Bluetooth/FM radio component layout and test points
Figure 13 BT/FM component layout
The Bluetooth antenna is product specific (antenna integrated into phone B cover). On phones with WLAN,
the Bluetooth RF signal is routed through a WLAN front-end module and a shared Bluetooth / WLAN antenna
is used. The FM RF signal is routed through a product specific FM antenna matching circuit to the phone
headset connector. The FM radio audio signal is routed to the headset connector through the BB ASIC shared
by the phone audio functions.
Bluetooth BER test
Prerequisites
JBT-9, or SB-6 Bluetooth test box (BT-box) is required to perform a BER test. If a BT-box not available Bluetooth
functionality can be checked by transferring a file to another Bluetooth phone.
Steps
1. Connect data cable to phone.
2. Start
Phoenix
service software.
3. Choose File → Scan Product.
4. Choose Testing → Bluetooth LOCALS .
5. Locate the BT-box serial number (12 digits) found in the type label on the back of the JBT-9, or SB-6
Bluetooth test box.
6. In the Bluetooth
LOCALS
window, write the 12-digit serial number on the
Counterpart BT Device
Address
line.
7. Place the BT-box near (within 10 cm) of the phone and click Start BER Test.
RX-51
BB Troubleshooting
Issue 1 COMPANY CONFIDENTIAL Page 3 –49
Copyright © 2009 Nokia. All rights reserved.
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