Nokia RM-484 User Manual

Figure 19 Bluetooth/WLAN antenna
Introduction to Bluetooth/FM radio troubleshooting
The Bluetooth and FM radio are combined in the same ASIC, so both features are checked when
troubleshooting.
The following problems can occur with the Bluetooth and FM radio hardware:
Symptom Problem Repair solution
Unable to switch on Bluetooth on
phone user interface
Open circuit solder joints or
component failure of BTH/FM
ASIC/module BB ASICs or SMD
components.
Replacement of Bluetooth/
FM ASIC/module
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.
Replacement of Bluetooth/
FM ASIC/module
Able to switch on Bluetooth on
phone user interface, but unable
to detect other Bluetooth devices
Open circuit solder joints or
Pogo Pins not making contact
with c-cover
Repair or replace c-cover
Able to turn on FM radio and
Bluetooth on phone user
interface, but unable to detect
local FM radio stations with Nokia
headset inserted
Open circuit solder joints or
detached component in FM
antenna circuit
Repair of FM antenna
connection or FM circuit
component
RM-484; RM-485; RM-486
BB Troubleshooting
Issue 1 COMPANY CONFIDENTIAL Page 3 –53
Copyright © 2009 Nokia. All rights reserved.

Nokia RM-484 Specifications

General

Brand	Nokia
Model	RM-484
Category	Cell Phone
Language	English