What should I do if the TV flashes when it turns on? TV black screen maintenance method
The TV turns on and turns on a black screen. It is a common TV failure phenomenon that will seriously affect the user’s experience. When encountering this situation, don’t panic. You can follow the following steps for simple troubleshooting and troubleshooting.
1.check the power
Verify that the TV’s power cord is securely connected to the outlet.
Check whether the socket is powered, and you can try plugging other appliances into the same socket for testing.
Make sure that the power switch for the TV is turned on.
If you are using an extension cord, try connecting the TV directly to a wall outlet.
2.Check video input
Verify that the video cable is securely connected to the appropriate ports on the TV and signal source (such as set-top box, game console, etc.).
Try using another video cable to connect.
Switch the video input source for the TV, such as switching toHDMI、AVWait.
If you are using a smart TV, try switching to other sources, such as online video, live broadcast, etc.
3.Reset the TV
Unplug the power cord from the TV and wait30Plug it back in seconds.
Find the reset button on the TV and hold it for a few seconds. Refer to the TV manual for specific operating methods.
4.Check the inside of the TV
If none of the above methods can solve the problem, there may be a fault inside the TV. It is recommended to contact professional maintenance personnel for maintenance.
The following are some common reasons and maintenance methods why a TV will turn on and turn on a black screen:
Backlight failure: The backlight is the light source used by the TV to display images. If the backlight fails, it will cause the TV to flash once it is turned on, and it will turn on a black screen. Maintenance method: Replace the backlight.
Motherboard failure: The motherboard is the control center of the TV. If the motherboard fails, it will also cause the TV to turn on and turn on a black screen. Maintenance method: Replace the motherboard.
Power board failure: The power board provides power to the TV. If the power board fails, it will also cause the TV to turn on and turn on a black screen. Maintenance method: Replace the power board.
Other faults: It may also be a fault in other parts of the TV, such as the display screen, high-voltage board, etc.