Sony KDL-40EX720 v2 Operating Instructions
![Sony KDL-40EX720 manual cover](/images/7d8e476295bb3015ebdbe0fb/thumbs/thumb175x175.webp)
To connect your Sony KDL-40EX720 to a Wi-Fi network, press the Home button on your remote, navigate to Settings, select Network, then Network Setup, and choose Wireless Setup. Follow the on-screen instructions to select your Wi-Fi network and enter the password.
If your Sony KDL-40EX720 is not turning on, check if the power cord is properly connected to the TV and the wall outlet. Ensure the outlet is working by plugging in another device. If the standby indicator is on, try pressing the power button on both the remote and the TV.
To update the firmware on your Sony KDL-40EX720, press the Home button, go to Settings, select Support, and then Software Update. Choose Network to update via the internet or USB to update using a USB flash drive with the firmware downloaded from the Sony support website.
If there's no sound from your Sony KDL-40EX720, check if the TV is muted or the volume is too low. Ensure external speakers or sound systems are properly connected. Verify the audio output settings in the TV's menu are correct for your setup.
To perform a factory reset, press the Home button, go to Settings, select System Settings, choose Customer Support, and then Factory Settings. Confirm your choice to reset the TV to its original settings.
If the picture is distorted, check the connection cables to ensure they are secure and undamaged. Adjust the picture settings in the TV menu, and try a different input source or device to determine if the issue is with the TV or a connected device.
To connect external devices, use the appropriate HDMI, component, or composite cables. Insert them into the corresponding ports on the TV and the device. Switch the TV input to the correct source using the Input button on the remote.
To adjust picture settings, press the Home button, go to Settings, and select Picture & Display. From here, you can adjust options like brightness, contrast, color, and more to suit your preferences.
If your TV keeps disconnecting from Wi-Fi, ensure the router is within range and there are no obstructions. Check for firmware updates for both the TV and router. You might also try resetting network settings and reconnecting to the Wi-Fi network.
To enable parental controls, press the Home button, go to Settings, select System Settings, and then Parental Lock (Broadcast). Set a PIN code and choose the restrictions you wish to apply.