Samsung Galaxy A02 A022F Backlight Problem

Samsung Galaxy A02 A022F Backlight Problem
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The problem of failure without backlight usually has symptoms such as LCD screen no display, LCD screen is white. Or in general, there is no light produced by the LCD screen, but ringing and notification sounds can still be heard.

Some causes of Samsung Galaxy A02 A022F backlight or screen not working:

  1. Phone dropped, screen broken.
  2. The phone has been exposed to water or liquid.
  3. Damage to internal components.

Step 1: Replace screen Samsung Galaxy A02 A022F

Carry out screen replacement, if there is broken, cracked screen on Samsung Galaxy A02 A022F Backlight Problem is a common problem in smartphones, most of this problem occurs when the phone is dropped in water or any kind of liquid damage. When any smartphone has screen light problem, you would first check all display connectors or motherboard connectors for short or broken lines in LCD lite or as shown in the diagram. disaster or not. If All those lines are ok you will check your mobile phone for water damage Water damaged mobile phone has many form of problem LCD back lite problem is a common problem in this situation. this could be the cause of no damaged screen.

Step 2: Reinstall the software on your Samsung phone

No backlight on Android phone could be caused by a bug in the phone's operating system, you can reinstall it to solve the problem.

Step 3: Check LCD monitor connection

Try to test the whole connection on the PCB board, especially on the LCD screen connection. There may be corrosion or rust in the connector, clean it immediately with liquid alcohol and assist with brushing to get the socket back to a clean condition and take action when the connection comes apart.

Step 4: Check circuit and voltage
The following repair step you can try to check if the line on the Samsung Galaxy A02 A022F Android phone board is damaged.

Samsung Galaxy A02 A022F Backlight Problem

In the schematic image of the path connected to each component, you can check using a multimeter. When damage to the path is encountered, then it can be performed path jumper, for the condition to return to normal.

Step 5: Replace components

With the schematic guide above, you can perform a test of connected components. If there are defective components after checking and measuring with a multimeter. You can make new component replacements of the same value. Hopefully with a guide through the schematic picture was given. You've got the best solution to the problem. Please note, Check your phone for any damage carefully, to avoid increasing damage and causing harm to yourself. Thank.
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