Sony STR-DA90ESG Operating Instructions
![Sony STR-DA90ESG manual cover](/images/2b5177d561c690ad0eb35148/thumbs/thumb175x175.webp)
To perform a factory reset, turn off the receiver and then press and hold the "Power" button along with the "Surround" button until "Initialize" appears on the display. Release the buttons to complete the reset.
First, ensure that all speaker connections are secure and the correct input is selected. Check that the mute function is not activated and the volume is turned up. If the issue persists, try performing a factory reset.
Unfortunately, the Sony STR-DA90ESG does not support Bluetooth connectivity directly. You will need to use an external Bluetooth receiver connected to one of the auxiliary inputs.
Regularly dust the exterior with a soft, dry cloth. Ensure that ventilation openings are not blocked. Avoid using chemical cleaners. Check and tighten all cable connections periodically to ensure optimal performance.
If the remote is not working, first replace the batteries. Ensure there are no obstructions between the remote and the receiver. If problems persist, try resetting the remote by removing the batteries and pressing all buttons.
Yes, you can connect your receiver to a modern TV using RCA or component video outputs. For audio, use RCA or optical digital connections depending on the available inputs on your TV.
Use the "Tone Control" button on the remote or the front panel to select either bass or treble adjustment. Then, use the "Up" or "Down" buttons to adjust the levels to your preference.
Ensure that the receiver is in a well-ventilated area and that vents are not obstructed. Avoid stacking other electronic devices on top. If overheating persists, consult a technician to check for internal issues.
Connect the speakers to their respective terminals on the receiver. Use the on-screen setup menu to configure speaker size, distance, and levels. Follow the manual for specific surround modes and calibration steps.
The Sony STR-DA90ESG does not support firmware updates via USB or network. Ensure all connections and settings are optimal for the best performance.