User Guide
Table Of Contents
- 7 - RF Description & Troubleshooting
- 1. RF Description and Troubleshooting
- 2. RF Implementation in NHL-12
- 3. Introduction to RF troubleshooting
- 4. Receiver Description and Troubleshooting
- 5. Transmitter Description and Troubleshooting
- 6. Additional Information on EDGE Troubleshooting
- 7. Synthesizer Description and Troubleshooting
- BACK TO MAIN PAGE
Issue 2 10/2004 COMPANY CONFIDENTIAL 41
Copyright © 2004 Nokia. All Rights Reserved.
NHL-12
7 - RF Description & Troubleshooting Nokia Customer Care
■ General instructions for synthesizer troubleshooting
Checking synthesizer operation
1. Connect a test jig to the computer with a DAU-9S cable or to a FPS-8 flash prom-
mer with an XCS-4 modular cable.
• Make sure that you have a PKD-1 dongle connected to the computer’s parallel
port.
2. Connect a DC power supply or FPS-8 to the module test jig with a PCS-1 cable.
3. Set the DC supply voltage to 3.9V and set the jumper connector on test jig to "by-
pass" position.
4. Set the phone module to test jig and start Phoenix service software
5. Initialize connection to the phone. (Use FBUS driver when using DAU-9S and
COMBOX driver when using FPS-8).
6. Select product from the menu: File -> Choose Product -> NHL-12.
7. From the toolbar, set operating mode to "Local".
8. Activate the RF Controls window from the menu: Testing -> RF Controls
In the RF Controls window:
• Select band "GSM850", "GSM 1800" or "GSM1900" (Default = "GSM850").
• Set Active unit to "Rx" (Default = "Rx").
• Set Operation mode to "Continuous" (Default = "Burst").
• Set Rx/Tx channel to 190 on GSM850 band, 700 on GSM1800 band, 661 on
GSM1900 band (Defaults).