This manual is the user manual of Onkyo AV Receiver TX-SR803TX-SR703, which introduces the features and usage methods of the product
This manual provides safety warnings, installation steps and basic operation instructions for the Onkyo TX‑SR803 and TX‑SR703 AV receivers. It explains how to connect antennas, speakers, HDMI devices and other audio‑video sources, and describes the front‑panel controls and remote functions.
The document also lists the technical specifications of each model, such as channel count, power output, HDMI connectivity and supported audio formats, and includes a troubleshooting section for common issues. This manual is written in Japanese.
| Power Output (TX‑SR803) | 105 W |
|---|---|
| Power Output (TX‑SR703) | 100 W |
| HDMI Inputs | 2 |
| HDMI Output | 1 |
| Frequency Response | 20 Hz – 20 kHz |
The TX‑SR803 delivers 105 W of output power.
It provides two HDMI inputs.
Check the local voltage requirements, keep the unit away from water, and read all warning labels before connecting power.