Yamaha RX-A840 Installation Manual
![Yamaha RX-A840 Firmware manual cover](/images/PNKhdGCfcmdiNwQmCLkeVDxl/thumbs/thumb175x175.webp)
To update the firmware on your Yamaha RX-A840, navigate to the Setup menu on the receiver, select "Network Update," and follow the on-screen instructions. Ensure the receiver is connected to the internet for a successful update.
Check that the power cable is securely connected to both the receiver and the power outlet. Ensure the outlet is working by testing with another device. If the problem persists, try a different power cable.
To reset the Yamaha RX-A840, turn off the unit. Press and hold the "STRAIGHT" button while turning the power on. Continue holding until "ADVANCED SETUP" appears on the display, then select "INIT" and confirm with "OK."
Ensure the correct input source is selected and that the audio cables are properly connected. Check the speaker connections and the volume level. Also, verify that the mute function is not activated.
Press the "Setup" button on the remote, navigate to "Network," and select "Network Connection." Choose "Wireless" and follow the prompts to connect to your home Wi-Fi network.
Use the YPAO (Yamaha Parametric Acoustic Optimizer) feature by connecting the supplied microphone to the receiver and following the calibration instructions on the display to optimize audio performance.
Go to the "Setup" menu, select "HDMI Setup," and then enable "HDMI Control." Ensure CEC is enabled on all connected HDMI devices for seamless control.
Ensure the receiver is within range of your router and there are no obstructions. Try restarting your router and receiver. For a stable connection, consider using a wired Ethernet connection.
Enable Bluetooth on the receiver by selecting "Bluetooth" as the input source. Pair your Bluetooth device by selecting the RX-A840 from the device's Bluetooth menu and connect to start streaming.
Check the HDMI connections and ensure the cables are securely connected. Verify that the correct HDMI input is selected on the TV. Try using a different HDMI cable or port if the issue persists.