This comprehensive service manual provides detailed technical information for the Yamaha RX-V2500 DSP-AX2500 home theater receiver. It covers all years of production and includes a wealth of information to assist technicians with repairs and maintenance. The manual features detailed diagrams of the front and rear panels, remote control, internal view, and specifications. It outlines step-by-step disassembly procedures, instructions for updating firmware, and a self-diagnosis function (DIAG) for troubleshooting. The manual also includes information on amp adjustment, display data, and IC data, offering a complete understanding of the receiver's internal workings.