Canon Powershot A720 IS Battery Contacts Replacement

Turn to the bottom of the camera to access the battery department door.

Push the battery lock up to open.

Slide the batteries out of the camera.

Place the camera on a flat surface so that the lens is facing up.

Use the Phillips #00 precision screwdriver to remove the innermost 4 mm Phillips head screw. Remove the door from the camera.

Place the door on a flat surface with the battery contact facing up. Remove the two 4 mm Phillips head screws.

Slide the battery contact from the door.

Remove the six 4 mm Phillips head screws on both the sides and bottom of the camera.

Use your hands to separate the back case panel from the rest of the camera.

Unscrew the two 3 mm screws that are below the LCD screen mount.

Unscrew the top 4 mm screw.

Carefully lift and turn over the LCD ccreen to see the motherboard.

Carefully disconnect the LCD screen ribbon cable away from its ZIF connector with your thumb and index finger. Make sure to have your thumb and index finger cover as much of the ribbon's width and as close to the ZIF connector as possible without touching the motherboard while pulling the ribbon out.

Use the soldering iron to separate the black and red power wires from the motherboard.

Remove the 3 mm Phillips head screw that is between the circuit boards.

Remove the next three 3.5 mm Phillips head screws that are on the button circuit board.

Use the spudger to unclip both wires from underneath the shutter button and settings dial housing unit.

Turn the camera over and unscrew 4.5 mm Phillips head screw to detach the shutter button and settings dial from the rest of the camera.

Unscrew the 3 mm Phillips screw head from the metal frame to begin detaching the battery housing unit.

Use the plastic opening tool to separate the button circuit board from the shutter button and the settings dial housing unit.

Carefully disconnect the ribbon cable that is attached to the user buttons circuit board away from the ZIF connector that is attached to the motherboard.

Remove the user button circuit board.

Use the spudger to remove the attached ribbon cable. Be sure to alternate the spudger on both sides of ribbon cable to remove evenly.

Use the spudger to remove the pictured ribbon from the ZIF connector.

Use the spudger to remove the green ribbon from the attached ZIF connector.

Desolder all of the wires attached to the motherboard and move them aside with the tweezers.

After disconnecting all ribbons, lift the motherboard to expose the ribbon cable connecting the motherboard to the lens.

Use the spudger to remove the the ribbon cable attached to the motherboard. Be sure to alternate both sides of ribbon cable to evenly remove.

Turn the camera to the lens facing up. Remove the 3 mm Phillips head screw attached the bottom of the battery housing unit to the lens.

Turn the camera to expose the bottom. Remove the 30 mm Phillips head screw to disassemble the battery housing unit from the camera.

Remove the metal frame from battery housing unit.

Separate the lens from the motherboard. Put the lens housing unit aside for later use.

Use tweezers to remove the tape and rubber strap. Unravel the wires from the plastic hooks.

Use the soldering iron to remove the red and black wires from the battery contacts.

Use the plastic opening tool to unclip the metal tab.

Apply pressure with the spudger to detach the clip.