Hardware Overview (Sega Mega-Tech) Updated Mar 15, 2026 · 2 min read · 0 viewing Previous Schematics (Sega Mega-Tech) Schematics & Manuals 📎 Megatech-schem.pdf (file unavailable) 📎 MegaTechSystem_UK_Manual.pdf (file ... Next Boot Up Behaviour (Sega Mega-Tech Arcade) Applying 5V to the 5V rail should get the Mega Tech booting up. Power draw should be around 1.8 to 2...