Auto Tuning; Introduction To Auto Tuning; Auto Tuning Procedure - Nokia RM-645 Service Manual

RM-645
RF Troubleshooting

Auto tuning

Introduction to auto tuning

This phone can be tuned automatically.
Auto tune 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
• PK-1 service dongle
• Power supply
• Product specific module jig
• Cables: RF cable XRS-6, USB cable, GBIP cable and MBUS cable DAU-9S
• Signal analyser (TX), signal generator (RX) and RF-splitter or one device including all.
Figure 24 Auto tuning concept with CMU200

Auto tuning procedure

Prerequisites
Nokia_firmware_RM_645_Europe_0.11.10_v1.00.exe .
Install the phone-specific data package, e.g.
The data package defines the phone-specific settings and it supports the non-signaling tests (RF FINUI Tests).
Note: The External Phoenix version must be 2008.34.10.36039 or newer.
Steps
1. Make sure the phone (in the jig) is connected to the equipment. Else, some menus will not be shown in
Phoenix.
2. Go to loss settings by selecting Tuning (Alt_U) → SET LOSS from the menu.
3. Set the loss between CMU200 and the phone. (Total loss = cable + jig)
4. Go to auto tuning by selecting Tuning (Alt_U) → Auto-tune (Alt_A) from the menu.
5. Start auto tuning by clicking the Tune button.
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