1. Black screen when outdoor advertising machine is running
Check whether the air conditioner of the outdoor LCD advertising machine is in working state and whether the internal temperature is too high. If the air conditioner is not cooling, the air conditioner needs to be replaced.
2. The remote control cannot be operated
Check whether the remote control of the outdoor highlight advertising machine is equipped with dry batteries, whether the remote control head is aligned with the remote sensing sensor, and whether the wire from the remote sensing sensor to the driver board is loose. If there is no problem with the above, it may be that the remote control is damaged or the driver board is damaged.
3. There is a signal on the display screen of the outdoor advertising machine, but the screen is not satisfied
Use the remote control to press "menu"-"seting"-"adjust" to semi-automatically adjust the portrait
4. The display screen has images and no sound
Check whether the video signal line of the advertising machine is connected correctly, whether there is an image display in the remote control operation, and whether the signal source is selected correctly. If there is no problem with the above, it may be that the driver board is broken.
5. The outdoor LCD advertising machine is not powered on (black screen)
It may be that the internal power supply is bad or the internal drive board of the device is bad. Troubleshooting method: Check whether the power output is normal. If the power supply does not output, it can be confirmed that the power supply is faulty; if the power supply output is normal, the driver board may be defective.
6. Huaping
When there is a certain area on the surface of the display screen that cannot always be displayed or the display screen is abnormal, it is called a blurry screen. Troubleshooting method: Check whether the signal transmission line inserted on the LCD screen is loose, resulting in poor contact. If so, plug in and secure the signal cable and check if the problem is solved. If this is not the case, it may be caused by a defective LCD screen.
7. Dark screen (no display on the screen, splash screen)
When an advertisement is being played, the LCD screen is always in a black screen, a dark screen, a splash screen, etc., which is called a dark screen. Troubleshooting method: Check whether the power output is normal. If the output voltage of the power supply is unstable and does not reach 11V-12V, it can be confirmed that the power supply is faulty. If the power output is not normal, you need to replace the drive board and inverter one by one until the fault is eliminated.
8. No signal
When the power is turned on, the words such as no signal appear on the screen, which is called no signal. Troubleshooting method: Check whether the internal video cable and the 5V power cable input to the decoder board are loose, if not, please replace the decoder board or driver board, and then check whether the fault disappears.
1. Black screen when outdoor advertising machine is running
Check whether the air conditioner of the outdoor LCD advertising machine is in working state and whether the internal temperature is too high. If the air conditioner is not cooling, the air conditioner needs to be replaced.
2. The remote control cannot be operated
Check whether the remote control of the outdoor highlight advertising machine is equipped with dry batteries, whether the remote control head is aligned with the remote sensing sensor, and whether the wire from the remote sensing sensor to the driver board is loose. If there is no problem with the above, it may be that the remote control is damaged or the driver board is damaged.
3. There is a signal on the display screen of the outdoor advertising machine, but the screen is not satisfied
Use the remote control to press "menu"-"seting"-"adjust" to semi-automatically adjust the portrait
4. The display screen has images and no sound
Check whether the video signal line of the advertising machine is connected correctly, whether there is an image display in the remote control operation, and whether the signal source is selected correctly. If there is no problem with the above, it may be that the driver board is broken.
5. The outdoor LCD advertising machine is not powered on (black screen)
It may be that the internal power supply is bad or the internal drive board of the device is bad. Troubleshooting method: Check whether the power output is normal. If the power supply does not output, it can be confirmed that the power supply is faulty; if the power supply output is normal, the driver board may be defective.
6. Huaping
When there is a certain area on the surface of the display screen that cannot always be displayed or the display screen is abnormal, it is called a blurry screen. Troubleshooting method: Check whether the signal transmission line inserted on the LCD screen is loose, resulting in poor contact. If so, plug in and secure the signal cable and check if the problem is solved. If this is not the case, it may be caused by a defective LCD screen.
7. Dark screen (no display on the screen, splash screen)
When an advertisement is being played, the LCD screen is always in a black screen, a dark screen, a splash screen, etc., which is called a dark screen. Troubleshooting method: Check whether the power output is normal. If the output voltage of the power supply is unstable and does not reach 11V-12V, it can be confirmed that the power supply is faulty. If the power output is not normal, you need to replace the drive board and inverter one by one until the fault is eliminated.
8. No signal
When the power is turned on, the words such as no signal appear on the screen, which is called no signal. Troubleshooting method: Check whether the internal video cable and the 5V power cable input to the decoder board are loose, if not, please replace the decoder board or driver board, and then check whether the fault disappears.
