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TS-6BGA: PCM sound board graphics accelerator

It is a graphics accelerator & PCM sound board for X68000 manufactured by Ninety-nine Electric Ltd (九十九電機(株)). The board has 2MB VRAM which allows X68000 to display Truecolor and it can play PCM sound in 48/44.1/32/24/22.05KHz mono or stereo. This board was manufactured to expand the graphics display capabilities and to provide CD-quality sound playback.

The connectors

RGB OUTConnect to the monitor
RGB INConnect to the RGB output which comes from X68000
PCM sound source LINEOUTPCM sound output. Connect to amplifier, etc..