Discover the comprehensive Hohner IAV 160 and IAV 240 Schematics/Service Manual designed for musicians and technicians alike. This invaluable resource provides detailed schematics, service notes, and troubleshooting tips to ensure your instruments perform at their best. Whether you're performing maintenance or making repairs, the manual offers clear diagrams and step-by-step instructions. Ideal for both seasoned professionals and hobbyists, it helps you understand the inner workings of these iconic models. Keep your Hohner instruments in top shape with this essential guide!