简介
Follow this guide to replace the logic board in your iPad Pro 12.9" 4th generation.
This guide is written with an A2229 (Wi-Fi only) model iPad Pro. If you have the cellular model, use this guide as a general reference, but you may need to perform extra disassembly not covered in this guide.
If your battery is swollen, take appropriate precautions.
你所需要的
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Pull the blue handle backwards to unlock the Anti-Clamp's arms.
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Place an object under your iPad so it rests level between the suction cups.
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Position the suction cups near the middle of the right edge—one on the top, and one on the bottom.
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Hold the bottom of the Anti-Clamp steady and firmly press down on the top cup to apply suction.
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Wait one minute to give the adhesive a chance to release and present an opening gap.
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If your screen isn't getting hot enough, you can use a hair dryer to heat along the right edge of the iPad.
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Insert an opening pick under the screen when the Anti-Clamp creates a large enough gap.
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Skip the next step.
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Apply a suction handle to the screen as close to the center of the right edge as possible.
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Pull up on the suction handle with a strong, steady force to create a small gap between the frame and screen.
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Insert an opening pick into the gap.
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One magnet begins 2 cm from the top edge and is 2.5 cm long.
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The second magnet begins 3 cm from the bottom edge and is 2.5 cm long.
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Slide your opening pick back and forth along the right edge of the screen to slice the adhesive.
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Rotate your opening pick around the bottom right corner of the screen.
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Leave your pick in the bottom right corner to prevent the adhesive from resealing.
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Apply a heated iOpener to the bottom edge of the screen for two minutes.
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Insert a second opening pick in the bottom right corner of the screen.
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Slide your pick to the bottom left corner to slice the bottom edge adhesive.
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Rotate your opening pick around the bottom left corner of the screen.
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Leave your pick in the bottom left corner to prevent the adhesive from resealing.
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The upper cutout begins 4 cm from the top edge and is 2.5 cm long.
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The middle cutout is exactly in the middle of the frame and is 2.5 cm long.
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The lower cutout begins 4 cm from the bottom edge and is 2.5 cm long.
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Insert a third opening pick in the bottom left corner of the screen.
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Slide your pick to the top left corner to slice the left edge adhesive.
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Rotate your opening pick around the top left corner of the screen.
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Leave your pick in the top left corner to prevent the adhesive from resealing.
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While the top edge adhesive softens, note the following:
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There are two ambient light sensors near the corners. Only insert the very tip of your pick here to avoid damaging them.
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There are three strips of heat dispersion tape. Angle your pick upward as you slice here.
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The front-facing camera assembly is in the center of the top edge. Don't insert your pick here to avoid damaging them.
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Slide your opening pick 9 cm toward the center of the top edge to slice the adhesive, paying attention to the spots mentioned in the previous step.
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Grab two opposing corners of the screen and gently shift it around to separate it from the frame.
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Shift the screen towards the bottom right corner of the frame until the ribbon cable near the top edge is uncovered.
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Use your Phillips screwdriver to remove the two screws securing the upper cable shield:
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One 1.8 mm-long screw
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One 2.0 mm-long screw
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Use tweezers or your fingers to grab and remove the upper cable shield.
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Use the point of your spudger to pry up and disconnect the upper sensors press connector.
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Grip the right edge of the screen and fold it open like a book.
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Lay the screen down over the left edge of the iPad.
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Use your Phillips screwdriver to remove the five screws securing the lower cable shield:
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Four 1.1 mm screws
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One 2.0 mm screw
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Use tweezers or your fingers to grab and remove the lower cable shield.
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Use your Phillips screwdriver to remove the 1.7 mm screw securing the battery connector to the logic board.
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Use the point of your spudger to pry up and disconnect the upper two display press connectors from the logic board.
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Use the point of your spudger to pry up and disconnect the USB-C port press connector from the logic board.
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Slide an opening pick under the USB-C port cable to separate it from the logic board.
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Use your Phillips screwdriver to remove the two 1.6 mm-long screws securing the USB-C port.
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Grab and remove the USB-C port from its recess in the frame.
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Use caution not to lose the grounding contacts on either side of the USB-C recess.
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Use your Phillips screwdriver to remove the four screws securing the upper cable shield:
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Three 1.1 mm screws
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One 2.0 mm screw
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Use tweezers or your fingers to grab and remove the upper cable shield.
