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What you need

  1. Canon PowerShot SD870 IS Motherboard Replacement, Canon PowerShot SD870 IS Motherboard Replacement: step 1, image 1 of 1
    • Remove the wrist strap, if present.

    • Remove the lithium-ion battery.

  2. Canon PowerShot SD870 IS Motherboard Replacement: step 2, image 1 of 3 Canon PowerShot SD870 IS Motherboard Replacement: step 2, image 2 of 3 Canon PowerShot SD870 IS Motherboard Replacement: step 2, image 3 of 3
    • Remove the two 4 mm Phillips #00 screws on the bottom of the camera.

    • Remove the screw next to the wrist strap attachment.

    • Pull up the “A/V OUT DIGITAL” cover and remove the screw above the USB port.

  3. Canon PowerShot SD870 IS Motherboard Replacement: step 3, image 1 of 1
    • Carefully unhook the “A/V OUT DIGITAL” cover from the hinge.

  4. Canon PowerShot SD870 IS Motherboard Replacement: step 4, image 1 of 2 Canon PowerShot SD870 IS Motherboard Replacement: step 4, image 2 of 2
    • Pull the front cover from the camera by using gentle upward pressure.

  5. Canon PowerShot SD870 IS Motherboard Replacement: step 5, image 1 of 2 Canon PowerShot SD870 IS Motherboard Replacement: step 5, image 2 of 2
    • Remove the two Phillips #00 screws from the flat end of the camera.

    • Remove the black L-shaped side cover plate.

    • Remove the silver u-shaped retainer plate.

  6. Canon PowerShot SD870 IS Motherboard Replacement: step 6, image 1 of 1
    • Slide the back casing off.

  7. Canon PowerShot SD870 IS Motherboard Replacement: step 7, image 1 of 1
    • The first screw that needs to be removed is located on the bottom of the camera, on the left hand side.

    • Using a Phillips #00 screwdriver remove the 0.133in silver screw on the bottom left-hand side.

  8. Canon PowerShot SD870 IS Motherboard Replacement: step 8, image 1 of 2 Canon PowerShot SD870 IS Motherboard Replacement: step 8, image 2 of 2
    • The second screw that needs to be removed is located on the top of the camera.

    • Using the same Phillips head screwdriver, remove the last 0.133in silver screw.

    • This will detach a silver U-shaped piece that was holding LCD screen on. Remove the piece and put it to the side.

  9. Canon PowerShot SD870 IS Motherboard Replacement: step 9, image 1 of 1
    • The LCD screen should now only be attached by the LCD data cable.

    • Lift the screen from the right side and use a small screwdriver or other small opening device to flip the black portion of the connector upward to unlock it.

    • Carefully slide the data cable out of the connector.

    • The LCD should still be connected by the backlight cable.

  10. Canon PowerShot SD870 IS Motherboard Replacement: step 10, image 1 of 2 Canon PowerShot SD870 IS Motherboard Replacement: step 10, image 2 of 2
    • To remove the backlight cable, use another small opening device to unlock the backlight cable.

    • Carefully slide out the backlight cable.

    • The LCD screen should now be fully detached from the camera body.

  11. Canon PowerShot SD870 IS Motherboard Replacement: step 11, image 1 of 1
    • The LCD screen casing is connected by 4 claws located on the top and bottom on the left and right hand side.

    • Carefully disengage the claws by gently prying them off one by one.

    • Once the claws are disengaged, the back of the casing will still be connected to the front casing by the backlight cable.

    • Carefully peel the backlight cable off of the casing.

  12. Canon PowerShot SD870 IS Motherboard Replacement: step 12, image 1 of 1
    • The LCD screen and housing should now be in three pieces:

    • LCD screen

    • LCD screen frame

    • LCD screen back housing

    • The LCD screen itself can now be removed and fixed/replaced.

  13. Canon PowerShot SD870 IS Motherboard Replacement: step 13, image 1 of 2 Canon PowerShot SD870 IS Motherboard Replacement: step 13, image 2 of 2
    • With the case and LCD screen removed, you are ready to remove the release button.

    • Begin by using the Philips #00 screwdriver to remove two silver 0.159in screws on the top and front of the camera.

  14. Canon PowerShot SD870 IS Motherboard Replacement: step 14, image 1 of 1
    • The top plastic piece holding the release button should be held on only by a red-and-black wire connector to the logic board.

    • Remove the connector from the logic board and detach the release button housing from the camera.

  15. Canon PowerShot SD870 IS Motherboard Replacement: step 15, image 1 of 2 Canon PowerShot SD870 IS Motherboard Replacement: step 15, image 2 of 2
    • With the plastic housing for the release button removed from the camera, use the Philips #00 screwdriver to remove two silver 0.090in screws.

    • The release button can now be removed and fixed or replaced.

  16. Canon PowerShot SD870 IS Motherboard Replacement: step 16, image 1 of 2 Canon PowerShot SD870 IS Motherboard Replacement: step 16, image 2 of 2
    • With the case, LCD screen, and release button housing removed, the logic board can be accessed and removed for replacement or repair.

    • Begin by using the Philips #00 screwdriver to remove two silver 0.080in screws on the left side of the metal housing plate (yellow circles).

    • Use the Philips #00 screwdriver to remove nine silver screws from the back and top of the camera (red circles).

    • You will have to lift the Function button and its wiring up from the pins holding it in place to access some of the screws.

  17. Canon PowerShot SD870 IS Motherboard Replacement: step 17, image 1 of 1
    • The metal back plate can now be removed. All that is holding it on at this point are pins and wires connected to the logic board.

  18. Canon PowerShot SD870 IS Motherboard Replacement: step 18, image 1 of 2 Canon PowerShot SD870 IS Motherboard Replacement: step 18, image 2 of 2
    • Now, the wires connected to the logic board must be removed. Gently pull them out of their holders on the logic board.

    • Once the connectors are disconnected, the logic board can be removed for repair or replacement.

Conclusion

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

System

Member since: 09/24/2009

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