LUCCA A53 / Vivaldi: Accessing Main Computer (CPU)

Below are instructions for getting to the La Spaziale LUCCA A53 or Vivaldi's main computer to replace the computer or verify connectivity from the computer to the rest of the machine.

NOTE: If you have a post-2021 version of the Lucca A53 DP or Lucca A53 Mini, you may need to verify that the DIP switches on the CPU are in the correct position for your machine. The following PDF demonstrates how to set the DIP switches (scroll down for English):
La Spaziale S1 Universal Board

Lucca A53 Mini = Mini Vivaldi II and Mini Vivaldi machines
Lucca A53 DP = Vivaldi II and Vivaldi machines

Tools needed:

Phillips screwdriver

Before you can do this you will need to remove the side and back panels from the machine.

LUCCA A53 / Vivaldi: Accessing Main Computer

The machine can be tested with the panels off and the main computer opened as shown in the photo above, verify that all wires are attached and that it is not in danger of getting wet. It's always a good idea to test the machine before reinstalling the panels.