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Use the point of your spudger to pry up and disconnect the three press connectors for the IR dot-projector, front camera, and Face ID camera.
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Use blunt nose tweezers to grab and peel the left and middle front camera assembly cables from the logic board.
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Use your T3 Torx screwdriver to remove the two 2.2 mm screws securing the front camera assembly bracket.
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Use tweezers or your fingers to grab and remove the front camera assembly bracket from its recess.
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Use your Phillips screwdriver to remove the six screws securing the rear camera shield:
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Three 1.2 mm screws
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One 2.8 mm screw
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One 2.6 mm screw
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One 1.8 mm screw
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Use tweezers or your fingers to grab and remove the rear camera shield.
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Use the point of your spudger to pry up and disconnect both of the power button's press connectors.
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Use your Phillips screwdriver to remove the two 2.3 mm screws securing the power button assembly.
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Insert the point of your spudger between the left edge of the power button assembly and the frame.
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Pry the assembly up from its recess in the frame.
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Grab and remove the power button assembly.
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Push the power button through its recess from the outside of the frame.
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Remove the power button.
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Use the point of your spudger to pry up and disconnect the wide-angle camera from the logic board.
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Insert the point of your spudger between the top right corner of the rear cameras and the frame.
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Pry the cameras up until you can grab them with tweezers or your fingers.
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Remove the rear cameras.
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Use your Phillips screwdriver to remove the two 1.9 mm screws securing the Smart Connector cover.
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Use tweezers or your fingers to grab and remove the Smart Connector cover.
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Use the point of your spudger to pry up and disconnect the Smart Connector from the bottom of the logic board.
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Use your Phillips screwdriver to remove the 2.0 mm screw securing the lower left speaker cable shield.
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Use the point of your spudger to pry up and disconnect the lower speaker press connectors.
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Disconnect all four connectors for the lower speakers.
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Use the point of your spudger to pry up and disconnect all four upper speaker press connectors.
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Use the point of your spudger to pry up and disconnect the upper antenna cable from the right edge of the logic board.
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Use the point of your spudger to pry up and disconnect the lower antenna cable from the left edge of the logic board.
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Use the point of your spudger to pry up and disconnect the remaining two antenna cables from the left edge of the logic board.
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Use the point of your spudger to pry up and disconnect the upper sensor press connector from the logic board.
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Use the point of your spudger to pry up and disconnect the rear sensor press connector from the right arm of the logic board.
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Use the point of your spudger to pry up and disconnect the volume press connector from the right arm of the logic board.
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Apply a heated iOpener to the upper antenna cable and right arm of the logic board for two minutes.
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Use blunt nose tweezers or your fingernail to peel the tape securing the upper antenna cable to the right arm of the logic board.
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Peel the second strip of tape securing the upper antenna cable to the logic board near the rear camera cutouts.
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Reposition the cable away from the logic board.
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Apply a heated iOpener to the lower antenna cable, located along the left edge of the logic board, for two minutes.
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Grab the lower antenna cable, just below its metal connector head.
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Peel the cable from the left edge of the logic board.
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Apply a heated iOpener to the logic board cover for two minutes.
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Use your fingers to grab a corner of the logic board cover.
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Peel and remove the cover from the logic board.
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Use the flat end of your spudger to slide the bottom right press connector bracket away from the logic board.
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Use blunt nose tweezers or your fingers to remove the bracket.
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Use the point of your spudger to pry up and disconnect the microphone and Apple Pencil charger press connectors.
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Use your Phillips screwdriver to remove the four 1.8 mm screws securing the logic board.
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Apply several drops of highly-concentrated isopropyl alcohol (over 90%) to the bottom and right edges of the logic board.
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Elevate the right edge of the iPad to allow the isopropyl alcohol to flow under the logic board.
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Wait one minute for the isopropyl alcohol to penetrate.
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Insert an opening pick between the bottom edge of the logic board and the Smart Connector.
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Remove the card strips blocking the battery connector.
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Gently insert the tip of an opening pick between the logic board and the battery connector.
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Leave this pick inserted until the logic board is completely removed.
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Use the first opening pick to pry up the left edge of the logic board.
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Grab and remove the logic board from the frame.
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To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our iPad Pro 12.9" 4th Gen Answers community for help.
To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our iPad Pro 12.9" 4th Gen Answers community for help.
另外一个人完成了本指南。
