This solution covers for Nokia X3-02 for USB device not detected problem, and may help if the PC or laptop won't recognize or detect the phone when connected via USB.
Here's the solution that shows the connection line paths of the USB pin connector down to a certain components on Nokia X3-02 PCB board, that may need to check to solve USB connection problem.
Hints in hardware troubleshooting Nokia X3-02 USB device not detected problem:
1. Check/clean the USB pin connector. Re-solder the pins.
2. Check/ replace the fuse, diode and filter coils.
3. Trace each of the VBUS, D-,D+, ID and Ground pinout connection line paths. Mend to reconnect it if found cut-off or open circuit.
4. Rework, replace the USB Transceiver chip.
Enjoy!!!
Here's the solution that shows the connection line paths of the USB pin connector down to a certain components on Nokia X3-02 PCB board, that may need to check to solve USB connection problem.
1. Check/clean the USB pin connector. Re-solder the pins.
2. Check/ replace the fuse, diode and filter coils.
3. Trace each of the VBUS, D-,D+, ID and Ground pinout connection line paths. Mend to reconnect it if found cut-off or open circuit.
4. Rework, replace the USB Transceiver chip.
Enjoy!!!
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