Sony STR-DA3400ES Operating Instructions
![Sony STR-DA3400ES manual cover](/images/dd6b52d0ab3f9367f17840d0/thumbs/thumb175x175.webp)
To perform a factory reset on the Sony STR-DA3400ES, turn off the receiver. Then, press and hold the "Power" button while simultaneously pressing and holding the "Input Mode" button until "FACTORY" appears on the display. Release both buttons to reset the receiver.
To update the firmware on the Sony STR-DA3400ES, download the latest firmware from the Sony support website to a USB drive. Insert the USB drive into the receiver's USB port, and follow the on-screen instructions to complete the update. Ensure the receiver remains powered on during the update process.
The Sony STR-DA3400ES does not have built-in Bluetooth capability. You can connect a Bluetooth adapter to one of the available audio inputs to enable Bluetooth connectivity.
First, ensure that all speaker wires are correctly connected. Check the receiver settings to confirm that the correct input source is selected. Verify that the mute function is not activated and that the volume is turned up. If the issue persists, try performing a factory reset.
The Sony STR-DA3400ES does not natively support mobile app control. However, you may use a universal remote app with a compatible IR blaster to control the receiver.
To configure multi-zone audio, connect speakers to the Zone 2 or Zone 3 speaker terminals. Use the on-screen menu to assign inputs and adjust settings for each zone. Ensure that the zones are powered on from the receiver's front panel or remote control.
The Sony STR-DA3400ES HDMI inputs support standard video formats up to 1080p. It is compatible with most HD video sources, including Blu-ray players and gaming consoles, but does not support 4K video.
For HDMI issues, first check that all cables are securely connected. Try using different HDMI cables or ports on the receiver. Ensure that the connected device's output resolution is supported by the receiver. If problems persist, reset the HDMI settings in the receiver's menu.
Connect the appropriate speakers to the receiver's speaker terminals. Use the microphone included with the receiver to perform auto-calibration via the receiver's menu. Manually adjust speaker levels and distances if necessary, and select a surround sound mode using the remote control.
Regular maintenance for the Sony STR-DA3400ES includes dusting the exterior and ensuring that ventilation openings are not obstructed. Periodically check and tighten any loose cables. Make sure the firmware is up to date and inspect speaker connections for wear or damage.