Museum of the Game® & International Arcade Museum® Forums

1) I plan on using a non-rechargeable battery on an Omega Race PCB. What is the best & easiest way to defeat/stop the recharging circuit?
2) Reviewing the schematics, it looks like the +12 is only used for the audio circuit. Which (if any) IC's use +12? If none, what other components on the board use the +12?
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