ONKYO TX-SR876 and TX-SA876 AV Receiver Service Manual

This document serves as the official service manual for the ONKYO TX-SR876 and TX-SA876 AV Receivers. It is an essential resource for technicians and authorized service personnel, offering in-depth technical information required for the proper maintenance, troubleshooting, and repair of these sophisticated audio-visual components.

Key sections within this manual include:

• Detailed exploded views for component identification and assembly.
• Comprehensive block diagrams illustrating the functional architecture of the AV receivers.
• Precise schematic diagrams for circuit analysis and fault diagnosis.
• Critical safety-related component warnings and guidelines to ensure safe servicing practices.

ONKYO emphasizes the importance of replacing identified critical components with genuine ONKYO parts to maintain product integrity and safety standards. Leakage-current and resistance measurements are recommended for exposed parts to ensure proper insulation from the supply circuit before returning the appliance to the customer.