Rf Key Components; Auto Tuning For Rf - Nokia 2700c-2 Service Manual

RM-561
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
Page 4 –6 COMPANY CONFIDENTIAL Issue 1
Copyright © 2009 Nokia. All rights reserved.