Before you entering TCL LCD TV factory mode to change any value on the factory service mode, please write down all the original factory settings. tvservicemenu are not responsibility for any damage, data error and unwanted effect after using our service code and information on these page.
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How to enter TCL LCD factory mode ?....
Set the TCL LCD (Liquid Crystal Display) television volume to 0 using your tv remote or universal remote control
Press mute buton to display sound mute on the television screen
Enter the pasword key (9,7,3,5) or (3,1,7,5) in 5 seconds
Factory mode will open on the screen
Use the program up or down to select the parameters and volume up or down to change the value.
Save and exit press menu and turn off the television using power button.