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    Samsung

    Samsung Galaxy A12 A127F Backlight Ways Repair Display Light Problem

    By Mobile RdxJuly 30, 2022

    Here is the latest diagram to repair Samsung Galaxy A12 A127F Backlight Ways Display light not working problem LCD light ways and display related issues in case you are going to troubleshoot display problems such blank display, dark screen display, white screen (with tones), No backlight LED that is resulted from due to wet damaged or accidentally dropped issues by the users.

    The problem of damage with no backlight is often symptomatic like an LCD that has no display, the LCD screen becomes white. Or in general, there is no light produced by the LCD screen but the ringing and notification sound can still be heard. 

    Samsung Galaxy A12 A127F Specification:

    The dimension of the smartphone is 164 x 75.8 x 8.9 mm and it weighs 205 grams. The smartphone is pack with 3 GB, 4 GB, and 6 GB RAM with 32 GB, 64 GB, and 128 GB internal storage options.

    It is fueled with a non-removable Li-Po 5000 mAh battery + Fast battery charging 15W. The smartphone features a 6.5 inches TFT display that has a 720 x 1560 pixels resolution. The device comes in various colors such as Black, White, Blue, and Red.

    The smartphone is integrated with a Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by). It features quad camera

    What Is An Samsung Galaxy A12 A127F Backlight or Display?

    To start with, an LCD is the digital display interface of your phone, it is the interactive part where you see what goes on as you operate or tap on an icon, watch a video, play music or games, etc. When the LCD (liquid crystal display) is faulty or damaged, you one won’t be able to enjoy it as before. This is where the LCD backlight comes in, the backlight is a series of LEDs (light-emitting diodes) well arranged and suited in the screen layers to give illumination to the LCD screen.

    Read More:-  Samsung GT-S5570i Charging Solution Charge Ways

    Samsung Galaxy A12 A127F Backlight Problem Solution

    To fix the dark screen Redmi 8 backlight problem, you may first try to replace or install a new Display screen module, to easily confirm if the LCD’s backlight LED’s were still working or already damaged.

    You can also check the LED’s using the multimeter if you can manage without damaging the LCD flex connector.

    If the newly installed LCD still shows the same problem and the LED light doesn’t light up, refer to the solution below and locate the highlighted components on the PCB board.

    Samsung Galaxy A12 A127F Backlight and Display problems that you might encounter:

    • White Display
    • No Display
    • Lines on Display
    • Low Light on Display
    • No Backlight

    Samsung Galaxy A12 A127F Backlight Ways Repair Display Light

    If your Samsung Galaxy A12 A127F phone you have had one of the symptoms described above. Then can be done some repair steps that can overcome the damage.

    1. Change or Replace Screen

    The first thing to do if experiencing such damage is to try replacing the new LCD part with a good condition. This can be applied if your phone has a burst or crack on the screen from falling firmly. By trying to replace the new LCD, hopefully, this damaging problem can be solved.

    2. Check the line and the Display socket

    Samsung Galaxy A12 A127F No backlight damage to a phone can be caused by the fluid that enters the phone. And damages the line and the Display socket on the Motherboard. So to fix it, it is recommended to uninstall all parts of the phone in order to perform the check. Usually, water will corrode and rust on the track and socket and impact the breaking path. So for the step repair immediately clean the corrosion and rust, if there is a path that broke immediately repair with the path jumper method.

    3. Check and replace internal components

    If the condition of the LCD and the line is in good condition, but suddenly there is backlight damage on your phone. Then it can certainly occur problems in the internal components. The diagram image that Mobilintec Team provides can be a guide for you in trying to fix the backlight damaged.
     
    Perform measurements on each component, if there is a defective component then immediately turn with components of the same type and value. Try to check the components of the diode as well as the coil that has been marked on the diagram image. Often the component is damaged and results in the appearance of the backlight display.

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    View 1 Comment

    1 Comment

    1. akash saini on September 4, 2023 4:52 pm

      first of all i want to say yourpost is much powerfull and bindas
      here is some also this problem there is no back light
      display is blank . I have repalced a new combo but here is same proble no back light graphicks appear too low
      please help me and guide i will give you money ok thnaks

      Reply
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