Samsung Galaxy A13 Backlight Problem

Samsung Galaxy A13 without backlight often has symptoms such as LCD screen not showing, LCD screen is white. Or there is no light produced by the LCD but the ringing and notification sounds can still be heard.

If your Samsung Galaxy A13 phone is experiencing one of the symptoms as described above. There are several repair steps you can take to fix the damage.

1. Screen replacement

The first thing to do if you encounter such damage is to try replacing the LCD unit with a new one in good condition. This can be applied if your phone has broken or cracked screen due to a certain drop. By trying to get a new Samsung Galaxy A13 screen replacement, hopefully this damage problem can be resolved.

2. Check the line and connect the monitor

Samsung Galaxy A13 backlight damage caused by liquid entering the phone, damaging the transmission line and display socket on the motherboard. So to fix it, you should remove all parts of the phone to check. Normally, water will corrode and rust on the line, connect and impact the fault line. Therefore, for the repair steps to immediately clean up corrosion and rust, if there is a broken path, immediately repair it with the line method.

3. Check and replace internal components

If the condition of the LCD screen and transmission is good but suddenly there is damage to the backlight on your phone, there could be a problem with the internal components. The schematic image VietNamGSM provided can be your guide in trying to troubleshoot the backlight.

Samsung Galaxy A13 Backlight Problem

Measure on each component, if there is a defective component, immediately replace it with a component of the same type and value. Try to check the diode components as well as the coil marked on the schematic image. Often the component fails and leads to the appearance of a backlight display.