Sony DSC-RX100MA SD Motherboard Replacement

Remove battery by sliding the tab to open the cover

Using the screwdriver, remove all screws (black 2.5mm) from outermost layer of the assembly.

Also using the screwdriver, remove screws (black 1mm) underneath articulated LCD screen.

Remove the marked 2.5 mm screws with the screwdriver

Using the plastic opening tools, carefully pry off the bottom plate.

Using the same plastic opening tools, separate the screen and back assembly from the front portion of the camera

Once the back assembly is slightly detached, pull the media covers for the HDMI and Multimedia ports

Remove the back cover

Move side panel to get access to screws

Remove two screws (black 2.5mm) with PH #0 screwdriver

Remove back panel assembly while still keeping ribbon cable attached

Carefully unplug ribbon connector to fully detach LCD screen assembly from camera

Remove remaining screw which holds the copper casing in the camera

Using the plastic opening tools, carefully pry off the copper casing at the two pictured points.

Remove casing

Using Philips Screwdriver, remove the four screws as marked on the picture

Place your finger into the battery port and push up on the SD card holder to push it out of its socket.

Carefully remove the gold ribbons from the ports of the motherboard by lifting the gray tabs and pulling away the ribbon

You may want to use tweezers to remove the gold ribbons as a more delicate and safe approach, but this is not required

Remove the SD card holder. It should easily come out because all of the prerequisite screws were already removed.

Carefully remove the last gold ribbon by lifting the gray tab and sliding out the ribbon.

Viola! The motherboard is now removed and can be replaced with a new one.