Found another old time beast! This is the Yamaha Dsr-2000: fm monster with a ton of functions, pitch and mod wheel, voice data screen for patch adjustments, and even the option of
Synthétiseur Yamaha DSR-2000 occasion
Yamaha - DSR-1000 - Synthétiseur FM - Catawiki
Yamaha DSR-1000 Keyboard (1987) | Wolf Review
Yamaha DSR-2000 61-Key MIDI Digital FM + PCM Drums Keyboard Synthesizer | Reverb
Yamaha DSR-1000 Keyboard (1987) | Wolf Review
Vintage Polyphonic FM Synthesizer - Yamaha DSR-1000 (1987) - Catawiki
Adaptateur Secteur Alimentation Chargeur 12V pour Remplacement Clavier Yamaha DSR-1000 puissance du câble d'alimentation : Amazon.fr: Instruments de musique et Sono