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Canon PowerShot S400 Motherboard Replacement

Introduction

This guide illustrates how to replace the motherboard in the S400.

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  1. Canon PowerShot S400 Motherboard Replacement, LCD Screen: étape 1, image 1 de 2 Canon PowerShot S400 Motherboard Replacement, LCD Screen: étape 1, image 2 de 2

    • Unless stated otherwise, use a Phillips #00 screwdriver to remove all screws.

    • On the backside of the camera, remove the 4.75 mm screw that sits at the top right corner.

    • Remove the four 4.75 mm screws that sit at the bottom of the camera.

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  2. Canon PowerShot S400 Motherboard Replacement: étape 2, image 1 de 1

    • On the side of the camera, remove the two 4.75 mm screws that sit near the USB digital terminal.

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  3. Canon PowerShot S400 Motherboard Replacement: étape 3, image 1 de 3 Canon PowerShot S400 Motherboard Replacement: étape 3, image 2 de 3 Canon PowerShot S400 Motherboard Replacement: étape 3, image 3 de 3

    • On the side of the camera, remove the four 4.75 mm screws that sit near the wrist strap mount.

    • Remove the two small metal plates, which the four screws hold in place.

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  4. Canon PowerShot S400 Motherboard Replacement: étape 4, image 1 de 2 Canon PowerShot S400 Motherboard Replacement: étape 4, image 2 de 2

    • When removing the casing, do not drop the small black plastic piece. This piece sits in a small gap above the lens, to the left of the flash, and underneath the camera case.

    • Remove the small black plastic piece and set it aside. If necessary, use tweezers to remove the small black plastic piece.

    • Detach the front case and back case.

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  5. Canon PowerShot S400 Motherboard Replacement: étape 5, image 1 de 1

    • Do not remove the metal plate this step refers to. Removal at this step may damage the ribbon cable. Wait until the next step to remove the plate.

    • Remove the 3.5 mm screw that sits on the metal plate at the bottom of the camera.

    • Remove the two other 3.5 mm screws that sit on the side, to the left of the screw you just removed.

    • In the image, we have already removed some of the screws.

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  7. Canon PowerShot S400 Motherboard Replacement: étape 6, image 1 de 3 Canon PowerShot S400 Motherboard Replacement: étape 6, image 2 de 3 Canon PowerShot S400 Motherboard Replacement: étape 6, image 3 de 3

    • A ribbon cable attaches to the metal plate and to the main circuit board, on the front of the camera.

    • Gently release the black latch.

    • Remove the ribbon cable and metal plate assembly.

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  8. Canon PowerShot S400 Motherboard Replacement: étape 7, image 1 de 2 Canon PowerShot S400 Motherboard Replacement: étape 7, image 2 de 2

    • On the backside of the camera, remove the 3.5 mm screw that sits to the left of the viewfinder and above the LCD screen.

    • Remove the second 3.5 mm screw that sits directly above the LCD screen.

    • Gently detach the ribbon cable.

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  9. Canon PowerShot S400 Motherboard Replacement: étape 8, image 1 de 1

    • Locate the ribbon cable on the main circuit board, which sits below the lens.

    • Gently release the black latch on the ribbon cable connector and detach the ribbon cable.

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  10. Canon PowerShot S400 Motherboard Replacement: étape 9, image 1 de 2 Canon PowerShot S400 Motherboard Replacement: étape 9, image 2 de 2

    • Remove the LCD screen and set it aside.

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  11. Canon PowerShot S400 Motherboard Replacement, Motherboard: étape 10, image 1 de 1

    • On the main circuit board, gently release the black latches of the four ribbon cables.

    • Gently detach the ribbon cables.

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  12. Canon PowerShot S400 Motherboard Replacement: étape 11, image 1 de 2 Canon PowerShot S400 Motherboard Replacement: étape 11, image 2 de 2

    • Detach the white-capped and green-capped wires, which sit near the flash.

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  13. Canon PowerShot S400 Motherboard Replacement: étape 12, image 1 de 1

    • Using a spudger, gently detach the shutter button assembly from the camera.

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  14. Canon PowerShot S400 Motherboard Replacement: étape 13, image 1 de 1

    • Remove the four 3.5 mm screws that hold the main circuit board.

    • In the image, we have already removed some of the screws.

    • Do not remove the main circuit board yet.

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  15. Canon PowerShot S400 Motherboard Replacement: étape 14, image 1 de 2 Canon PowerShot S400 Motherboard Replacement: étape 14, image 2 de 2

    • Do not completely remove the main circuit board from the camera. A soldered ribbon cable still attaches the board to the camera. Complete removal would break the soldering points.

    • In a hinge-like motion, gently lift the bottom of the main circuit board, which is the side without the soldering points.

    • Gently detach the white ribbon cable from the underside of the main circuit board.

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  16. Canon PowerShot S400 Motherboard Replacement: étape 15, image 1 de 2 Canon PowerShot S400 Motherboard Replacement: étape 15, image 2 de 2

    • Do not attempt this next step unless you have soldering experience and feel comfortable desoldering. Otherwise you may damage the camera.

    • Gently desolder the two ribbon cables attached to the motherboard.

    • Remove the motherboard.

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Conclusion

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

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Ross Bryan

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Cal Poly, Team 5-19, Amido Winter 2011 Membre de l'équipe Cal Poly, Team 5-19, Amido Winter 2011

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