In Microsoft LG G3 D855 Display is connected the the motherboard with a cable connector. If your LCD is not working, you obviously have to check if a faulty LCD is not causing this problem. If the LCD is okay then check the LCD connector.
If you ever already been tried to replace a new replacement LCD screen and new flex cable wire and notihng happens but the display problem still exists like, black screen display, blue screen display, white screen display, garbled and saturated screen display.
Before you may proceed, you need to make sure first that the flex cable and the LCD is working fine or you have it tried with new replacement installed but nothing happens.
Note: this solution covers only for hardware repair and may not help on software related issues.
LG G3 D855 Display Ways Light Jumper Solution
Here’s some hints on how to troubleshoot the “LG G3 D855 LCD display back light 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.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 paths.
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.
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