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Onkyo TX‑SR309 AV Receiver User Manual
This manual provides safety precautions, installation guidance, and detailed operating instructions for the Onkyo TX‑SR309 AV receiver. It covers power connection, HDMI and audio/video inputs, speaker configuration, remote control usage, and advanced features such as Music Optimizer and listening modes.
The document also includes a troubleshooting appendix, specifications, and regulatory information. Users are advised to read all safety warnings before first use and to follow the recommended ventilation and power requirements. This manual is written in Chinese.
Onkyo TX‑SR309 specifications
| Power per channel (IEC) | 100 W @ 6 Ω |
|---|---|
| Power per channel (JEITA) | 120 W @ 6 Ω |
| HDMI inputs / outputs | 3 HDMI inputs, 1 HDMI output |
All Onkyo TX‑SR309 documents by type
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 before first powering the unit?
Select the voltage matching your region: AC 230 V 50 Hz or AC 120 V 60 Hz as indicated on the rear panel.
How many HDMI inputs does the receiver have?
The receiver provides three HDMI inputs and one HDMI output.
How should I connect or disconnect the power cord?
Before any service, unplug the power cord from the AC outlet and avoid removing the device’s cover yourself.