Key facts
- Brand
- Onkyo
- Model
- TX-SR803
- Documents
- 2
- Languages
- EN · JA
- Last added
- 2000-01-01
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User ManualOnkyo TX-SR803 / TX-SR703 / TX-SR8370 User Manual
Onkyo TX-SR803 / TX-SR703 / TX-SR8370 User Manual
User Manual 92 pages · 5.2 MB · EN
This manual covers the Onkyo TX‑SR803, TX‑SR703 and TX‑SR8370 AV receivers. It explains safety warnings, power requirements, and how to install the unit safely.
The guide details speaker and antenna connections, HDMI and digital audio inputs, zone‑2 operation, basic and advanced listening modes, and troubleshooting tips.
Onkyo TX-SR803 specifications
| Power Output (per channel) | 105 W @ 8 Ω, 20 Hz‑20 kHz |
|---|---|
| HDMI Inputs | 2 |
| Speaker Channels | 7.1 surround |
| Digital Audio Inputs | 7 (5 optical, 2 coaxial) |
| Memory Backup | Battery‑free, retains settings during power loss |
All Onkyo TX-SR803 documents by type
User Manual 2
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What voltage should be selected for the power source?
Select the voltage that matches the back‑panel rating, either AC 230 V 50 Hz or AC 120 V 60 Hz.
How many HDMI inputs does the TX‑SR803 have?
The TX‑SR803 provides two HDMI inputs.
What is the power rating of the TX‑SR803?
The TX‑SR803 delivers 105 W of output power.
How many HDMI inputs does the TX‑SR803 have?
It provides two HDMI inputs.