This manual pertains to the Yamaha RX-770 stereo receiver, a component designed for high-fidelity audio reproduction. Engineered with precision, this unit delivers 80W per channel at 8 ohms (RMS) and boasts a wide frequency response of 20Hz - 20kHz, ensuring a rich and detailed listening experience. Its low total harmonic distortion of 0.003% and a signal-to-noise ratio of 98 dB (Line) underscore its commitment to audio purity. The RX-770 offers versatile connectivity, including phono, CD, tuner, AUX, and tape inputs, along with tape and pre-outputs, making it a central hub for various audio sources.

The purpose of this English Service Manual is to provide comprehensive guidance for the maintenance, repair, and understanding of the Yamaha RX-770. It covers essential technical specifications, including detailed audio features, power supply requirements, and connectivity options. This document serves as an indispensable resource for owners, technicians, and enthusiasts seeking to ensure the optimal performance and longevity of their RX-770 unit. By detailing operational parameters and potential service procedures, this manual aims to facilitate effective upkeep and troubleshooting.

This manual pertains to the Yamaha RX-770 stereo receiver, a component designed for high-fidelity audio reproduction. Engineered with precision, this unit delivers 80W per channel at 8 ohms (RMS) and boasts a wide frequency response of 20Hz - 20kHz, ensuring a rich and detailed listening experience. Its low total harmonic distortion of 0.003% and a signal-to-noise ratio of 98 dB (Line) underscore its commitment to audio purity. The RX-770 offers versatile connectivity, including phono, CD, tuner, AUX, and tape inputs, along with tape and pre-outputs, making it a central hub for various audio sources.

The purpose of this English Service Manual is to provide comprehensive guidance for the maintenance, repair, and understanding of the Yamaha RX-770. It covers essential technical specifications, including detailed audio features, power supply requirements, and connectivity options. This document serves as an indispensable resource for owners, technicians, and enthusiasts seeking to ensure the optimal performance and longevity of their RX-770 unit. By detailing operational parameters and potential service procedures, this manual aims to facilitate effective upkeep and troubleshooting.