Performing a channel scan on a TCL Google TV involves accessing the TV's settings menu and using the built-in channel scan feature. Here's a step-by-step guide:

Step-by-Step Guide to Perform a Channel Scan on a TCL Google TV

Turn on Your TV

• Ensure your TV is turned on and connected to an antenna or cable input.

Open the Settings Menu

• From the Home screen, navigate to the top right corner and select the Settings icon (a gear-shaped symbol).

Access the TV Settings

• Scroll down and select Channels and Inputs. 

Select Channels

• In the Channels and Inputs.  menu, find and select Channels.

Start the Channel Scan

• Choose Channel scan.
• Select to scan automatically or manually (for a simpler experience it's recommended that you select Automatically).
• Under Tuner mode select Antenna or Cable, and under Channel type select Digital.
• The TV will start scanning for available channels. This process may take a few minutes.

Wait for the Scan to Complete

• The TV will automatically detect and store all available channels. You will see a progress bar indicating the scan's progress.

Save the Channels

• Once the scan is complete, the TV will save the channels found. You can now access these channels through the TV's channel list.

Exit the Settings Menu

• Press the Home button to exit the settings menu and return to the Home screen.

Troubleshooting Tips

• Ensure Proper Antenna Connection: Make sure your antenna or cable input is securely connected to the TV.
• Check Signal Strength: If the TV isn’t finding any channels, try adjusting your antenna for better signal reception.
• Repeat the Scan: If the initial scan doesn’t find all available channels, try performing the scan again.
• Firmware Update: Ensure your TV’s firmware is up to date. Sometimes updates include improvements to the channel scanning process.

By following these steps, you should be able to perform a channel scan on your TCL Google TV and enjoy your available over-the-air or cable channels.