User Guide

Note: Set the DC supply voltage to 12 V and set the jumper connector on the test jig's reg.pass
switch to “ON” position.
3. Connect an RF cable between the RF connector of the module test jig (MJ-69) and measurement equipment
or alternatively use a 50 ohms (at least 2 W) dummy load in the module test jig RF connector, otherwise
GSM may be damaged.
Note: Make sure that all connections are made to the correct RF connector.
4. Set Rx on.
i Set the phone module to the test jig and start
Phoenix service software
.
ii Initialize connection to the phone. (With FPS-10 use FBUS driver when using DKU-2 and COMBOX driver).
iii From the File menu, choose product: File -> Choose Product -> xx-x* (* = type designator of the
phone, scan product).
iv From the toolbar, set operating mode to “Local”.
5. EGSM900, GSM850/1800/1900 troubleshooting
i From the Testing menu, activate the
RF Controls
window: Testing -> GSM -> RF Controls .
ii In the
RF Controls
window:
Select band "GSM850", “GSM900” or “GSM1800” or “GSM1900” (Default = “GSM850”).
Set Active unit to “Rx” (Default = “Rx”).
Set Operation mode to “Burst” (Default = “Burst”).
Set Rx/Tx channel to 190 on GSM850, 37 on GSM900 band or 700 on GSM1800 band or 661 on GSM1900
(Defaults).
Set Edge to “Off” (Default). (Not active in RXmode).
Set Tx PA mode to “Free” (Default). (Not active in RXmode).
Apply 942.46771 MHz (channel 37 + 67.710 kHz offset), 881.66771MHz (channel 190 + 67.710 kHz),
1842.86771 MHz (channel 700 + 67.710 kHz offset) or 1960.06771 MHz (channel 661 + 67.71 kHz) –
90 dBm signal to the RF-connector (remember to compensate for cable attenuation).
RM-170; RM-171
Nokia Customer Care RF Troubleshooting and Manual Tuning Guide
Page 7 –6 COMPANY CONFIDENTIAL Issue 1
Copyright © 2006 Nokia. All rights reserved.