Quoted from Tuukka:From the factory, these games worked pretty well without any additional gimmick boards. And they can always be restored to original condition by replacing aged capacitors or rectifiers.
Caps and rectifiers are RARELY the draw down causing the reset. That is a myth. Please read the PinWiki that was scientifically pieced together to provide a flow chart for the possible causes and fixes for a 5V watch dog reset.