Publisher: Supplier of LED Display Time: 2016-12-23 Views: 2195
The LED display has many problems after a long time. The LED display often has incomplete display, such as half of the display or incomplete display. How to solve this situation? The following is LCF technical answer:
According to past experience, the main reasons for the incomplete display of LED display are as follows:
1. Half of the LED display does not display
There are many possibilities. It may be that the power supply is not powered or the control card is damaged. Check the power supply, and then use the control card software to check whether the control card is normal.
2. A single or a few LED modules do not display
Generally, the module cable is loose or has poor contact. For example, only the upper or lower half of the display is displayed. In such a case, it is generally better to move the cable or unplug it and plug it in again.
It is also possible that the 245 chip of the module is broken. As a result, the LED display module does not display. Also there is no power supply.
3. The display screen is blurry
Usually caused by insufficient power supply, it is recommended to replace the power supply.
If you want to repair it yourself, you must pay attention to the installation location and maintenance method of the LED display. If it is the front maintenance method, you can take down the modules one by one for maintenance. In the case of rear maintenance, the rear cover can be opened for maintenance. If you are not sure, please contact the after-sales technical assistance of the LED display manufacturer for maintenance.
In short, for the problem of incomplete word display on the LED display, you can first check the power supply and signal line problems. If it is confirmed that there is no problem, then check the LED module problems and conduct scientific investigations one by one.