Apple imac 21 5 inch late 2009 User Manual
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Page 171
iMac (21.5-inch, Late 2009) Take Apart — SD Card Reader 171 2010-11-18 Removal 1 Remove T8 screw: (1) 922-9241 2 Using a black stick, gently pry SD card reader up and out of rear housing. 3 Disconnect cable.
Page 172
iMac (21.5-inch, Late 2009) Take Apart — SD Cable 172 2010-11-18 First Steps Remove: • Glass Panel • LCD Panel • Optical Drive • Optical Drive Fan Tools • ESD wrist strap SD Cable
Page 173
iMac (21.5-inch, Late 2009) Take Apart — SD Cable 173 2010-11-18 Removal 1 Disconnect cable from SD card reader and logic board. 2 Peel up foil holding cable to rear housing.
Page 174
iMac (21.5-inch, Late 2009) Take Apart — Audio Cable 174 2010-11-18 First Steps Remove: • Glass Panel • LCD Panel Tools • ESD wrist strap • Torx T10 screwdriver Audio Cable
Page 175
iMac (21.5-inch, Late 2009) Take Apart — Audio Cable 175 2010-11-18 Removal 1 Remove T10 screws: (2) 922-9245 2 Disconnect cable from logic board. Reassembly Note: A black stick can be helpful for guiding and aligning audio ports with rear housing. Reassembly Note: Plugging in earbuds or headphones can also help keep audio cable aligned while tightening screws.
Page 176
iMac (21.5-inch, Late 2009) Take Apart — IR Board & Cable 176 2010-11-18 First Steps Remove: • Glass Panel • LCD Panel Note: A new IR board includes a new cable. The cable is not available as a separate part. Tools • ESD wrist strap IR Board & Cable
Page 177
iMac (21.5-inch, Late 2009) Take Apart — IR Board & Cable 177 2010-11-18 Removal 1 Disconnect IR cable from logic board. 2 With 2 fingers, wiggle IR mounting bracket up and off mounting post. Reassembly Note: Pull the front housing out slightly to make room for IR mounting bracket to slide onto IR mounting post.
Page 178
iMac (21.5-inch, Late 2009) Take Apart — Logic Board 178 2010-11-18 First Steps Remove: • Access Door • Memory Tip: The logic board is much easier to reinstall if memory is removed. • Glass Panel • LCD Panel • Power Supply • Backlight Pressure Wall • Power Supply Pressure Wall • Optical Drive • Optical Drive Fan • IR Board Note: Configurations with integrated graphics (IG) do not have bracket at upper right which holds video card and heatsink. Tools • ESD wrist strap • Torx T10...
Page 179
iMac (21.5-inch, Late 2009) Take Apart — Logic Board 179 2010-11-18 Removal 1 Remove T10 screws: • (2) 922-6800, short (S) (only 1 if unit has no video card bracket) • (2) 922-9237, medium 20mm (M) • (3) 922-9243, long 24mm (L) 2 Disconnect cables from left side of logic board: • power button (1) • CPU fan (2) Note: IR cable (3) should have already been disconnected.
Page 180
iMac (21.5-inch, Late 2009) Take Apart — Logic Board 180 2010-11-18 3 Disconnect cables from top center of logic board: • ambient temp (4) • Bluetooth (5) • camera (6) • hard drive sensor (7) • hard drive fan (8) • microphone (9) • AirPort (10) • audio cable (13) • right speaker (14) • left speaker (15) Note: LCD temp sensor (11) and LVDS (12) cables should have already been disconnected. 4 Disconnect SD cable (16) from right side of logic board: Note: Optical drive temp (17) and...