Yamaha qy20 qy-20 music sequencer complete service manual

This is a comprehensive service manual designed for both professional mechanics and DIY enthusiasts. It contains specifications, parts list, exploded views, circuit board diagrams, and more. The manual provides detailed instructions for modifying, circuit bending, repairing, and restoring Yamaha products. It also includes access to the secret test mode in most products.

The manual covers a wide range of topics including specifications, panel layout, circuit board layout, block diagram, disassembly procedure, LSI pin description, IC block diagram, circuit boards, inspection, MIDI implementation chart, overall circuit diagram, and parts list.

It is an official service and repair manual in PDF format, ensuring high-resolution quality for printing. Instant access is available after payment, eliminating shipping delays. The manual is compatible with Windows, MAC, Linux, and other platforms.

If you require a service manual for another Yamaha product, feel free to inquire. Trust years of 100% quality and excellent customer service.