Repairing Canon PowerShot SD450 Lens Assembly

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This guide will walk you through a lens assembly replacement procedure.

Sections
Tools
Image #1

Add Note Edit Step 1 — Casing  ¶ 

  • Remove the battery and SD Card from their slots. Leaving these in could cause the battery to ground and ruin the electronics.

  • Unscrew the six screws on the casing. Two are on the bottom as pictured; two more are on each side of the camera.

Image #1

Add Note Edit Step 2  ¶ 

  • Pull the lanyard mount off of the camera using a spudger or your fingers.

Image #1 Image #2

Add Note Edit Step 3  ¶ 

  • Find the line that separates the casing into its two halves. Hold each half seperately, and gently pull apart.

  • 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.

Image #1

Add Note Edit Step 4  ¶ 

  • Take hold of the inside of the camera, and gently pull away from the back casing.

Image #1

Add Note Edit Step 5  ¶ 

  • 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.

Image #1

Add Note Edit Step 6  ¶ 

  • When you reassemble the camera, make sure the switch on the casing (pictured left) matches the position of the switch on the camera internals.

  • The black viewfinder padding (pictured right) can easily fall off the casing. Make sure you don't lose it when moving around parts.

Image #1

Add Note Edit Step 7 — Logic Board  ¶ 

  • Remove the LCD cable by gently prying the hinge open with a spudger or your finger. The cable should easily slide out.

Image #1

Add Note Edit Step 8  ¶ 

  • Lift up the metallic-colored clip with the spudger to remove the shutter panel.

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Required Tools

Spudger

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Phillips #00 Screwdriver

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Portable Anti-Static Mat

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