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Introduction

Use this repair guide to replace a broken LCD screen on your Canon PowerShot SD850 IS.

What you need

Step 1 Battery

Canon PowerShot SD850 IS LCD Screen Replacement, Battery: step 1, image 1 of 3

Canon PowerShot SD850 IS LCD Screen Replacement, Battery: step 1, image 2 of 3

Canon PowerShot SD850 IS LCD Screen Replacement, Battery: step 1, image 3 of 3

Slide the light grey tab toward the edge of the camera using your fingernail.
Pull the light grey tab up to open the door.
These photos do not show the camera’s memory card or battery, which should be visible inside.

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Step 2

Slide the small brown tab toward the edge of the camera using your fingernail.
Let go of the brown tab when the battery pops up.
Grab battery and pull straight up to remove from holder.
When inserting the battery, orient it so that the terminals connect.

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Step 3 Case

Canon PowerShot SD850 IS LCD Screen Replacement, Case: step 3, image 1 of 2

Canon PowerShot SD850 IS LCD Screen Replacement, Case: step 3, image 2 of 2

Remove the following 4 screws:
Two 2.8 mm Phillips #00 at the bottom of the camera.
Two 2.75 mm Phillips #00 on the opposite side of the wrist strap.

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Step 4

Canon PowerShot SD850 IS LCD Screen Replacement: step 4, image 3 of 3

Open the A/V OUT DIGITAL flap on the side of the wrist strap.
Remove the 2.75 mm Phillips #00 under the A/V OUT DIGITAL flap on the side of the wrist strap.

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Step 5

On the bottom of the camera, use your fingernail to slide the light gray tab towards the edge of the camera.
Slide light gray door and pull up to open the door.
Remove the 8.35 mm Phillips #00 next to the brown tab that holds the battery.

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Step 6

Gently pull the front cover straight out from the camera. This will expose the wiring on the front of the camera.

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Step 7

Remove the 2.75 mm Phillips #00 next to A/V OUT DIGITAL.

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Step 8

Slide the back casing (with the screen protector) off to reveal the LCD and back wiring.

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Step 9 LCD Screen

Canon PowerShot SD850 IS LCD Screen Replacement, LCD Screen: step 9, image 1 of 1

Remove the 1.75 mm Phillips #00 located at the top left of the LCD screen.

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Step 10

Remove the two 3.4 mm Phillips #00 located at the bottom of the camera.

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Step 11

Remove the two metal frames that hold the LCD panel in place.

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Step 12

The LCD screen should now only be attached by two LCD data cables.
Lift the screen from the left side and use a spudger or a small flat head screwdriver to flip the black portion of the connector upward to unlock it.
Carefully slide the data cable out of the connector.

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Step 13

The LCD should still be connected by the backlight cable.
To remove the backlight cable, use a spudger or a small flat head screwdriver to unlock the backlight cable.
Carefully slide out the backlight cable.
The LCD screen can now be fully detached from the camera body.