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Symptom
Able to send data file to another
Bluetooth device, but unable to
hear audio through functional
Bluetooth headset
Able to turn switch on Bluetooth
on phone user interface, but
unable to detect other Bluetooth
devices
Problems connecting to specific
manufacturer/model Bluetooth
accessory (specific Bluetooth
profile supported by phone and
accessory in product
specification)
Able to turn on FM radio and
Bluetooth on phone user
interface, but unable to detect
local FM radio stations with FM
headset inserted
Able to perform scans to detect
local FM radio stations with
functional FM headset inserted,
but unable to hear FM audio
through headset.
Users may experience the following problems resulting in functional phones being returned to the repair
centre:
Symptom
Bluetooth feature does not
operate as desired with another
Bluetooth device
Poor FM radio reception (unable
to detect many radio stations)
Test Coverage
The tests listed in the table below should be performed to verify whether the Bluetooth and FM receiver and
transmitter are functional.
As Bluetooth and FM receiver and transmitter share the same ASIC, all of these functions should be re-tested
after repair to the Bluetooth-FM circuit (if supported by the phone).
Page 6 – 6
Problem
Open circuit solder joints or
component failure of BTH/FM
ASIC/module BB ASICs (PCM
interface).
Open circuit solder joints or
detected component in
Bluetooth antenna circuit.
Possible interoperability issue
with accessory fixed in recent
Nokia phone software release
(check Nokia Service Bulletin for
latest information)
Open circuit solder joints or
detached component in FM
receiver antenna circuit.
Open circuit solder joints or
detached component in FM
receiver audio path between
Bluetooth/FM ASIC and headset.
Problem
Bluetooth Profile implemented in
Bluetooth accessory not
supported in Nokia phone
Nokia headset not being used.
COMPANY CONFIDENTIAL
Copyright © 2010 Nokia. All rights reserved.
BTHFMTXRDS3.0b
Repair Solution
Replacement of Bluetooth/FM
ASIC/module
Repair of Bluetooth antenna
circuit
Update phone software to latest
version if advised in Nokia Service
Bulletin
Note: The phone Bluetooth
Address and software version are
displayed by pressing *#2820#
when Bluetooth is on.
Repair of FM receiver antenna
circuit
Repair of FM audio circuit
Solution
Use Bluetooth accessory with
Bluetooth profiles supported by
phone
Use Nokia headset
RM-497
Issue 1
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Table of Contents
Troubleshooting
