This manual introduces the basic operation of Onkyo TX-SR503 AV receiver, including connection, power on and initial setup, basic operation, audio and video device playback, tuner usage, listening mode enjoyment, advanced operation, etc.
This manual guides owners through safe installation and initial setup of the Onkyo TX‑SR503/TX‑SR8350 AV receiver. It includes important safety warnings, power‑on procedures, and maintenance tips to ensure reliable performance.
The guide details the front‑ and rear‑panel controls, input and output connections, remote‑control functions, and various listening modes such as Dolby, DTS, and Pure Audio. It also covers advanced settings, recording features, and troubleshooting common issues.
| Power Output | 75 W per channel |
|---|---|
| Channels | 7‑channel amplifier |
| HDTV Video Outputs | 3 video inputs, 1 output |
| Digital Audio Inputs | 3 optical and 3 coaxial inputs |
| Remote Control Batteries | 2 × AA (R6) |
Read the safety instructions and the manual carefully before connecting power.
The remote uses two AA (R6) batteries.