Onkyo TX SR803, 803E, TX SR703 Instruction Manual
![Onkyo TX SR803, 803E, TX SR703 manual cover](/images/5796ca9f2665487bd36b6734/thumbs/thumb175x175.webp)
To reset the Onkyo TX-SR803 to factory settings, press and hold the VCR/DVD button while pressing the On/Standby button. Hold both buttons until the display reads "Clear," indicating that the unit has been reset.
First, ensure that all speaker connections are secure. Check that the correct input source is selected and the volume is turned up. Also, verify that mute is not enabled. If the issue persists, try resetting the receiver.
The Onkyo TX-SR803 does not have built-in Bluetooth. To connect a Bluetooth device, use an external Bluetooth adapter connected to one of the available audio inputs.
Unplug the receiver before cleaning. Use a soft, dry cloth to wipe the exterior. Avoid using any liquid cleaners or solvents as they may damage the surface.
The Onkyo TX-SR803 does not support firmware updates via a network or USB. If a firmware update is needed, contact Onkyo support for guidance.
Ensure the receiver is well-ventilated and not enclosed in a tight space. Clean any dust from the vents and ensure that the fan is functioning properly. Avoid placing other heat-generating devices nearby.
Use an RCA cable to connect the subwoofer's input to the subwoofer pre-out jack on the rear panel of the Onkyo TX-SR803. Adjust the subwoofer settings in the receiver's speaker setup menu.
The "Protect" error indicates a potential short circuit or overload. Turn off the receiver and check all speaker wires for shorts. Ensure no wires are touching each other or the receiver's chassis. After correcting any issues, power the receiver back on.
Connect your speakers to the appropriate terminals. Use the on-screen setup menu to configure speaker settings, including size, distance, and level calibration, ensuring all speakers are properly configured for surround sound.
Yes, the Onkyo TX-SR803 can be controlled with a universal remote. Refer to the universal remote's manual for programming codes specific to Onkyo receivers, or use the remote's learning function if available.