Teardown of iPad Pro reveals revamped component layout

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    Teardown of iPad Pro reveals revamped component layout




    Repair firm iFixit performed its usual launch day Apple device teardown on the iPad Pro on Wednesday, revealing a reworked internal design dominated by massive batteries and bespoke audio components.

    Although Apple provided a fairly comprehensive look at iPad Pro's insides with promotional videos aired at its unveiling in September, iFixit expectedly digs deeper, offering a detailed rundown of the monstrous tablet's design, parts and silicon.

    Unseating the huge 12.9-inch Retina display shows off an internal case design illustrating Apple's love of symmetry. Unlike past iPad models, the Pro's logic and subsystem circuit boards sit dead center, flanked by a 38.8 watt-hour battery split into two cells and four self-balancing speakers with accompanying enclosures.

    Easily identifiable chips attached to two display circuit boards include two Broadcom BCM15900B0 units, an NXP Semiconductors 8416A1 controller for Touch ID, Parade Technologies DP695 display timing controller and a Texas Instruments TPS65144 thought to be used for LCD biasing.

    It appears Apple borrowed iPad Air 2's camera setup for the Pro, with an 8MP rear-facing module joined by a 1.2MP front-facing shooter. Also identical to Air 2 is a space-saving headphone jack with built-in ambient light sensor.

    Interestingly, the Pro's four speaker chambers are filled with foam, a feature not shown in Apple's renders. Positioned next to four drivers, these carbon fiber-capped acoustic cavities are specifically designed to resonate sound waves for full, rich sound.

    Moving on to the logic board shows a new engineering element for Apple: a screwed-on EMI shield. Beneath the protective barrier lies a neatly configured circuit board hosting Apple's new A9X SoC, 4GB of SK Hynix RAM, 32GB of NAND flash storage from Toshiba, an InvenSense MP67B six-axis gyroscope and accelerometer, NXP 65V10 NFC Controller, NXP Semiconductors LPC11U37 ARM Cortex-M0 microcontroller and a Cirrus Logic 338S1213 audio codec.

    Overall, iFixit gives iPad Pro a repairability score of 3 out of 10, citing "gobs" of glue, a fused display and other difficult to service components.





    11-12-15

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    iFixit Teardown Reveals iPad Pro's Four-Speaker Design Fills Space




    iFixit is in the process of tearing down the iPad Pro, providing a closer look at how Apple organized the internals of the larger iPad. While the majority of the internal layout is similar to the iPad Air 2, there are some significant differences, including the inclusion of a brand new four-speaker audio setup.

    Each corner of the iPad Pro has a speaker driver sitting next to a capped resonance chamber. Each speaker is designed identically, as the iPad Pro shifts the speaker's function depending on the orientation of the device. The two speakers on top provide higher frequencies while the bottom speakers provide lower frequencies.

    Once it removed the speaker drivers, iFixit uncapped the volume chambers, which Apple says gives the iPad Pro's speakers 61 percent more "back volume" than previous iPads. Underneath the carbon fiber caps are enclosures filled with foam, which are used to amplify the speaker's sound. However, iFixit notes that the speakers take up a significant amount space that could have been used to increase battery capacity by 50 percent. Previous iPads, due to the lack of premium speakers, were able to dedicate a greater proportion of space to battery capacity.

    One of the first changes the team at iFixit noticed was that the logic board has moved to the center of the device, unlike previous iPads where it was off to the side. Additionally, the logic board's shielding had to be removed before iFixit was able to remove the logic board itself, unlike previous iPads.







    The teardown also found that the iPad Pro uses the DP695 Timing Controller, which may be an iteration of the DP665 LCD timing controller found in the 5K Retina iMac. However, as noted by iFixit, the iPad Pro's timing controller is likely modified to better use the display's refresh rate. Also, the teardown experts found that Apple has added adhesive pull tabs under the iPad's batteries, making them easier to remove.

    Finally, iFixit's teardown offers physical confirmation that the iPad Pro includes 4 GB of RAM, which was confirmed by Apple's own Xcode tools in mid-September.

    iFixit's teardown is ongoing, and this post will be updated if any other significant discoveries are made.

    Update: iFixit has discovered that the iPad Pro has a 10307 mAh battery.

    Update 2: iFixit has given the iPad Pro a repairability score of 3 out of 10, noting that the Smart Connector is unlikely to fail given its lack of moving parts and despite it being "virtually impossible to replace." The main issue is that the iPad Pro uses a lot of adhesive to hold everything together, making things difficult to replace.





    11-12-15

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    iPad Pro Teardown VIDEO










    11-12-15

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