Sunday, 26 February 2012

Nokia X7-00 Display Problem Solution

nokia x7-00 display problem repair guide
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.
Nokia X7-00 diplay pin connector jumper ways
view larger image here.

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


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