User Guide

Test Test Coverage Repair solution

FM Radio Functional Test: Listen to

local radio station.

FM receiver audio circuit. Repair of FM antenna

matching circuit or

replacement AV connector and

flex.

The self tests run from Phoenix software are used for fault diagnosis.

If Phoenix software is not available the functional tests with phone accessories are sufficient to verify the

functionality Bluetooth and FM radio receiver and transmitter.

Bluetooth/FM radio component layout and test points

The Bluetooth antenna is product specific (ceramic antenna conducted by feed on PWB). On phones with

WLAN and GPS, the Bluetooth RF signal is routed through a WLAN front-end module via diplexer and a shared

Bluetooth/WLAN/GPS antenna is used.

The FM RF signal is routed through the FM antenna matching circuit to the phone headset AV connector.

The FM radio audio signal is routed to the headset AV 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 if not available

Bluetooth functionality can be checked by transfering a file to another Bluetooth phone.

Steps

1. Place the phone in the flash adapter or connect data cable to phone.

2. Start

Phoenix

service software.

3. Choose File → Scan Product.

4. Choose Testing → Bluetooth LOCALS .

RM-412; RM-413

BB Troubleshooting

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