Figure 47 Test points in Bluetooth ASIC circuit – BTHCost4.0D (CSR8810)
Symptom, Problem and Repair Solution
The following problems can occur with the Bluetooth hardware:
Symptom Problem Repair Solution
Unable to switch on Bluetooth on
phone user interface
Open circuit solder joints or
component failure of BTH ASIC,
BB ASICs, or SMD components.
Replacement of Bluetooth ASIC
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 ASIC,
BB ASICs (PCM interface).
Replacement of Bluetooth ASIC
Able to switch on Bluetooth on
phone user interface, but unable
to detect other Bluetooth devices
Open circuit solder joints or
detacted 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.
Users may experience the following problems resulting in functional phones being returned to the repair
centre:
RM-761; RM-799; RM-800
RF Troubleshooting
Page 4 – 52 COMPANY CONFIDENTIAL Issue 1
Copyright © 2011 Nokia. All rights reserved.
To Next Page
Loading...
Need help?
General
