CS Audio on ebay put up some cool service manuals and a ton of audio parts. https://www.ebay.com/itm/364850806481?
Great find Psifi! I found this photo over on X (aoba ひょうご), the slightly rare Fujino which seems to have other AKA's.
We did it! New Stereo Microcassettes are being released from up and coming band Hofuku Sochi! Unfortunately it's only seven copies.......... https://stachy.bandcamp.com/album/the-days-we-vaporized-the-wave-pt-1-2
Found over on X, the SME 703 seems to be one of the only duplication machines for stereo microcassette. teckheck.bsky.social