Gsm900 & Gsm1800 Receiver; General Instructions For Rx Troubleshooting - Nokia NHM-1 Series Troubleshooting Instructions

CCS Technical Documentation
GSM900 & GSM1800 Receiver

General instructions for Rx troubleshooting

Connect test jig to computer with DAU9S cable or to FPS-8 Flash Prommer with XCS-4
modular cable.
Make sure that you have PKD-1 dongle connected to computers parallel port.
Connect DC power supply to module test jig with FLC-2 cable.
Set the DC supply voltage to 3.9V and set the jumper connector on test jig to "bypass"
position.
Connect an RF-cable to the module test jig (MJS-46) RF connector and to RF signal gen-
erator.
Set the phone module to test jig and start Phoenix service sofware.
Initialize connection to phone. (use FBUS driver when using DAU9S and COMBOX driver
when using FPS-8)
Choose product from the menu
File -> Open product -> NHM-1
From toolbar
- Set system mode to "GSM"
- Set operating mode to "Local"
Activate RF controls window from the menu
Maintenance -> Testing -> RF Controls
From the RF controls window
- Select band "GSM900" or "GSM 1800" (Default = "GSM900")
- Set Active unit to "Rx" (Default = "Rx")
- Set Operation mode to "Burst" (Default = "Burst")
- Set AGC to "8: FEG ON + 46 dB (Default = "8: FEG ON + 46 dB")
- Set Rx/Tx channel to 37 on GSM900 band or 700 on GSM1800 band (Defaults)
Apply 942.46771 MHz (channel 37 + 67.710 kHz offset) or 1842.86771 MHz (channel
Issue 1 11/03
Nokia Corporation.
NHM-1
Troubleshooting instructions
Page 15