Bluetooth And Fm Radio Troubleshooting; Introduction To Bluetooth/Fm Radio Troubleshooting - Nokia RM-235 Service Manual

RM-235
BB troubleshooting

Bluetooth and FM radio troubleshooting

Introduction to Bluetooth/FM radio troubleshooting

Bluetooth/WLAN/GPS antenna
Figure 15 Bluetooth antenna
The BT RF signal is routed from BTFMRDS2.0 through the WLAN module, diplexer to the shared WLAN/BT/GPS
antenna in the phone's C-cover. The WLAN RF signal is routed from the WLAN module through the diplexer
to the shared WLAN/BT/GPS antenna in the phone's C-cover. The GPS signal is routed through the diplexer
into the GPS chip.
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:
Issue 1 COMPANY CONFIDENTIAL Page 3 –37
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