Nokia RM-497 User Manual

Symptom Problem Repair Solution
Able to send data file to another
Bluetooth device, but unable to
hear audio through functional
Bluetooth headset
Open circuit solder joints or
component failure of BTH/FM
ASIC/module BB ASICs (PCM
interface).
Replacement of Bluetooth/FM
ASIC/module
Able to turn switch on Bluetooth
on phone user interface, but
unable to detect other Bluetooth
devices
Open circuit solder joints or
detected component in
Bluetooth antenna circuit.
Repair of Bluetooth antenna
circuit
Problems connecting to specific
manufacturer/model Bluetooth
accessory (specific Bluetooth
profile supported by phone and
accessory in product
specification)
Possible interoperability issue
with accessory fixed in recent
Nokia phone software release
(check Nokia Service Bulletin for
latest information)
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.
Able to turn on FM radio and
Bluetooth on phone user
interface, but unable to detect
local FM radio stations with FM
headset inserted
Open circuit solder joints or
detached component in FM
receiver antenna circuit.
Repair of FM receiver antenna
circuit
Able to perform scans to detect
local FM radio stations with
functional FM headset inserted,
but unable to hear FM audio
through headset.
Open circuit solder joints or
detached component in FM
receiver audio path between
Bluetooth/FM ASIC and headset.
Repair of FM audio circuit
Users may experience the following problems resulting in functional phones being returned to the repair
centre:
Symptom Problem Solution
Bluetooth feature does not
operate as desired with another
Bluetooth device
Bluetooth Profile implemented in
Bluetooth accessory not
supported in Nokia phone
Use Bluetooth accessory with
Bluetooth profiles supported by
phone
Poor FM radio reception (unable
to detect many radio stations)
Nokia headset not being used. Use Nokia headset
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).
RM-497
BTHFMTXRDS3.0b
Page 6 – 6 COMPANY CONFIDENTIAL Issue 1
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Nokia RM-497 Specifications

General

Brand	Nokia
Model	RM-497
Category	Handhelds
Language	English