20 inch mid 2009 User Manual
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iMac (20-inch, Early/Mid 2009) Take Apart — Mechanism 171 2010-11-24 Removal 1 Remove T10 screws: (4) 922-8849 2 Peel back EMI mesh tape on mechanism. 3 Lift mechanism off chassis.
iMac (20-inch, Early/Mid 2009) Take Apart — Chassis 172 2010-11-24 First Steps Remove: • Access Door • Glass Panel • Front Bezel • LCD Panel • Right Speaker • Logic Board • Power Supply • Hard Drive • Hard Drive Fan • Hard Drive Data Cable • Optical Drive • Optical Drive Fan • Mechanism Cover • Stand Tools • ESD wrist strap • Torx T10 screwdriver Chassis
iMac (20-inch, Early/Mid 2009) Take Apart — Chassis 173 2010-11-24 Removal 1 Slide AC connector out from under the pressure wall. The pressure wall does not need to be removed. 2 Remove T10 screws: (3) 922-8250, at top; slightly longer, slightly larger head (6) 922-6850 (1) 922-7069, ground Reassembly Note: Secure green/yellow grounding cable from AC inlet to chassis with short, stubby ground screw.
iMac (20-inch, Early/Mid 2009) Take Apart — Chassis 174 2010-11-24 3 If mechanism is still installed, peel back EMI mesh tape on mechanism attached to rear housing. Note: Mechanism can stay attached to chassis if you removed them to get to lower modules. 4 Lift chassis out of rear housing. Reassembly Reassembly is an exact reversal of the steps, with two notes: 1 Make sure the DC power supply/ SATA/ inverter cable is properly routed in rear housing before replacing chassis. Position cable between black tabs on rear housing. 2 Be careful not to pinch camera or microphone cables when reinstalling chassis.
iMac (20-inch, Early/Mid 2009) Take Apart — Cable, DC, Power Supply/SATA/Inverter 175 2010-11-24 First Steps Remove: • Access Door • Glass Panel • Front Bezel • LCD Panel • Right Speaker • Logic Board • Power Supply • Hard Drive • Hard Drive Fan • Hard Drive Data Cable • Optical Drive • Optical Drive Fan • Mechanism Cover • Stand • Chassis Tools • ESD wrist strap • Torx T10 screwdriver Cable, DC, Power Supply/SATA/Inverter
iMac (20-inch, Early/Mid 2009) Take Apart — Cable, DC, Power Supply/SATA/Inverter 176 2010-11-24 Removal 1 Tape microphone cable to top of rear housing, to keep it out of the way 2 Disconnect inverter cable.
iMac (20-inch, Early/Mid 2009) Take Apart — Cable, DC, Power Supply/SATA/Inverter 177 2010-11-24 3 Remove clear Kapton tape securing DC power cable to rear housing. 4 Remove T10 screw on cable guide in middle of rear housing: (1) 922-6800
iMac (20-inch, Early/Mid 2009) Take Apart — Cable, DC, Power Supply/SATA/Inverter 178 2010-11-24 5 Before removing cable, note how it routes between black guideposts in rear housing. Reassembly 1 Install DC power cable into rear housing as shown above in removal step 5. 2 In top left corner of rear housing, position cable between black guideposts and secure cable with clear Kapton tape. Route inverter power cable off to the right.
iMac (20-inch, Early/Mid 2009) Take Apart — Cable, DC, Power Supply/SATA/Inverter 179 2010-11-24 3 In the middle of rear housing, continue laying cable between black guideposts and secure cable with clear Kapton tape. 4 Position plastic cable guide (with foam) over the cable. 5 Replace T10 screw: (1) 922-6800 Note: Make sure cable guide is flush with rear housing. If cable guide is not seating properly, double check that cable is situated properly between black guideposts.
iMac (20-inch, Early/Mid 2009) Take Apart — Cable, DC, Power Supply/SATA/Inverter 180 2010-11-24 6 Toward bottom of rear housing, continue laying cable between black guideposts and secure cable with clear Kapton tape. 7 Secure inverter cable to rear housing with clear Kapton tape. 8 Reconnect cable to inverter. 9 Continue with reassembly of chassis and other removed modules.