Duka la Vinanda. - Kinanda: Yamaha PSR 280 ¶Used keyboard in very good condition ¶61 keys keyboard ¶Recording Function ¶Transpose ¶200+ Voices 150+ beats ¶Connections :- ¬Sustain port ¬Audio output ¬Mid in
User manual Yamaha PSR-280 (English - 40 pages)
Amazon.com: AC Adapter For Yamaha Digital Keyboard PSR-273 PSR-280 Charger Power Supply Cord : Musical Instruments
How to Fix a Dead Key on a Yamaha PSR-280 Piano Keyboard - iFixit Repair Guide