GSM-Forum - View Single Post - Nokia X3-02 hardware solution here .

**aZimBahar** · 05-05-2011, 15:11

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.

[IMG]http://1.bp.********.com/-phdHJQWU1VE/TZyFpnprgCI/AAAAAAAABWE/Y4oRMwvnsDQ/s320/gsmangel_x3-02+USB+jumper+solution.jpg[/IMG]

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!!!

05-05-2011, 15:11	#3 (permalink)
aZimBahar Product Manager Join Date: Dec 2009 Location: CEO.of.ROMDevelopers Age: 32 Posts: 16,030 Member: 1174508 Status: Offline Sonork: 100.1593820 Thanks Meter: 11,979	Nokia X3-02 USB Device Not Detected Solution w/ Jumper Ways Track 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. [IMG]http://1.bp.********.com/-phdHJQWU1VE/TZyFpnprgCI/AAAAAAAABWE/Y4oRMwvnsDQ/s320/gsmangel_x3-02+USB+jumper+solution.jpg[/IMG] 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!!!