All manuals for the Yamaha CS-80 Synthesizer (and its family members)

Owners/Instruction Manuals

CS80 Owners' Manual - Part 1 Part 2 Part 3

Service Manuals

CS80 Service Manual
CS80 Tuning and Adjustment Procedures and Yamaha Service Bulletins
CS80 Parts List
CS70M
- Block Diagram
- Servicing Guide - Part 1 Part 2
CS60 Service Manual
CS50
- Block Diagram
- Overall Circuit Diagram
- Servicing Guide - Part 1 Part 2
CS40
- Overall Circuit Diagram
SY-1 Service Manual

Lots of pictures of David's CS-80 overhaul

Lots of pictures of installation of Kenton MIDI kit

Great Links

2008 David Rogoff - email:david@therogoffs.com