Copyright 2015 Brian Brzezicki, all rights reserved.
Feel free to link to this or use the information within, but please give credit where credit is due.
3/20/2015 - write up version 1.0
For Carnival troubleshooting info please see the carnival troubleshooting page
This is a write up how to hack the Sega/Gremlin carnival game to run off a switcher.
This hack should work with any of the Sega VIC/Dual VIC games
Please note, if you convert to a switcher you will need an external sound amp for your sound, as the power brick on the Sega/Gremlin VIC based games has it's sound amplification there.
|Wire up the power headers to your JAMMA switcher as shown in the picture
Now if you stopped here, you would notice the game never successfully boots, that's because there's a special reset circuit that's looking for 3V AC, without that the reset pin on the CPU will be held low forever. We need to bypass that circuit and get +5V to the output of that AC power on reset circuit.
To do this: