Apple led cinema display 24inch User Manual

 Apple Technician Guide
LED Cinema Display (24-inch)
Updated: 2010-11-25  

 Apple Inc.
© 2008-2010 Apple Inc. All rights reserved.
Under the copyright laws, this document may not be copied, in whole or in part, without the 
written consent of Apple.
Every effort has been made to ensure that the information in this document is accurate. Apple 
is not responsible for printing or clerical errors.
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and...

LED Cinema Display (24-inch)
Contents
About This Guide
Updates 7
Updated 25 November 2010 7
U pdated 8 February 2010  
7
U

pdated 28 October 2009  
7
In

troduced 2 December 2008  
8
Feedback 8
Basics
Overview 10
Identifying Features 1 0
System Requirements  
1
 0
Product Configurations
 
1
 0
Serial Number Location 1 1
Serial Number on Stand 11
Serial Number on Mechanism  
1
 1
Troubleshooting
General Troubleshooting 13
Troubleshooting Theory 13
Hardware vs. Software  
1
 3
Functional Overview
 
1
 4...

Display Issues 24
Blank / No Video, No Backlight 2 4
Noise / Unstable Flicker  
2
 5
LCD Image Issues
 
2
 7
Physical Damage
 
3
 1
Uncategorized Symptoms
 
3
 1
Input/Output Issues 32
USB Issues 32
Camera Issues  
3
 3
Audio Issues
 
34
U

ncategorized Symptoms  
36
Mechanical Issues 37
Noise, Hum or Vibration 3 7
Fan Failures / Thermal Issues  
3
 8
Mechanical Physical Damages
 
3
 9
Uncategorized Symptoms
 
40
Take Apart
General Information 42
Opening the Unit 42
R equired Tools  
42
Required Special...

Camera 68
S ubwoofer  
70
A

C Inlet  
7
 2
All-in-One Cable
 
7
 4
Speakers
 
7
 6
Removal 77
Replacement 
7
 7
Stand 78
Mechanism
 
8
 1
Rear Housing
 
8
 3
Additional Procedures
VESA Mount 86
R etrieving Mechanism  
8
 9
Views
Exploded View 94
Scr ew Chart  
9
 5
External Views
 
96
Front View 96
Rear View  
9
 7
I/O Ports
 
9
 7
All-In-One Cable
 
9
 7
Internal View 98  

© 2008-2010 Apple Inc. All rights reserved.
 Apple Technician Guide 
About This Guide
LED Cinema Display (24-inch)   

LED Cinema Display (24-inch) — Updates 7 2010-11-25
Updates
Updated 25 November 2010
“Blower” renamed to “Fan” throughout document.
Take Apart:
• 
G
 eneral Information:•
 
R
 equired Tools: Added Thermal paste syringe (Apple part #922-9625) for camera;
•
 
R
 emoved commercial screen cleaning products;
•
 
U
 pdated section “Handling a Broken Glass Panel”.
•
 
G
 lass Panel: Updated procedure and cleaning instructions; microfiber cloth should only 
be dampened with water (rather than isopropyl alcohol...

LED Cinema Display (24-inch) — Feedback 8 2010-11-25
Troubleshooting:
• 
G
 eneral: Updated Troubleshooting Theory section.
•
 
S
 ymptom Charts: Corrected hyperlink at top of p. 17
Take Apart:
•
 
G
 eneral: •
 
C
 onsolidated information about ESD Safety;
•
 
A
 dded information about handling and removing a broken glass panel.
•
 
S
 tand: •
 
A
 dded image showing removal of rear housing from stand; 
•
 
A
 dded note about VESA Mount procedure.
Introduced 2 December 2008
Feedback
We want your...

© 2008-2010 Apple Inc. All rights reserved.
 Apple Technician Guide 
Basics
LED Cinema Display (24-inch)   

LED Cinema Display (24-inch) Basics — Overview 10 2010-11-25
Overview
Identifying Features
The LED Cinema Display (24-inch) is an active-matrix LCD with LED backlight that includes a 
built-in iSight camera, a 2.1 speaker system, and a microphone.  The native resolution is 1920 x 
1200 pixels.  The all-in-one cable creates a docking station for portable computers, providing a 
MagSafe power connection, Mini DisplayPort video connection, and a 3-port USB hub.
The unit has no buttons.  Power is controlled...