Apple imac 20 inch mid 2009 User Manual
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Page 131
iMac (20-inch, Early/Mid 2009) Take Apart — Hard Drive 131 2010-11-24 5 Slide 2 pins on the side of hard drive out of 2 rubber grommets in chassis, and remove hard drive assembly from computer. 6 If installing a new hard drive, transfer the following to the replacement drive: • temp sensor cable • (2) T10 screws 922-8580 • (2) T10 pins 922-7001 The screw pins go on the side closest to the power & data cable connectors.
Page 132
iMac (20-inch, Early/Mid 2009) Take Apart — Hard Drive Sensor Cable 132 2010-11-24 First Steps Remove: • Access Door • Glass Panel • Front Bezel • LCD Panel Tools • ESD wrist strap Hard Drive Sensor Cable
Page 133
iMac (20-inch, Early/Mid 2009) Take Apart — Hard Drive Sensor Cable 133 2010-11-24 Removal 1 Disconnect temp sensor cable from its connector on top of logic board. 2 Peel back foam gasket on top of hard drive and disconnect sensor cable from retaining clip (922- 8183). Note: Image at right shows a map of connectors on top of logic board. Hard drive sensor cable connects to the furthest left of the 3 connectors. Hard drive sensor has a 3-pin connector. Optical drive sensor has a 2-pin...
Page 134
iMac (20-inch, Early/Mid 2009) Take Apart — Optical Drive 134 2010-11-24 First Steps Remove: • Access Door • Glass Panel • Front Bezel • LCD Panel Important: When servicing optical drive, handle it by edges only. Pressing elsewhere on drive could damage internal mechanism. Tools • ESD wrist strap • Torx T10 screwdriver • Black stick Optical Drive
Page 135
iMac (20-inch, Early/Mid 2009) Take Apart — Optical Drive 135 2010-11-24 Removal 1 Remove T10 machine screws: (2) 922-6842 2 Carefully peel back strip of EMI mesh tape from rear housing. Reassembly Notes: Make sure EMI mesh does not cover any of the slot-load opening on rear housing. Also, make sure 4 inverter cables do not get trapped under optical drive. 3 Wiggle optical drive data cable connector away from optical drive. A black stick may be helpful.
Page 136
iMac (20-inch, Early/Mid 2009) Take Apart — Optical Drive 136 2010-11-24 4 Disconnect temp sensor cable from connector on top edge of logic board. 5 Lift optical drive out of rear housing. Warning: Handle optical drive by the edges only! Pressing or squeezing elsewhere could damage its internal mechanism. Replacement Note: If installing a new optical drive, peel back foam gasket and disconnect temp sensor cable from retaining clip on reverse side of drive. Transfer the following to the...
Page 137
iMac (20-inch, Early/Mid 2009) Take Apart — Optical Drive Sensor Cable 137 2010-11-24 First Steps Remove: • Access Door • Glass Panel • Front Bezel • LCD Panel • Optical Drive Tools • ESD wrist strap Optical Drive Sensor Cable
Page 138
iMac (20-inch, Early/Mid 2009) Take Apart — Optical Drive Sensor Cable 138 2010-11-24 Removal 1 On reverse side of optical drive, peel back foam gasket and remove temp sensor cable (922-8827) from retaining clip (922- 8183). Note: Image at right shows a map of connectors on top of logic board. Optical drive sensor cable connects to the middle one of the 3 connectors. Hard drive sensor has a 3-pin connector. Optical drive sensor has a 2-pin connector. Hard drive fan has a 4-pin...
Page 139
iMac (20-inch, Early/Mid 2009) Take Apart — Optical Drive Fan 139 2010-11-24 First Steps Remove: • Access Door • Glass Panel • Front Bezel • LCD Panel Tools • ESD wrist strap Optical Drive Fan
Page 140
iMac (20-inch, Early/Mid 2009) Take Apart — Optical Drive Fan 140 2010-11-24 Removal 1 Disconnect cable from logic board. 2 Lift fan off 3 guide posts in the rear housing.