Be sure to add me to your favorites list Original Service Notes Manual for the Boss PD-1 Rocker Distortion Foot Pedal, Original Roland / Boss Service Notes Manual, from 1979. This is a vintage Roland / Boss service manual for the Boss PD1 Rocker Distortion Effects Pedal in remarkable condition. It was clearly stored away for many years as it's in very good condition for it's age, and it will be very helpful for working on your PD-1 pedal. There are some minor marks and creases but nothing that interferes with the information in it. These service notes are 4 pages (2 pages, front and back). Original Roland / Boss document, printed in Japan, from 1979. 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. Thanks for looking! Check out my Store!