Installing Canon PowerShot SD850 IS Flash Unit

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Dec 15, 2010 - 11:46:16

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Introduction

Use this guide to remove a broken flash unit from your Canon PowerShot SD850 IS.

What you need

Step 1 Case

Installing Canon PowerShot SD850 IS Flash Unit, Case: step 1, image 1 of 2

Installing Canon PowerShot SD850 IS Flash Unit, Case: step 1, 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.

Step 2

Installing Canon PowerShot SD850 IS Flash Unit: step 2, 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.

Step 3

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.

Step 4

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

Step 5

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

Step 6

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

Step 7 LCD Screen

Installing Canon PowerShot SD850 IS Flash Unit, LCD Screen: step 7, image 1 of 1

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

Step 8

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

Step 9

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

Step 10

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.

Step 11

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.

Step 12

The LCD screen and housing are now in three pieces:
LCD screen
LCD screen frame
LCD back housing
The LCD screen itself can now be removed and fixed/replaced.

Step 13 Flash Unit

Installing Canon PowerShot SD850 IS Flash Unit, Flash Unit: step 13, image 1 of 1

Remove the 1.85 mm #00 Phillips located on the left side of the camera.

Step 14

Use a set of tweezers to remove the speaker located at the top of the camera on the flash unit.
Next use the tweezers to carefully remove the speaker cable off its respective holders.

Step 15

Use a spudger or a flathead screwdriver to remove the camera lens cable located in the front of the camera.

Step 16

Use a spudger or a flathead screwdriver and carefully pry out the first flash cable from the bottom of the cable.
Next use a spudger or a flathead screwdriver and carefully pry out the second flash cable.

Step 17

Gently remove the flash component from the rest of the camera.
Use a spudger or a flathead screwdriver and carefully pry off the plastic piece on top of the flash unit.
The flash unit can now be removed and replaced.
Be careful not to touch the capacitor attached to the flash unit as it may still be holding a charge!