Spares Repairs - Powers on when you insert batteries. But all you get is a hiss from the speakers. The keys don't make a sound and the switches/buttons do not respond.
Casio PT-1 29 Key Vintage Electronic Mini Keyboard
Casio PT-20 Vintage Electronic Keyboard - Not Working
Casio PT-1 Black 29 Key Vintage Electronic Mini Keyboard, Musical Instrument
Casio PT-80 Vintage Electronic Keyboard with ROM Pack RP-551 - No Cord
Casio MA-120 Electronic Keyboard Sound Tone Bank Vintage Retro *see description*
Casio PT-80 Vintage Electronic Keyboard