Yamaha Portatone PSR-4000 keyboard, with owners manual, spare floppy cards and carry-case *Please note: Gardiner Houlgate do not guarantee the full working order of any electrical items. Do not assume that this
Yamaha PSR-4000 Disassembly and Repair Pictures
Yamaha PSR-4000 61 note arranger synthesizer keyboard with stand, sustain & power | Reverb
Yamaha PSR-4000 61 note arranger synthesizer keyboard with stand, sustain & power | Reverb