This comprehensive service manual provides detailed technical information for the Yamaha RX-V495, RX495, HTR-5140, and HTR5140 receivers. The manual covers all years of production and offers in-depth coverage of troubleshooting, repair procedures, and component diagrams. It is an essential resource for technicians and individuals seeking to understand and maintain these Yamaha receivers. The manual includes detailed information on the receiver's internal components, circuit diagrams, and troubleshooting steps for common issues. It provides step-by-step instructions on disassembling, repairing, and reassembling the receiver, along with detailed descriptions of every part and function.