Nokia 6220 Service Manual

Page of 60
CCS Technical Documentation
                                Company confidential 
RH-20
Issue 1  10/2003
Nokia Corporation.
Page 23
EGSM900, GSM1800 and GSM1900 Receiver
General instructions for Rx troubleshooting
Connect test jig to computer with DAU-9S 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 4.2V.
Connect an RF-cable to the module test jig (MJS-38) 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 -> Choose product -> RH-20
From toolbar set operating mode to "Local"
Activate RF controls window from the menu
Testing -> RF Controls
From the RF controls window:
- Select band "GSM900", "GSM 1800" or “GSM1900” (Default = "GSM900")
- Set Active unit to "Rx"  (Default = "Rx")
- Set Operation mode to "Burst" (Default = "Burst")
For continuous mode:
- Set Operation mode to "Continuous"
- Set AGC to "12: FEG_ON + DTOS_ON + BB_30=Vgain60” (maximum gain setting used 
in normal mode)
 (Default = "14: FEG_ON + DTOS_ON + BB_42=Vgain72")
- Set Rx/Tx channel to 37 on GSM900 band, 700 on GSM1800 band or 661 on GSM1900