Repair & Schematics
Sega Mega-Tech Arcade
Powering From Bench (Sega Mega-Tech)
1min
The Sega Mega-Tech is powered from the pin headers at the top right.
It has two main rails:- a 12V rail for the sound output, and a 5V rail for the rest of the system.

Power Pinout (Sega Mega-Tech)
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For most testing/diagnostics you can simply power the board from a bench supply on the 5V rail.
A working board pulls around 1.6A at 5V.
Once 5V is applied you should see red light on the bottom left of board.
Updated 02 Jun 2023
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