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Connections troubleshooting
Bluetooth troubleshooting
Introduction to Bluetooth troubleshooting
There are two main Bluetooth (BT) problems that can occur:
Detachment of the BT antenna.
A malfunction in the BT ASIC, BB ASICs or the 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. For location of the antenna, please refer to the
exploded view in the Parts and layouts section.
Bluetooth settings for Phoenix
Steps
Phoenix service software.
1. Start
2. From the File menu, choose Open Product, and then choose the correct type designator from the
Product list.
3. Place the phone to a flash adapter in the local mode.
4. Choose Testing→Bluetooth LOCALS .
5. Locate JBT-9's serial number (12 digits) found in the type label on the back of JBT-9.
In addition to JBT-9, also SB-6, JBT-3 and JBT-6 Bluetooth test boxes can be used.
Bluetooth LOCALS window, write the 12-digit serial number on the
6. In the
Counterpart BT Device Address line.
This needs to be done only once provided that JBT-9 is not changed.
7. Place the JBT-9 box near (within 10 cm) the BT antenna and click Run BER Test.
Results
Bit Error Rate test result is displayed in the
Page 3 –36
Problem
Bit Error Rate (BER) Tests pane in the Bluetooth LOCALS window.
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BB Troubleshooting and Manual Tuning Guide
Description
This would most likely happen if the device has
been dropped repeatedly to the ground. It could
cause the BT antenna to become loose or partially
detached from the PWB.
This is unpredictable and could have many causes
i.e. SW or HW related.
RM-272; RM-273
Issue 1
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