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Step 25
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Ants on parade? Nope, just the T4 Torx screws holding each tab to the display assembly.
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Each clip holding the display assembly to the rear case is fastened down with its own T4 Torx screw.
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Luckily, the home button is a digital switch with its own circuit board, making replacement that much easier.
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Step 27
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The ambient light sensor lives in a compartment that a camera would love to call home.
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We suspect that this compartment was intended for the ambient light sensor all along, and the rumors of a camera that would fit here were overzealous. The layout does look very similar to the camera's view ports on the MacBook Pro 13" Unibody.
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Step 28
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The display seems to be glued around its perimeter but can still be removed from the plastic framework.
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The display assembly weighs in at:
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153g for the LCD
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193g for the front glass
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The glass seems quite thick (~1.18 mm), which is not a huge surprise considering the size of the iPad. Compare that to about 1.02 mm for the iPhone.
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The iPad would require thicker glass due to the increased "lever arm" caused by pressing down at the center of the screen. This is analogous to the difficulty of bending a one inch section of a ruler compared to bending the entire twelve inch ruler.
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Step 31
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As always, the final layout shot.
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Here's the weight breakdown: Aluminum back: 138 grams, Battery: 148 grams, LCD: 153 grams, Glass (and frame): 193 grams, Speaker: 17 grams, Main board: 21 grams, Everything else: 27 grams
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Total: 697 grams (that's more than the .68 kg Apple quotes, has anyone else weighed their complete iPad?)
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This iPad may be apart, but we'll continue to dig deeper into its chips. Follow @ifixit for the latest updates!
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