Bluetooth And Fm Radio Component Placement - Nokia RM-506 Service Manual

RM-505; RM-506
BB Troubleshooting and Manual Tuning Guide
Symptom
Able to send data file
to another Bluetooth
device, but unable to
hear audio through
functional Bluetooth
headset.
Able to turn on
Bluetooth on phone
user interface, but
unable to detect other
Bluetooth devices.
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.

Bluetooth and FM radio component placement

The figure below shows the key component placement for BTHFMRDS2.3M.
Issue 1
Problem
Open circuit solder joints or
component failure of BTH/
FM ASIC/module BB ASICs
(PCM interface).
Open circuit solder joints or
detacted component in
Bluetooth antenna circuit.
Open circuit solder joints or
detached component in FM
antenna circuit.
Open circuit solder joints or
detached component in FM
audio path between
Bluetooth/FM ASIC and
headset.
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Repair solution
Replacement of Bluetooth/FM ASIC/
module.
Repair of Bluetooth antenna circuit.
Repair of FM antenna circuit.
Repair of FM audio circuit.
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