Introduction

This guide shows how to install the logic board in your Google Pixel 9a smartphone.

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    • Check the condition of the logic board thermal pads—they'll either be on the bottom of the board or stuck to the corresponding spot on the frame.

    • If the pads are ripped, torn, or otherwise damaged, follow the next five steps to replace them. If they aren't, skip ahead five steps.

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    • Use the flat end of a spudger to scrape up and remove the damaged thermal pads.

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    • Use high‑concentration (>90%) isopropyl alcohol and a coffee filter to clean up and remove any residue where the thermal pads were.

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    • The thermal pads are very delicate and can easily be misaligned when placing them and removing liners. Take your time when applying them—good placement will ensure proper heat dissipation.

    • Remove the textured liner from the smaller thermal pad.

    • Carefully place the pad onto the board.

    • Use this photo as a reference to help align the pad.

    • Use the flat end of a spudger or your finger to press down lightly on the entire surface of the thermal pad, securing it in place without deforming it.

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    • Slowly lift and remove the remaining liners from the top of the thermal pad.

    • If the thermal pad start to lift up with the liners, lay it back down and press again to secure it.

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    • Repeat the previous two steps to apply the remaining, larger thermal pad.

    • Use this photo as a reference to help align the pad.

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    • If it isn't already, prop your phone up with the suction handle.

    • Slide the logic board up against the frame so the screen cable is near its connector.

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    • Align the screen cable press connector over its socket and press down with your fingertip—first on one side, then the other—until it clicks into place.

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    • Use tweezers to hook the bottom edge of the screen cable cover into place, then lay the cover down flat.

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    • Use a 3IP Torx Plus screwdriver to install the 1.7 mm‑long screw securing the screen cable cover.

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    • Be careful not to smudge the cameras when handling the logic board.

    • Flip the logic board up so it's gently resting in its recess in the frame.

    • Remove the suction cup and lay your phone screen-side down.

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    • When inserting the logic board, make sure the battery cable doesn't get caught underneath. You may need to gently bend it out of the way.

    • Push the logic board toward the bottom of the frame and press the charging port down until it snaps into its cutout.

    • Press down on the center of the logic board's bottom edge until the clip near the battery engages.

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    • Push down on the top edge of the logic board so it goes into its recess. Make sure the cameras are sitting flush and not at odd angles.

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    • Use a 3IP Torx Plus screwdriver to install the two 2.8 mm‑long screws securing the logic board.

    • Make sure the logic board lays flat, with nothing caught underneath, before tightening these screws.

Spencer Day

Member since: 14/09/22

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