Test Coverage; Test Procedure - Nokia RM-761 Service Manual

RM-761; RM-799; RM-800
RF Troubleshooting
Symptom
Bluetooth feature does not
operate as desired with another
Bluetooth device

Test Coverage

The tests listed in the table below should be performed to verify whether the Bluetooth is functional.
Bluetooth should be re-tested after repair to the Bluetooth circuit (if supported by the phone).
Test
Bluetooth Self Test:
ST_LPRF_IF_TEST
Bluetooth Self Test:
ST_BT_WAKEUP_TEST
Bluetooth Self Test:
ST_LPRF_AUDIO_LINES_TEST
Bluetooth Functional Test: BER
test with BT-Box or functional
test with other Bluetooth device
The self tests run from Phoenix software are used for fault diagnosis.
If Phoenix software is not available the functional tests with phone accessories are sufficient to verify the
functionality of Bluetooth.

Test Procedure

Bluetooth Self Tests
A CA-101 phone data cable connected to a PC with Phoenix service software is required.
Steps:
1 Connect data cable to phone.
2 Start Phoenix service software.
File → Scan Product .
3 Choose
4 From the Mode drop-down menu, set to
Testing → Self Tests .
5 Choose
6 In the Self Tests window check the following Bluetooth tests:
• ST_LPRF_IF_TEST
• ST_LPRF_AUDIO_LINES_TEST
• ST_BT_WAKEUP_TEST
7 To run the test, click
Bluetooth BER Test
SB-6 Bluetooth test box (BT-box) is required to perform a BER (Bit Error Rate) test. If a BT-box is not available
Bluetooth functionality can be checked by transferring a file to another Bluetooth phone.
Steps:
Issue 1
Bluetooth Profile implemented in
Bluetooth accessory not
supported in Nokia phone
Bluetooth ASIC UART interface
(controls Bluetooth receiver and
transmitter)
Bluetooth ASIC interrupt control
interface
Bluetooth ASIC PCM interface
Bluetooth antenna circuit
Local .
Start .
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Problem
Test Coverage
Solution
Use Bluetooth accessory with
Bluetooth profiles supported by
phone
Repair solution
Replacement of Bluetooth ASIC
(or repair of phone BB)
Replacement of Bluetooth ASIC
(or repair of phone BB)
Replacement of Bluetooth ASIC
(or repair of phone BB)
Repair of Bluetooth antenna
circuit (including RF filter)
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