Rf Key Components; Auto Tuning For Rf - Nokia RM-579 Service Manual

RM-578; RM-579
RF troubleshooting

RF key components

Figure 16 RF key components

Auto tuning for RF

This phone can be tuned automatically.
Autotune is designed to align the phone's RF part easier and faster. It performs calibrations, tunings and
measurements of RX and TX. The results are displayed and logged in a result file, if initiated.
Hardware set up
Hardware requirements for auto tuning:
• PC (Windows 2000/XP) with GPIB card
• Power supply
• Product specific module jig
• Cables: XRS-6 (RF cable), USB cable, GBIP cable and DAU-9S
• Signal analyser (TX), signal generator (RX) and RF-splitter or one device including all.
Figure 17 Auto tuning concept with CMU200
Phoenix preparations
RM-578_dp_1.78_sw_sh3.26.exe . This defines phone
Install the phone specific data package, for example
specific settings.
Page 4 –6 COMPANY CONFIDENTIAL Issue 3
Copyright © 2009 Nokia. All rights reserved.