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Apple led cinema display 27inch User Manual

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Page 91

LED Cinema Display (27-inch) Take Apart — Logic Board 91 2010-11-18
Logic Board 
Connectors
1.  DC power
2.  LCD function
3.   fan (4-pin)
4.  ambient temp sensor 
(3-pin)
5.   camera (7-pin)
6.  microphone (3-pin; 
translucent white)
7.   subwoofer (2-pin)
8.  left speaker (5-pin)
9.   right speaker (4-pin)
10.  USB uplink (metal; part 
of all-in-one cable)
11.  LED backlight driver 
(part of LCD panel)  

Page 92

LED Cinema Display (27-inch) Take Apart — Logic Board 92 2010-11-18
EDID Reset Tool
After replacing the LCD panel or the logic board in an LED Cinema Display (27-inch), run the EDID 
Reset Tool to reset the Extended Display Identification Data (EDID). If this tool is not used when the 
LCD panel and/or logic board are replaced, software features such as the brightness control may 
not be available.
1.  Download the EDID Reset Tool from Service Source, by navigating the Product Browser to 
“Displays” and...

Page 93

LED Cinema Display (27-inch) Take Apart — Left Speaker 93 2010-11-18
First Steps
Remove:
• Glass Panel
•  LCD Panel
Tools
• ESD wrist strap
•  Torx T10 screwdriver
Left Speaker  

Page 94

LED Cinema Display (27-inch) Take Apart — Left Speaker 94 2010-11-18
Removal
1 
Remove T10 screws: 
(2) 922-9236
2 Note cable routing 
and tape placement 
along rear housing.
3 Disconnect 5-pin 
speaker cable from 
logic board.
4 Remove speaker from 
rear housing.
Reassembly Note:  
Insert tab into guide in 
rear housing.
Reassembly Note:  
For easier access to 
reconnect cables, unscrew 
and flip over logic board.  

Page 95

LED Cinema Display (27-inch) Take Apart — Right Speaker 95 2010-11-18
First Steps
Remove:
• Glass Panel
•  LCD Panel
•  Logic Board
Tools
• ESD wrist strap
•  Torx T10 screwdriver
Right Speaker  

Page 96

LED Cinema Display (27-inch) Take Apart — Right Speaker 96 2010-11-18
Removal
1 
Remove T10 screws: 
(2) 922-9236
2 Note cable routing 
and tape on rear 
housing.
3 Remove speaker from 
rear housing.
Reassembly Notes:
•  Insert tab into guide in 
rear housing.
•  Make sure USB uplink 
cable rests against 
foam gasket on top 
left of speaker, to avoid 
vibration noise.  

Page 97

LED Cinema Display (27-inch) Take Apart — Subwoofer 97 2010-11-18
First Steps
Remove:
• Glass Panel
•  LCD Panel
Tools
• ESD wrist strap
•  Torx T10 screwdriver
Subwoofer  

Page 98

LED Cinema Display (27-inch) Take Apart — Subwoofer 98 2010-11-18
Removal
1 
Remove T10 screws: 
(4) 922-9722 
2 Disconnect 2-pin 
subwoofer cable from 
logic board
Reassembly Note:  
For easier access to 
reconnect cables, unscrew 
and flip over logic board.
3 Remove subwoofer 
from rear housing.  

Page 99

LED Cinema Display (27-inch) Take Apart — All-in-One Cable 99 2010-11-18
First Steps
Remove:
• Glass Panel
•  LCD Panel
•  Logic Board
•  Subwoofer
Tools
• ESD wrist strap
•  Torx T10 screwdriver
All-in-One Cable  

Page 100

LED Cinema Display (27-inch) Take Apart — All-in-One Cable 100 2010-11-18
Removal
1 
Remove T10 screws: 
(1) 922-8685, machine, 
top left (also secures 
gasket and AC inlet) 
 
 
(2) 922-9351 
 
 
Loosen 2 other T10 
screws on AC inlet.
2 Remove round metal 
bracket.
Reassembly Note:  
Bracket tucks underneath 
metal tab of AC inlet.
3 Note cable routing and 
tape securing the USB 
uplink, DisplayPort, 
and power cables 
inside rear housing.
4 Peel back tape 
securing cables to rear 
housing, and “H”...
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