Canon PowerShot SD850 IS Flash Unit Replacement
Peter Tran and 3 other contributors
Last updated on May 7, 2024
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Introduction
Go to step 1 ↓Use this guide to remove a broken flash unit from your Canon PowerShot SD850 IS.
What you need
Tools
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Remove the following 4 screws:
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Two 2.8 mm Phillips #00 at the bottom of the camera.
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Two 2.75 mm Phillips #00 on the opposite side of the wrist strap.
Ask FixBot
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Open the A/V OUT DIGITAL flap on the side of the wrist strap.
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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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On the bottom of the camera, use your fingernail to slide the light gray tab towards the edge of the camera.
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Slide light gray door and pull up to open the door.
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Remove the 8.35 mm Phillips #00 next to the brown tab that holds the battery.
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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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Slide the back casing (with the screen protector) off to reveal the LCD and back wiring.
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Remove the 1.75 mm Phillips #00 located at the top left of the LCD screen.
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The LCD screen should now only be attached by two LCD data cables.
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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.
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Carefully slide the data cable out of the connector.
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The LCD should still be connected by the backlight cable.
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To remove the backlight cable, use a spudger or a small flat head screwdriver to unlock the backlight cable.
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Carefully slide out the backlight cable.
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The LCD screen can now be fully detached from the camera body.
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The LCD screen and housing are now in three pieces:
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LCD screen
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LCD screen frame
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LCD back housing
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The LCD screen itself can now be removed and fixed/replaced.
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Remove the 1.85 mm #00 Phillips located on the left side of the camera.
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Tool used on this step:Tweezers$4.99
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Use a set of tweezers to remove the speaker located at the top of the camera on the flash unit.
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Next use the tweezers to carefully remove the speaker cable off its respective holders.
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Use a spudger or a flathead screwdriver to remove the camera lens cable located in the front of the camera.
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Use a spudger or a flathead screwdriver and carefully pry out the first flash cable from the bottom of the cable. The white 2 prong power cable pops UP (use spudger below red/black insertion and put upward pressure). For the yellow one, apply pressure horizontally.
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Next use a spudger or a flathead screwdriver and carefully pry out the second flash cable.
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Gently remove the flash component from the rest of the camera.
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Use a spudger or a flathead screwdriver and carefully pry off the plastic piece on top of the flash unit.
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The flash unit can now be removed and replaced.
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To reassemble your device, follow these instructions in reverse order.
Team
Cal Poly, Team 20-7, Maness Fall 2010 Member of Cal Poly, Team 20-7, Maness Fall 2010
CPSU-MANESS-F10S20G7
6 Members
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