Having found the brain behind the display, this would be the heart of the machine, providing power to every component.

Removing those colorful connectors and three Torx screws lets us get our hands on this junction.

Getting those back on in the right order will be a challenge, so we take a reference picture.

STMicroelectronics L7805CV 1.5 A / 5 V regulator

ON Semiconductor (formerly Fairchild Semiconductor) MOC3062M triac driver optocoupler