Huawei Y9 2018 Light Solution – Jumper Ways
Huawei Y9 2018 Light Solution – Jumper Ways, in this post i will share very useful image that can help you to solve Huawei Y9 2018 LCD backlight problem. in most of cases backlight did not work because of water damages or rust problems. in initial diagnosing’s check out brightness if there is brightness level low you can make it more bright.
This post is all about Huawei Y9 2018 fix phone screen problem solution. If mobile phone scree display is not working good or the screen light is not working. Huawei Y9 2018 cracked screen repair is only possible with phone screen replacement. But if the screen is not broken then replace phone screen is not required.
If Huawei Y9 2018 screen is blinking or dim light having blank scree. In all these case we have to disassemble the smart phone and check screen jack if there is any rust carbon or damages of screen jack pins. Huawei Y9 2018 phone repair tutorials are given in a few more posts so you can search other repairing problem solutions here.
If screen jack have no any fault then the above mobile screen repair diagram will help you to find out tracks that are used in screen function of Huawei Y9 2018 replace phone screen with new one for testing.
All tracks are indicated in different colors so that you can find out the points where you can apply jumpers to repair phone scree. Broken phone screen can not be repaired. And solution is only possible with phone screen replacement.
Huawei Y9 (2018) Backlight Way Display Light Problem Jumper Solution:
What Is An LCD or Backlight?
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 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.
Huawei LCD Backlight Problem Solution
To fix the dark screen Huawei Y9 (2018) 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.
Huawei Y9 (2018) Backlight problems that you might encounter:
- White Display
- No Display
- Lines on Display
- Low Light on Display
- No Backlight
- Check the LCD for possible damaged, cracked, or broken. Replace if necessary.
- Check the device firmware, and do a self-test and calibration method. update or flash the firmware.
- Check the LCD pin connector for possible damaged. Clean, re-solder or replace if necessary.
- Now Check Continuity between the Display connector to the resistor compounds. if any of then is track missing then make a jumper.
- If the above procedures don’t fix the problem the possible faulty is the main engine IC. Try to re-heater rework it.
How To Repair Huawei Y9 (2018) Backlight Problem?
- Clean both connectors at the motherboard and display strip links pinpoint.
- After cleaning try to test your issue by power on your cell phone.
- The problem is coming from missing light pinpoints commonly. Try to make direct same as the image diagram above.
- If the light current is showing at the connector pinpoints. Test and replace the display lights LED.
- If there is no current at the connector pins. Try to clean or test the light controller chip.
- For the faulted display lights from the front panel, You need to fix it by repairing the lights section.
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