Sony MZ-S1 - Troubleshooting; Troubleshooting Recorder Not Working;Poorly; Troubleshooting Power and Connection Issues

54
MZ-S1
Pin No.
Pin Name
I/O Description
246 EVA I
EVA/FLASH chip discrimination input terminal “L”: FLASH chip, “H”: EVA chip
(fixed at “L” in this set)
247 FLASHVDD
—
Power supply terminal (for the built-in flash memory) (+2.4V)
248 FLASHVSS
—
Ground terminal (for the built-in flash memory)
249 to
256
NC
—
Not used