First, identify the Motherboard, it will be the green panel which all five separate white wire wraps connect to.

Once the Motherboard has been identified, begin unscrewing the Motherboard by using a Phillips Head 0 Screwdriver. There will be two 9 mm Phillips Head screws with, they are located on opposite corners.

To completely remove the motherboard, you must also remove the panel located right next to the Motherboard. There are four additional 12 mm Phillips Head screws with flared edges which connect the separate panel to the Guitar Controller, here we will use the same Phillips Head 0 Screwdriver.