Introduction

This guide provides the steps to follow to disassemble the Canon Powershot SD550 down to the main system board. Removal of the main system board is required if the existing board has failed, is in need of cleaning or requires maintenance.

Parts

No parts required.

Image 1/1:
  • In preparation for disassembly, the battery and SD Card need to be removed from the camera. You can access both the battery and the SD card through the door on the bottom of the camera.

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Image 1/1: Each of the screws is slightly different, so it is important that you note the original location of each screw.
  • While being careful to remember the original location of each screw, remove the three 0.15 inch screws on the underside of the camera.

  • Each of the screws is slightly different, so it is important that you note the original location of each screw.

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Image 1/3: Remove both screws, then carefully lift the side panel off. Image 2/3: Underneath the side panel, there is a .07 inch screw. Remove it. Image 3/3: Underneath the side panel, there is a .07 inch screw. Remove it.
  • Find the next two screws on the right side of the camera. One of them is hidden under the USB port cover. The upper screw is .125 inches long, while the lower screw measures .085 inches.

  • Remove both screws, then carefully lift the side panel off.

  • Underneath the side panel, there is a .07 inch screw. Remove it.

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Image 1/3: Image 2/3: Image 3/3:
  • On the left side of the camera, there are two .085 inch screws. Remove these, then lift the plate from the camera.

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Image 1/3: Image 2/3: Image 3/3:
  • Now the camera body is loose. gently lift the rear of the case to remove it from the camera.

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Image 1/3: You have now successfully removed the outer case. Image 2/3: You have now successfully removed the outer case. Image 3/3: You have now successfully removed the outer case.
  • Next, remove the front of the camera body. Be sure to keep track of the rubber ring.

  • You have now successfully removed the outer case.

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Image 1/3: To free the LCD display, remove the .113 inch screw in the top left corner. Image 2/3: Then, rotate the screen clockwise until it lifts away from the camera. Image 3/3: There are two ribbon cables attached to the rear of the screen. Do not try to pull the screen off at this point.
  • Next, peel the navigation buttons from the button panel and set them aside.

  • To free the LCD display, remove the .113 inch screw in the top left corner.

  • Then, rotate the screen clockwise until it lifts away from the camera.

  • There are two ribbon cables attached to the rear of the screen. Do not try to pull the screen off at this point.

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Image 1/2: After disconnecting both cables, pull the screen away from the camera to remove it. Image 2/2: After disconnecting both cables, pull the screen away from the camera to remove it.
  • To unplug the ribbon cables, pull them straight out of their plugs. Do this gently to avoid damaging the connections.

  • After disconnecting both cables, pull the screen away from the camera to remove it.

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Image 1/2: Using the spudger, disconnect the ribbon cable attaching the button contact panel to the motherboard. Image 2/2: Gently pull the button contact panel away from the motherboard.
  • Unscrew the two .135 inch screws still holding the button contact panel onto the camera.

  • Using the spudger, disconnect the ribbon cable attaching the button contact panel to the motherboard.

  • Gently pull the button contact panel away from the motherboard.

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Image 1/2: Using the spudger as leverage, unplug the connector and pull it away from the motherboard. Image 2/2: Using the spudger as leverage, unplug the connector and pull it away from the motherboard.
  • Underneath the button contact panel, you will find a large connector.

  • Using the spudger as leverage, unplug the connector and pull it away from the motherboard.

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Image 1/3: Using the spudger as leverage, flip the blue flap up, unlocking the ribbon. Image 2/3: Place the spudger into the hole in the ribbon and pull the ribbon away from the connector. Image 3/3: Place the spudger into the hole in the ribbon and pull the ribbon away from the connector.
  • The last ribbon is held in place by the blue flap. Insert the spudger under the blue flap.

  • Using the spudger as leverage, flip the blue flap up, unlocking the ribbon.

  • Place the spudger into the hole in the ribbon and pull the ribbon away from the connector.

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Image 1/1: Remove the motherboard by pulling it out with either tweezers or the spudger.
  • The motherboard is now disconnected from the camera.

  • Remove the motherboard by pulling it out with either tweezers or the spudger.

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Conclusion

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

Luke Thompson

Member since: 04/17/2011

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Cal Poly, Team 18-23, Garner Spring 2011 Member of Cal Poly, Team 18-23, Garner Spring 2011

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