Apple led cinema display 27inch User Manual
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LED Cinema Display (27-inch) Take Apart — Power Supply 81 2010-11-18 Removal 1 Remove T10 screws: (2) 922-9348, long, at left (2) 922-8685, short, machine, at right 2 Disconnect 2 cables below power supply. 3 Lift up power supply, flip over and disconnect DC power cable.
LED Cinema Display (27-inch) Take Apart — DC Power Cable 82 2010-11-18 First Steps Remove: • Glass Panel • LCD Panel • Power Supply • Logic Board Tools • ESD wrist strap DC Power Cable
LED Cinema Display (27-inch) Take Apart — DC Power Cable 83 2010-11-18 Removal 1 Remove “H” tape securing cable to pressure wall above power supply. 2 Lift cable out of rear housing. Reassembly Note: Cable routes through long flat black plastic guide in rear housing.
LED Cinema Display (27-inch) Take Apart — Fan 84 2010-11-18 First Steps Remove: • Glass Panel • LCD Panel Tools • ESD wrist strap • Torx T10 screwdriver Fan
LED Cinema Display (27-inch) Take Apart — Fan 85 2010-11-18 Removal 1 Remove T10 screws: (3) 922-9722 2 Observe cable routing through black plastic guides in rear housing. 3 Disconnect 2 cables from logic board: • fan cable (4-pin) • sensor cable (3-pin) Reassembly Note: For easier access to reconnect cables, unscrew and flip over logic board.
LED Cinema Display (27-inch) Take Apart — Fan 86 2010-11-18 4 Remove ambient temp sensor cable from fan, preserving black tape for reuse. Reassembly Note: Ambient temp sensor must extend exactly 1cm from plastic retaining ring on fan so that it will sit the proper distance from rear housing when installed. Incorrect sensor placement can lead to false temperature readings and unusual fan behavior. Reassembly Note: Ensure fan fits securely into foam on rear housing for a snug fit. Air leaks in pressure wall can lead to temperature and/or noise issues.
LED Cinema Display (27-inch) Take Apart — Ambient Temp Sensor Cable 87 2010-11-18 First Steps Remove: • Glass Panel • LCD Panel • Fan Removal 1 Remove ambient temp sensor cable from fan, preserving black tape for reuse. Reassembly Note: Ambient temp sensor must extend exactly 1cm from plastic retaining ring on fan so that it will sit the proper distance from rear housing when installed. Incorrect sensor placement can lead to false temperature readings and unusual fan behavior. Ambient Temp Sensor Cable
LED Cinema Display (27-inch) Take Apart — Logic Board 88 2010-11-18 First Steps Remove: • Glass Panel • LCD Panel Warning: HIGH VOLTAGE: Use extreme caution when working around the logic board if unit is plugged in. Important: When replacing the LCD Panel, use the EDID Reset Tool. Tools • ESD wrist strap • Torx T10 screwdriver Logic Board
LED Cinema Display (27-inch) Take Apart — Logic Board 89 2010-11-18 Removal 1 Remove T10 screws: (5) 922-9348 (top left screw was removed with LCD ground cable) 2 Disconnect USB uplink cable (part of all-in- one cable) from right side of logic board Reassembly Note: Make sure USB uplink cable rests against foam gasket on top left side of right speaker, to avoid vibration noise.
LED Cinema Display (27-inch) Take Apart — Logic Board 90 2010-11-18 3 Flip logic board over and disconnect remaining cables. Note: See next page for a map of logic board connectors. Reassembly Notes: • Connect 8 cables with reverse side of MLB facing you, then flip board into regular position and connect USB uplink cable. • Avoid trapping DisplayPort cable underneath other cables to left of logic board. DisplayPort cable needs slack in order to be reconnected to LCD. • For proper USB port alignment, connect two USB cables through port openings as you replace logic board and until board is securely fastened.