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Введение
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.
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Remove the 3.2 mm screw from the right side of the camera.
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Remove the 2.2 mm screw from the right side of the camera.
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Lift the side panel off.
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Remove the 1.8 mm screw from underneath the side panel.
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Remove the two 2.2 mm screws from the left side of the camera.
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Lift the plate from the camera.
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Peel the navigation buttons from the button panel and set them aside.
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To free the LCD display, remove the 2.9 mm screw in the top left corner.
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Rotate the screen clockwise until it lifts away from the camera.
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To unplug the ribbon cables, pull them straight out of their plugs. Do this gently to avoid damaging the connections.
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After disconnecting both cables, pull the screen away from the camera to remove it.
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Unscrew the two .135 inch screws still holding the button contact panel onto the camera.
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Using the spudger, disconnect the ribbon cable attaching the button contact panel to the motherboard.
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Gently pull the button contact panel away from the motherboard.
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Underneath the button contact panel, you will find a large connector.
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Using the spudger as leverage, unplug the connector and pull it away from the motherboard.
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The last ribbon is held in place by the blue flap. Insert the spudger under the blue flap.
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Using the spudger as leverage, flip the blue flap up, unlocking the ribbon.
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Place the spudger into the hole in the ribbon and pull the ribbon away from the connector.
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The motherboard is now disconnected from the camera.
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Remove the motherboard by pulling it out with either tweezers or the spudger.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.