Onkyo TX-SR604 TX-SR674 AV amplifier user manual, introduces the product's functions, features, usage methods, precautions and other information
This manual introduces the Onkyo TX‑SR604 and TX‑SR674 AV amplifiers, outlines important safety precautions and the accessories supplied with the units. It explains how to install the amplifier, connect antennas, speakers, video sources and other Onkyo components.
The guide details the operation of the front‑panel controls, remote functions, audio‑visual settings, HDMI and digital inputs, as well as advanced features such as Audyssey auto‑calibration, Pure Audio mode and zone‑2 operation. A troubleshooting section helps resolve common issues like no sound, language selection and lock‑up conditions.
| Channels | 7‑channel |
|---|---|
| Digital‑to‑Analog Converter | 24‑bit / 192 kHz |
| HDMI | 2 inputs, 1 output (1.1) |
| Digital Audio Inputs | 6 (4 optical, 2 coaxial) |
Do not expose the unit to rain or a wet environment, keep the power cord away from water, and use the supplied power‑plug adapter that matches your local outlet.
Select the “a.Multiplex” (Multi‑language) setting in the Audio Adjust menu and choose either “Main” or “Sub” to change the language.
The auto‑calibration failed because the surrounding noise level is too high; reduce ambient noise and run the setup again.