|Nokia 5530 Xpress Music Touch Key Solution|
The solution we provide is the solution for hardware troubleshooting on Nokia X3-02 touch screen problem. This will help for wet or water damaged Nokia X3-02 touch and type that result to touch screen malfunction.
Just refer to the solution below and do some check up on the highlighted components.
Nokia X3-02 Touch screen problem hardware solution
Hints on troubleshooting touch screen failure on Nokia X3-02:
This will work if you already tried replacing the touch screen module and restoring the device firmware.
1.Check/clean the touch screen pin connector, re-solder it if necessary.
2. Check/read the touch screen supply voltage (VIO 1.8V) across to the filter coil.
If the voltage is missing check/replace the 0 ohms resistor, or apply a jumper if the line paths is open or cut.
3. Trace the RESET and PINT DAV line paths. apply a jumper if connection is open or cut.
4. Rework, re-ball or replace the Touch Controller chip.