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    Oppo Hardware

    Oppo A57 Display Light Ways Solution Backlight Jumper

    By Mobile RdxFebruary 6, 2019

    Oppo A57 Display Light Ways Solution Backlight Jumper
    Oppo A57 CPH1701 Display Ways Backlight Jumper Solution Lcd Light Not Working Problem Blank Screen Problem Display Light Repair Solution Backlight Ways

    Though the black screen problem on Oppo A57 is not a common issue, but few owners of this phone reported that they were facing trouble with it. Some users said that they found a solution after plugging the charger in while some others said that they had to run few restarts to fix the black screen problem on Oppo A57. Here we have narrowed down some solutions of the problem, and you can follow them in order to fix the same.

    This solution below shows the Oppo A57 LCD display backlight components that hold and control for the LCD screen display backlight to glow. If one of these components may become faulty due to wet or water damaged it will result in LCD’s backlight failure.

    Hardware Solution

    To fix the dark screen display 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.

    Oppo A57 LCD Screen Display Problem Solution

    Oppo A57 Display Light Ways Solution Backlight Jumper

    Second Solution:

    Oppo A57 Backlight Ways Display Jumper Solution

    Here are some hints on how to troubleshoot the “Oppo A57 LCD display backlight not working problem”.
    ” Note: ensure that the Lcd is okay or try replacing it before proceeding”
    1. Check the LCD pin connector for possible damaged, resolder if necessary.
    2. Trace each of the LED + (positive and LED – (negative connection line paths down to the resistors where it is being connected.
    3. Check the connected resistor, replace if found damaged.

    Read More:-  Oppo A37 Network Ways | Repair No Service and Signal Problem

    Check the pin connector assembly and ensure to clean it as well.
    Check the display filter resistors including the LCD supply voltage and trace the connection tracks to the LCD pin connector. Replace the damaged resistor or mind to reconnect if there is an open line path.

    If you have further questions please don’t hesitate to leave a comment.

    Note: Every repairing solution posted here is tested by at least one member of our team. Use the information available here at Your Own Risk. We are not responsible if any harm comes to your device during the repairing process.

    Oppo A57 2017 TA-1034 LCD Display Light IC Solution Jumper Problem Ways LCD Display Light Not Working
    Oppo A57 LCD Display Light Ways, Display Light Problem, Display Light Solution, Display Light Jumper

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    View 1 Comment

    1 Comment

    1. Robert on June 15, 2018 6:46 pm

      I’m a technician and you show me the right methods every time I visit you. I’ve collected a huge knowledge from your blog guides. Thanks.

      Reply

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