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Apple LED Cinema Display 27 User Manual

Apple LED Cinema Display 27
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LED Cinema Display (27-inch)
Contents
About This Guide
Updates 7
Updated 18 November 2010 7
Introduced 24 September 2010 7
Feedback 7
Basics
Overview 9
Identifying Features 9
System Requirements 9
Product Congurations 9
Safety Precautions 10
Serial Number Location 11
Serial Number on Stand 11
Serial Number on Mechanism 11
Troubleshooting
General Troubleshooting 13
Troubleshooting Theory 13
Update System Software & Firmware 13
Display Adapters 13
Check Audio Features of Connected Computer 13
Functional Overview 14
Block Diagram 15
Test Points Diagram 16
Symptom Charts 17
Startup and Power Issues 17
Dead Unit / No Power 17
MagSafe Adapter – No Power 20
Sleep/Wake Issue 21
Uncategorized Symptoms 22

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Apple LED Cinema Display 27 Specifications

General IconGeneral
Screen Size27 inches
Resolution2560 x 1440 pixels
Aspect Ratio16:9
Panel TypeIPS
Brightness375 cd/m²
Contrast Ratio1000:1
Response Time12 ms
Color Support16.7 million colors
Built-in DevicesiSight camera, Microphone
Power Consumption250 W (maximum)
Viewing Angle178° horizontal / 178° vertical
PortsMini DisplayPort, USB 2.0
Power SupplyIntegrated

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