5 ms·
JAMMA arcade PCBs normally only use the -5V for audio opamps or DACs. The power amplifier is powered by the +12V rail (in a bridge configuration to provide +/-1
by TD-Linux 5y ago
JAMMA arcade PCBs normally only use the -5V for audio opamps or DACs. The power amplifier is powered by the +12V rail (in a bridge configuration to provide +/-12V swings to the speaker).