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.










