Maybe can help you!

How to Screen Mirror Sony Xperia Z to Show the Screen on a TV

The Screen Mirroring will allow you to show the Lcd of your device on a TV or other large display without using a cable connections. It uses the Wi-Fi Direct technology that create a wireless connection between two devices. You can also use this feature to listen to music from your phone via the TVs speakers.

How to mirror the Lcd of your phone on a TV:

1. First you need to turn on the Lcd mirroring function on your TV. Just follow the instructions in the User Guide of your TV.
2. From your Home Lcd, tap on the Menu icon
3. Select on Settings, and tap Xperia™.
4. Choose Screen mirroring.
5. Tap to turn on the Screen mirroring and select a device.

Note: The TV that you want to connect with must support Lcd mirroring for the above described functionality to work. If it does not support, then you can try the Throw feature. Go to Settings > Throw feature.