Apple Technician Guide
Troubleshooting ¶ Track down a number of hardware problems using the iPad Troubleshooting page .
Identification and Background ¶ The iPad is a tablet computer announced by Apple on January 27, 2010. It contains many of the same features as Apple's iPhone, but is more than twice the size.
It features multi-touch interaction with print, video, photo, and audio multimedia, internet browsing, and runs most iPhone OS apps. The device has an LED-backlit 9.7-inch color LCD display and uses a virtual keyboard for text input, although one of the optional accessories offered by Apple is an iPad keyboard dock.
Video Slideshow ¶ VIDEO
Specifications ¶ Announce date : January 27, 2010
Discontinued : March 11, 2011
Color display : 9.7 inches (25 cm) LED backlit in-plane switching LCD, made by Innolux, a subsidiary of Foxconn
Processor : 1 GHz Apple A4 system-on-a-chip
Graphics : 1024×768 pixel (XGA resolution), 20cm × 15cm, 132ppi
RAM : 256MB
Storage : 16, 32 or 64 GB flash memory
Wireless : Integrated 802.11n and Bluetooth 2.1 + EDR
Battery : Built-in lithium-polymer 25 W·h (10 h usage, 1 month standby)
Weight : 1.5 pounds (680 g), 1.6 pounds (730 g) (3G Model)
Dimensions : 9.56 inches (24.3 cm) x 7.47 inches (19.0 cm) x 0.5 inches (1.3 cm)
Construction Materials : Aluminum/Glass/ Plastic
LCD Type : IPS
Weights ¶ Logic Board : 28.2 grams
LCD : 151.9 grams
Case : 138.2 grams
Dock Connector Cable : 8.1 grams
Speaker Assembly : 16.6 grams
Ambient Light Sensor : 0.4 grams
Lower Antenna : 1.7 grams
Headphone Jack : 0.6 grams
Control Buttons : 1.3 grams
Battery : 147.8 grams
Antenna : 1.9 grams
Glass/Digitizer : 147 grams
Display Frame : 42.2 grams
Chip IDs ¶ Main processor : Apple A4
DRAM : Samsung K4X2 256MB
Flash memory : Samsung K9LCG08U1M 8 GB NAND
802.11n WiFi + Bluetooth 2.1 : Broadcom BCM4329XKUBG
I/O controller : Broadcom BCM5973
Capacitive touchscreen controller : Broadcom BCM5974
Touchscreen line driver : Texas Instruments CD3240A1
Teardown Images ¶