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LC89640 (Sanyo)

A playback-only(?) Sanyo ATRAC IC, released alongside the LA9605W amplifier. Potentially able to record as well, as this page claims.

Press Release (Translated)

PageDevice typeRelease date
Sanyo MD-U4boombox1999/04
MiniDisc Wiki retro view - mirrored on 2026-09-04