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Lenovo Tab 4 TB-8504F Motherboard Replacement

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  1. Lenovo Tab 4 TB-8504F Motherboard Replacement, Battery: 步骤 1 中的图像 1,3 Lenovo Tab 4 TB-8504F Motherboard Replacement, Battery: 步骤 1 中的图像 2,3 Lenovo Tab 4 TB-8504F Motherboard Replacement, Battery: 步骤 1 中的图像 3,3
    • Start at the microSD slot. This is the easiest entry point.

    • Use the opening pick gently to slide underneath the back cover of the tablet.

    • Slide the opening pick around the entire edge of the tablet. Don't force it and work slowly to release all clips.

    • Once all clips are loose, lift and remove the back cover.

  2. Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 2 中的图像 1,3 Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 2 中的图像 2,3 Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 2 中的图像 3,3
    在这个步骤中使用的工具:
    Tweezers
    $4.99
    • Remove the 8 Phillips #000 screws holding the plastic shield.

    • Important: One screw is hidden under the blue "S" sticker.

    • Remove any tape holding the plate shield.

    • Use precision tweezers or your fingers to remove the plate.

  3. Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 3 中的图像 1,2 Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 3 中的图像 2,2
    • Peel back the yellow protective tape over the battery connector.

    • Use a spudger or plastic opening tool to remove the battery's ribbon cable from the motherboard.

  4. Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 4 中的图像 1,3 Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 4 中的图像 2,3 Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 4 中的图像 3,3
    • Locate the two stretch-release adhesive strips at the bottom of the battery.

    • Gently pull each strip slowly and straight out under the battery.

    • Don't pull upward, only pull horizontally away from the battery

    • The strips are longer than you think, so take your time

    • Once both strips are off, lift the battery from the frame.

  5. Lenovo Tab 4 TB-8504F Motherboard Replacement, MicroSD Card Reader: 步骤 5 中的图像 1,2 Lenovo Tab 4 TB-8504F Motherboard Replacement, MicroSD Card Reader: 步骤 5 中的图像 2,2
    在这个步骤中使用的工具:
    Tweezers
    $4.99
    • There is a yellow tape holding the microSD card reader connector. Use tweezers to hold down the tape.

    • Gently lift the tab on the microSD card reader's ZIF connector, and gently pull the ribbon cable free.

  6. Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 6 中的图像 1,2 Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 6 中的图像 2,2
    • Lift the microSD card reader with tweezers or your fingers.

  7. Lenovo Tab 4 TB-8504F Motherboard Replacement, Rear Camera: 步骤 7 中的图像 1,2 Lenovo Tab 4 TB-8504F Motherboard Replacement, Rear Camera: 步骤 7 中的图像 2,2
    在这个步骤中使用的工具:
    Tweezers
    $4.99
    • Use a spudger to lift the rear camera press-fit connector up and free.

    • Use tweezers to lift the rear camera out of the frame.

  8. Lenovo Tab 4 TB-8504F Motherboard Replacement, Front Camera: 步骤 8 中的图像 1,2 Lenovo Tab 4 TB-8504F Motherboard Replacement, Front Camera: 步骤 8 中的图像 2,2
    在这个步骤中使用的工具:
    Tweezers
    $4.99
    • Using tweezers, lift the yellow tape hiding the front camera.

    • Disconnect the front camera's connector from the motherboard using tweezers.

  9. Lenovo Tab 4 TB-8504F Motherboard Replacement, Motherboard: 步骤 9 中的图像 1,2 Lenovo Tab 4 TB-8504F Motherboard Replacement, Motherboard: 步骤 9 中的图像 2,2
    在这个步骤中使用的工具:
    Tweezers
    $4.99
    • Use tweezers to pull screen digitizer cable from the motherboard.

  10. Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 10 中的图像 1,1
    • Desolder the two top speaker wires from the motherboard.

    • Be careful as the soldering iron is hot! Improper handling can result in severe burns.

  11. Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 11 中的图像 1,3 Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 11 中的图像 2,3 Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 11 中的图像 3,3
    • Desolder the black and red speaker wires from the motherboard.

  12. Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 12 中的图像 1,1
    • Use a Phillips #000 screwdriver to remove the two screws that secure the speaker to the motherboard.

  13. Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 13 中的图像 1,2 Lenovo Tab 4 TB-8504F Motherboard Replacement: 步骤 13 中的图像 2,2
    • Lift motherboard from the tablet.

    • Using your hand, you can separate the top speaker from the motherboard.

结论

To reassemble your device, follow these instructions in reverse order.

4等其他人完成本指南。

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