Introduzione
This guide demonstrates how to replace the motherboard of your Canon PowerShot SD450 camera.
Motherboards are responsible for managing communication between various components. If your camera is randomly shutting off, fails to boot, overheats, or makes strange sounds, use this guide to replace the motherboard.
Consult with the troubleshooting page to confirm the issue is with the motherboard before using this guide.
Digital cameras contain large capacitors that can deliver a severe electric shock. Metal-spungers are not ESD-safe, thus can be dangerous and further damage components if misused. Before beginning, power off the camera completely, disconnect it from any external power source, and remove any batteries.
Consider recycling the old motherboard.
Strumenti
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Unscrew the six screws on the casing. Two are on the bottom as pictured; two more are on each side of the camera.
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Find the line that separates the casing into its two halves. Hold each half separately, and gently pull apart.
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Note that there is a small metal clip holding the two halves together. It might help to press down on the back half (indicated) while pulling upward slightly on the front half.
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Remove the square, clear, rubber protector from the front of the logic board. This is not necessary to remove, but can easily fall off and get lost during later steps.
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When you reassemble the camera, make sure the switch on the casing matches the position of the switch on the camera internals.
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The black viewfinder padding can easily fall off the casing. Make sure you don't lose it when moving around parts.
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Remove the LCD cable by gently prying the hinge open with a spudger or your finger. The cable should easily slide out.
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Pull the ribbon out of the socket using the spudger or your finger.
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Disconnect the two other ribbons from the logic board in the same fashion.
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Use the screwdriver to remove the three screws on the logic board. Take note that the bottom right screw is shorter than the other two.
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To reassemble your device, follow these instructions in reverse order.
