Nokia X7-00 Display Track,Ways,Jumper Solution

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Nokia X7-00 Display Track,Ways,Jumper Solution
Nokia X7-00 Display Problem
Nokia X7-00 Display Jumper
Nokia X7-00 Display Ways
Nokia X7-00 Display Track
Nokia X7-00 White Display
Nokia X7-00 LCD Display Problem
Nokia X7-00 Blank Display
Note: This only works if you can still hear something on the phone like tones, incoming alerts and not on a white screen problem or hang up on white screen situation.

The quick step to fix display problem, is that you have to verify a working LCD, just replace the LCD screen module at once just to ensure that the LCD is working or not and then proceed to hardware troubleshooting after confirming that the LCD is still fine. Just locate the highlighted components shows on figure solution picture below and do have a careful check up on each one of them one by one.

X7 00 Display problem solution 300x148
view larger image here.


– Check the display pin connector, clean it, rework or re-solder it if necessary. 
– Check the capacitors and coils, replace if necessary, and then check the VBAT voltage and the VIO voltage on it. Those are the supply voltages for the display 
– Check the two DSI line choke filters
– If those parts above already checked and seems nothing wrong, the problem possibly exist on the Display UI chip. Reworking or replacing it will only fix the display problem 

For damaged or lifted display pin connector or due to wet or water damaged, here’s the tracing guide if you might think that the problem lies on a broken display signal line paths. 

X7 00 Display pin connector jumper ways solution 300x200
view larger image here.


So, hope this helps you in fixing display problem on Nokia X7-00.

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