Nokia RH-6 Series Rf Description & Troubleshooting page 17

CCS Technical Documentation
Measuring front-end power levels using spectrum analyzer
Spectrum Analyzer (SA) level values depend on the probe type and should be validated
using a good sample. The levels that are given here are measured using a resistive probe
(50Ohm semi-rigid cable).
Start Phoenix Service Software and open FBUS connection.
Select
Wait until phone information shows in the lower right corner of the screen.
Set operating mode to local mode.
Select
Wait until the RF Controls window pops up
Select
Please refer to the fault finding chart for proper levels at different test points.
Measuring analogue RX I/Q signals using oscilloscope
Measuring with an oscilloscope on "RXIINN" or "RXQINN" is recommended only if RSSI
reading does not provide enough information. There exist dedicated test points for RX I
and Q signals. Input level = -80dBm.
Start Phoenix Service Software and open FBUS connection.
Select
Wait until phone information shows in the lower right corner of the screen.
Set operating mode to local mode.
Select
Wait until the RF Controls window pops up.
Select
Issue 1 10/2003
Company Confidential
Scan Product
Maintenance
Testing
RF Controls
Band GSM 900 or GMS1800 or GSM1900
Active unit RX
Operation mode Continuous
RX/TX Channel 37 or 700 or 661
Scan Product
Maintenance
Testing
RF Controls
Band
Active unit
Operation mode
RX/TX Channel
AGC
Copyright © 2003 Nokia Corporation.
Company Confidential
7 - RF Description & Troubleshooting
Ctrl-R
Alt-M
T
F
Ctrl-R
Alt-M
T
F
GSM 900 or GMS1800 or GSM1900
RX
continuous
37 or 700 or 661
14
RH-6
Page 17