Apple imac 21 5 inch late 2009 User Manual
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iMac (21.5-inch, Late 2009) Take Apart — AirPort Cable 141 2010-11-18 Removal 1 Disconnect cable from AirPort carrier board. 2 Disconnect cable (10) from top center of logic board.
iMac (21.5-inch, Late 2009) Take Apart — AirPort Carrier Board 142 2010-11-18 First Steps Remove: • Glass Panel • LCD Panel • AirPort Card Tools • ESD wrist strap • Torx T10 screwdriver AirPort Carrier Board
iMac (21.5-inch, Late 2009) Take Apart — AirPort Carrier Board 143 2010-11-18 Removal 1 Remove T10 screws: (2) 922-6850 2 Disconnect flat black ribbon cable. 3 Observe how DC power cable routes underneath AirPort carrier board, between the two screw posts. Reassembly Note: Although screw holes can line up with posts when board is rotated 180 degrees from correct position, board should be installed with cable connector on the right.
iMac (21.5-inch, Late 2009) Take Apart — LED Backlight Board 144 2010-11-18 First Steps Remove: • Glass Panel • LCD Panel Warning: HIGH VOLTAGE: Use extreme caution when working around the capacitors in top right corner of backlight board, which contain high-voltage that may remain charged for several minutes even when computer is unplugged. Never touch leads on top side of backlight board. Tools • ESD wrist strap • Torx T10 screwdriver LED Backlight Board
iMac (21.5-inch, Late 2009) Take Apart — LED Backlight Board 145 2010-11-18 Removal 1 Remove T10 screws: (2) 922-6850 2 Lift up board, flip over, and disconnect power connector.
iMac (21.5-inch, Late 2009) Take Apart — Power Supply 146 2010-11-18 First Steps Remove: • Glass Panel • LCD Panel Warning: HIGH VOLTAGE: Use extreme caution when working around the power supply, which contains a high-voltage capacitor that may remain charged for several minutes even when computer is unplugged. Never touch leads on top side of power supply, especially those near warning sign. Tools • ESD wrist strap • Torx T10 screwdriver Power Supply
iMac (21.5-inch, Late 2009) Take Apart — Power Supply 147 2010-11-18 Removal 1 Remove T10 screws: • (1) 922-6850, short (S) • (1) 922-9243, long (L) • (2) 922-9244, machine (M) Reassembly Note: Install self-tapping screws on left side (short on top, long on bottom) and machine screws on right side. 2 Lift up, flip over and disconnect 2 cables.
iMac (21.5-inch, Late 2009) Take Apart — Backlight Pressure Wall 148 2010-11-18 First Steps Remove: • Glass Panel • LCD Panel • Power Supply Tools • ESD wrist strap Backlight Pressure Wall
iMac (21.5-inch, Late 2009) Take Apart — Backlight Pressure Wall 149 2010-11-18 Removal 1 Lift pressure wall off posts in rear housing.
iMac (21.5-inch, Late 2009) Take Apart — Power Supply Pressure Wall 150 2010-11-18 First Steps Remove: • Glass Panel • LCD Panel • Power Supply Tools • ESD wrist strap Power Supply Pressure Wall