Yamaha V50 FM Synthesizer destined for the scrapyard
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Yamaha PSR-S950 / PSR-S750 Video de presentación
25:35
MF#36 Vintage analog Synthesizer 1981 E&MM Spectrum Repair
7:44
Yamaha V50: Under the Radar Review
4:13
YAMAHA V50 restore
5:24
Restoration YAMAHA SY77 ALL Fixed/repair and Restore LCD Floppy Emulator(EZAS/synth repair
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ＹＡＭＡＨＡ Ｖ50 打ち込み GETWILD ＴＭ
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Keyboard repair key fix roland juno dead keys
26:36