Reinard Synth#16 Roland XP50 No Audio... Dead DAC?
16:59
Reinard Synth#12 Roland D50 Repair: sound only at key release?
34:39
Roland JP-8000 Repair No / Low Audio Output
10:03
The Roland XP-50 shows us that we haven't come all that far in 30 years
13:51
Roland XP50 Test Mode / Factory Reset / Press and Hold RPS + M.Scope + Rythm / Subscribe my Channel
11:27
ReinardSynth#21 Kurzweil PC361: El Cheapo Caps and bad connectors
46:05
Roland XP-50 Repair and Restoration
15:19
Roland XP50 - Bank C Voices - Cinematic, Dark, Obscure and Special Effects
15:40