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Original Yamaha Service Manual for the AVS-10 AWM Voice Expander Sound Module.

This is an original Yamaha service manual for the AVS10 AWM midi voice expander module in very good condition. This module is used to add sounds when used with Electone Organs, and any other keyboard with MIDI. This service manual will help you repair, fix, test your AVS unit. From 1989.

Great service manual, thank you for looking!

>>> 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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