Usb Troubleshooting - Nokia 2366i Baseband Description And Troubleshooting

Nokia Customer Care

USB Troubleshooting

When troubleshooting the USB, refer to
use the following procedure to check these points:
1. Connect the mobile terminal to the Phoenix flash station using a DKU-2 or
CA-53 data cable.
2. Use the Windows Device Manager to see if the mobile terminal is recognized as a
USB device. You should see something similar to
• If recognized, there is no hardware fault and you can stop troubleshooting.
• If not recognized, perform a visual inspection on the Pop-port connector,
ESD Protection, NUT integrated circuit, capacitors, and inductors.
3. Check for activity on the USB D+ and USB D – lines. If there is no activity, inspect
the D2800 under X-ray or change the part.
Issue 2 - February 2007
Baseband Description and Troubleshooting
Figure
USB ESD protection
USB D+
USB D-
Figure 12: USB connections and chart
Company Confidential
9, Figure 10, Figure 11, and
Figure 13.
2366i (RM-155)
Figure 12; and
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