Polyphonic
I think you are asking if the keyboard is polyphonic, which it is.
It has 61 keys, and yes, you can play chords and multiple keys at once.
For me, a person that has been repairing without schematics for most of my life, it is a slightly intriguing chance to see how these keyboards...
I'm working on a Yamaha YPT-300 electronic keyboard which I found. I completely disasembled the unit, cleaning everything (they keyboard assembly has been completely cleaned and remounted). I discovered that the b-flat and e-natural keys do not sound in any octave across the board.
The...