What should we do if the LCD screen doesn't light up? When analyzing this phenomenon, it is important to know the reason why the LCD screen does not light up.
Mar 30th,20201476 Views
What should we do if the LCD screen doesn't light up? When analyzing this phenomenon, it is important to know the reason why the LCD screen does not light up.
1. The LCD backlight is not lit.
2. There are errors in the initialization program of the software.
Now, XIANHENG will tell you how to solve the problem of not lighting up the LCD screen?
1. Check the backlight to see if the lamp is burnt out by high current and whether the resistance is pseudo-welded.
2. The power supply must meet the most basic requirements of the lcd module, otherwise the lcd module will be burnt out if the voltage is too high.
