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Original Service Manual for the Roland / Boss TU-120 Chromatic Tuner, 1982.

This is an original Roland / Boss service manual for the vintage TU-120 Chromatic tuner unit. It is an original service manual, in English, in very good condition, and it's complete. With parts list, several circuit board diagrams, and more. Total of 4 pages of info. This service manual can help you repair one of these great made in Japan tuners, which are still very popular today.

Original document printed in Japan, from 1982.

This is a manual or document, this is NOT a piece of equipment or instrument. If you have any questions, I'm always happy to answer them.

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