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General| Polyphony | 16 voices |
|---|---|
| Sound Engine | Digital Sampling |
| Display | LCD |
| Type | Sampling Keyboard |
| Sampling Rate | 30 kHz |
| Keybed | 61 keys |
| Memory | 256 KB (expandable to 768 KB) |
| Outputs | Stereo audio outputs, headphone output |
| MIDI | In, Out, Thru |
| Storage | 3.5" Floppy Disk Drive (720 KB) |
Overview of S-50's main components and system structure.
Details on the S-50's main CPU and its controlled functions.
Explanation of how sound waveform data is stored in DRAM.
Description of the S-50's software, including initial setup and program flow.
Description of the multiplexer and sample-and-hold circuits used for voice output.
Explanation of the data transfer process for reading and writing to the floppy disk drive.
Details on the VDP's text display mode and character rendering.
Explanation of the VDP's bit map mode for pixel-by-pixel graphics display.
Pin assignment and functions for the external controller interface.
Details on fuse value changes for specific S-50 versions.
Description of modifications made to the CPU board for improved performance.
Information on component value changes implemented on the Jack board.
Procedure for adjusting the DC voltage levels on the S-50.
Method for setting the DC offset for audio signals.
Mapping between circuit references and specific module part numbers.
List of MIDI messages transmitted by the S-50.
List of MIDI messages the S-50 can receive and interpret.
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