Video Output (Mattel Intellivision) Updated Mar 15, 2026 · 8 min read · 0 viewing Previous Game Load (Intellivision) The best place to detect if the game has loaded is a combination of the !MSYNC (Master Sync pin 13),... Next Black / No Screen (Intellivision) If you have checked all your power rails are good, while under load (console turned on) including th...