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VINTAGE ROLAND GP-16 DIGITAL GUITAR EFFECTS PROCESSOR SERVICE NOTES 1ST EDITION

VINTAGE ROLAND SDE-1000/3000 SERVICE NOTES FIRST EDITION

VINTAGE ROLAND FC-100MK/RMC-1 SERVICE NOTES FIRST EDITION

VINTAGE ROLAND SYNTHESIZER SH-1000 SERVICE NOTES 6TH EDITION COPY

VINTAGE ROLAND SYNTHESIZER SH-2000 SERVICE MANUAL/NOTES (COPY)

VINTAGE ROLAND SYNTHESIZER SH-1000 6TH EDITION SERVICE MANUAL/NOTES (COPY)