LC78815
The Sanyo LC78815 chip is a CDDA DAC (Digital-to-Analog Converter), used to translate serial audio data from the CD drive to analog signals which are then mixed with the YM3016's output.
The Sanyo LC78815 chip is a CDDA DAC (Digital-to-Analog Converter), used to translate serial audio data from the CD drive to analog signals which are then mixed with the YM3016's output.