This comprehensive service manual provides detailed technical information for the Yamaha RX-V496/RX-V496RDS and HTR-5240/HTR-5240RDS home theater receivers. It includes circuit diagrams, component specifications, troubleshooting guides, and repair procedures to assist technicians in diagnosing and repairing these receivers. The manual offers step-by-step instructions and diagrams to ensure efficient and accurate repairs. Whether you are a professional technician or an experienced DIY enthusiast, this service manual is a valuable resource for maintaining and repairing your Yamaha home theater receivers.