Bluetooth Troubleshooting; Introduction To Bluetooth Troubleshooting - Nokia RX-44 Service Manual

Bluetooth troubleshooting

Introduction to Bluetooth troubleshooting

Bluetooth problems that can occur:
A malfunction in the BT ASIC, BB ASICs or Phone's BT
SMD components.
The main issue is to find out if the problem is related to the BT antenna or related to the BT system or the
phone's BB and then replace/fix the faulty component.
Bluetooth/WLAN antenna element
Bluetooth and WLAN have common antenna element which is mounted into decoration cover. Antenna
connection to PWB antenna pad is made through pogo pin.
Page 4 –42
Problem
Figure 23 BT/WLAN antenna
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BB Troubleshooting and Manual Tuning Guide
Description
This is unpredictable and could have many causes
i.e. SW or HW related.
RX-44
Issue 1