crwdns2915892:0crwdne2915892:0
Use this guide to remove a broken Motherboard from your Canon PowerShot SD850 IS.
crwdns2942213:0crwdne2942213:0
- 
   
   - 
                     
            Slide the light grey tab toward the edge of the camera using your fingernail. 
- 
                     
            Pull the light grey tab up to open the door. 
 
- 
                     
            
- 
   
   - 
                     
            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. 
 
- 
                     
            
- 
   
   - 
                     
            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. 
 
- 
                     
            
- 
   
   - 
                     
            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. 
 
- 
                     
            
- 
   
   - 
                     
            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. 
 
- 
                     
            
- 
   
   - 
                     
            Gently pull the front cover straight out from the camera. This will expose the wiring on the front of the camera. 
 
- 
                     
            
- 
   
   - 
                     
            Remove the 2.75 mm Phillips #00 next to A/V OUT DIGITAL. 
 
- 
                     
            
- 
   
   - 
                     
            Slide the back casing (with the screen protector) off to reveal the LCD and back wiring. 
 
- 
                     
            
- 
   
   - 
                     
            Remove the 1.75 mm Phillips #00 located at the top left of the LCD screen. 
 
- 
                     
            
- 
   
   - 
                     
            Remove the two 3.4 mm Phillips #00 located at the bottom of the camera. 
 
- 
                     
            
- 
   
   - 
                     
            Remove the two metal frames that hold the LCD panel in place. 
 
- 
                     
            
- 
                     
                                                
- 
   
   - 
                     
            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. 
 
- 
                     
            
- 
   
   - 
                     
            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. 
 
- 
                     
            
- 
   
   - 
                     
            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. 
 
- 
                     
            
- 
   
   - 
                     
            Remove the 1.85 mm #00 Phillips located on the left side of the camera. 
 
- 
                     
            
- 
   
   crwdns2935267:0crwdne2935267:0Tweezers$4.99- 
                     
            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. 
 
- 
                     
            
- 
   
   - 
                     
            Use a spudger or a flathead screwdriver to remove the camera lens cable located in the front of the camera. 
 
- 
                     
            
- 
   
   - 
                     
            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. 
- 
                     
            Next use a spudger or a flathead screwdriver and carefully pry out the second flash cable. 
 
- 
                     
            
- 
   
   - 
                     
            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. 
 
- 
                     
            
- 
   
   - 
                     
            Remove four screws located on the back of the camera: 
- 
                     
            6.15 mm #00 Phillips 
- 
                     
            2.75 mm #00 Phillips 
- 
                     
            2.15 mm #00 Phillips 
- 
                     
            2.7 mm #00 Phillips 
 
- 
                     
            
- 
   
   - 
                     
            Use a spudger or a flathead screwdriver and carefully pry out the bulb located in the front of the camera on top of the camera lens. 
 
- 
                     
            
- 
   
   - 
                     
            Gently remove the camera lens from the rest of the camera. 
 
- 
                     
            
- 
   
   - 
                     
            Remove the 2.6 mm Phillips #00 located near the shutter release button. 
 
- 
                     
            
- 
   
   - 
                     
            Use a prying device or your fingers to release the ribbon from its holder. 
- 
                     
            Gently remove the shutter release component from the camera. 
 
- 
                     
            
- 
   
   - 
                     
            Remove the 3.4 mm Phillips #00 located under the camera. 
- 
                     
            Next use a prying device or your fingers to release the power trigger cable from its holder. 
 
- 
                     
            
- 
   
   - 
                     
            Use a prying device or your fingers to release the ribbon from their respective holders located at the top of the camera. 
 
- 
                     
            
- 
   
   - 
                     
            Use a spudger or a flathead screwdriver to unlock the ribbon located at the back of the camera. 
- 
                     
            Then gently slide out the ribbon. 
 
- 
                     
            
- 
   
   - 
                     
            The whole ribbon and metal casing can now be easily removed from the remains of the camera. 
 
- 
                     
            
- 
   
   - 
                     
            Use a spudger or a flathead screwdriver to release the motherboard cable. 
 
- 
                     
            
- 
   
   - 
                     
            Next remove the 3.4 mm Phillips #00 located in front of the camera. wisdom here. 
 
- 
                     
            
- 
   
   - 
                     
            Now the motherboard can be gently removed from the metal casing. 
 
- 
                     
            
To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
