First of all, thank you for posting your question here at Fixya.
Your TV has a built in self diagnostic software
that can help us diagnose accurately where the fault came from once the unit gone to malfunction. To activate it, press the following buttons on the remote control within a second on each other in standby mode
( red LED is on), "Display
", "Volume (+)
". Initial screen will be displays as follows :
To display the self diagnostic list, press
on the remote control.
The screen will display the list of error log as follows :
Numerical value "0" means that there's no error detected, "1" means that an error was detected.
Please let me know what error code(s) with numerical value "1" to continue our diagnosis.