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Apple MD094LL/A - page 282

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iMac (27-inch, Mid 2010) Take Apart — Internal Views 282

2010-09-09

Internal Views

Photo of Components below LCD

Contents

Main Page iMac (27-inch, Mid 2010) Contents About This Guide Updates 10 Feedback 10 Basics Symptom Charts 35 Startup and Power 35 Display 53 Mass Storage 70 Communications 86 Take Apart General Information 125 Access Door 135 Memory 137 Glass Panel 139 Page Page Additional Procedures Views Page Updates Updated 9 September 2010 Updated 9 August 2010 Apple Technician Guide introduced 27 July 2010 Feedback Page Overview Identifying Features Product Congurations Safety Precautions Page New Accessories Magic Trackpad About the Indicator Light Turn on the Trackpad Pairing the Magic Trackpad Installing Batteries Apple Battery Charger Batteries Status Lights Page General Troubleshooting Wireless Troubleshooting Update System Software & Firmware Troubleshooting Theory Hardware vs. Software Common Reset Procedures Power On Self Test (POST) Resetting the System Management Controller (SMC) Resetting Parameter RAM (PRAM) Starting Up in Safe Mode Removing the Battery, Measuring DC Voltage Diagnostics Sensors Errors Page Page Page Page LED Functions LED Startup Sequence Logic Board Test Points iMac (27-inch, Mid 2010) General Troubleshooting 33 2010-09-09 Functional Overview iMac (27-inch, Mid 2010) General Troubleshooting 34 2010-09-09 Block Diagram Refer to this diagram to see how modules are interrelated. MLB K22/K23 System Block Diagram Symptom Charts Startup and Power No Power, Dead Unit Page Wont Start Up Page Intermittent Shutdown Troubleshooting Shutdown Causes Shutdown events can be categorized into four dierent areas. 1) User-related shut downs: 2) Activity-related system shut downs: 3) Power-related system shut downs: 4) Hardware-related system shut downs: Page Page Page Kernel Panic, System Crashes Page No Video Page Corrupted Video Page Page Burnt Smell/Odor Page Display Backlight Issue/No Backlight Page Noise / Unstable Flickering Page Page LCD Image Issues Deep Dive: Page Incorrect/Missing Colors Page Distorted/Blurred Image Page Pixel Anomalies Page Vertical/Horizontal Lines Page Non-Uniform Brightness / Color Cosmetic Defects Mass Storage Hard Drive Not Recognized Page Hard Drive Read/Write Errors Page Hard Drive Noisy Page Optical Drive Not Recognized Optical Drive Wont Accept/Eject Media Optical Drive Read/Write Error Page Optical Drive Not Performing to Specications Page Optical Drive Noisy SD Card Will Not Insert Into Slot SD Card Not Recognized Page Communications AirPort/Bluetooth Issues Page Page AirPort Card Kernel Panic Ethernet Port/Device Issue Wireless Input Device Does Not Pair Page Page Input/Output Devices Apple Remote Inoperable Page Audio: Microphone Audio: Built-in Speakers Have Distorted Sound Audio: No Audio from Built-in Speakers Page Page Camera Issues FireWire Device Not Recognized Page USB Device Not Recognized Page Wired Keyboard Does Not Function Properly Page Keyboard: Specic Keys Do Not Respond Wired Keyboard/Mouse Not Recognized Page Wireless Input Device Does Not Pair Page Page Apple Wireless Mouse/Magic Trackpad Erratic Tracking Wireless Input Device Loses Connection Page Apple Battery Charger Does Not Charge Batteries Page Mechanical Noise/Hum/Vibration Page Page Fan Failures / Thermal Issues Stand/Hinge Issues Physical Damage Page General Information Opening the Unit Required Tools Required Special Tools for Glass Panel Cleaning Tools Starter Kit Cleaning & Handling the Glass Panel Dos and Donts Page Page Page Page Page Safety Page Access Door Page Memory Page Glass Panel 1 2 3 1 2 Page 7 8 9 Camera Page 1 2 LCD Panel 1 2 3 4 5 6 7 8 Page Page 4 5 Page Vertical Sync Cable (Vsync) LED Temp Sensor Cable DisplayPort Cable 2 3 Audio Ports and Cable 1 2 AirPort Antenna Page AirPort Card Page AirPort Carrier Board Page AirPort Cable 1 2 3 Bluetooth Antenna Page Bluetooth Board Page LED Backlight Board 1 2 Power Supply 1 Page Backlight Pressure Wall Page Page Page Page Hard Drive Page 1 2 3 Hard Drive Sensor Cable 1 Optical Drive Page Page 1 2 3 Optical Sensor Cable Page Optical Drive Fan Page SD Card Reader Page Page SD Card Reader Cable Page IR Board and Cable 1 2 3 Logic Board 1 2 3 4 Page 1 2 3 4 5 6 7 8 9 10 11 12 13 Video Card 1 2 3 1 2 Solid State Drive (SSD) 1 2 3 4 5 6 Reassembly 1 2 SSD Data Cable 1 Optical/MXM Pressure Wall 1 2 3 Hard Drive Data Cable Page Page Optical Drive Data Cable Page Battery Page Right Speaker Page CPU Fan Page Page Ambient Temp Sensor Page Left Speaker Page 2 Hard Drive Fan Page Mechanism Cover Page Stand Page Page 4 5 Mechanism Page Bluetooth Cable Page 3 Camera Cable Page 3 Cable, AC/DC Power/Backlight/ SATA Page Cable, AC/DC Power/Backlight/ SATA, SSD Page Page Microphone Cable Rear Housing 1 2 Page 9 10 Page Page Retrieving Mechanism Overview Page 5 6 7 8 9 Page Page Page Page Page Page Ports Page Page Page Page Screw Chart

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