This dates from 1988, all keys work. Has midi in and out, 3 pedals.
Be aware this weighs a lot (86kg assembled) and will need 2 people to move.
Have repaired one of the subwoofers, and a key that wasn't working when I was given it.
Specs:
88 weighted keys
Sustain, damper and sostuento pedals
Line in 1/4" sockets
Line out 1/4" sockets
MIDI IN and OUT
Music stand
Speakers: Extensive system with 4x 9x5cm & 2x 5cm speakers (main unit) plus 2x 20cm & 2x 5cm speakers (stand).
Maximum Polyphony: 16 voices (10 for specific instruments)Preset Voices: Piano (1-3), Harpsichord, Clavi, Vibraphone, Electric Piano (1-2)Effects: Chorus, Tremolo (with rate control), and Reverb (Room, Stage, Hall).

Roland digital piano hp5000s (Fulledge BB10)