Auto Tuning - Nokia RM-305 Service Manual

RM-305; RM-306
RF troubleshooting
Figure 32 Supply and control points at FEM (N7100) and Litti (D2901)
TXP signal measured at Test Point TP7100
VC1 signal measured at Test Point TP7103
VC2 signal measured at Test Point TP7102
VC3 signal measured at Test Point TP7101
VPC signal measured at Test Point R7112

Auto tuning

Context
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.
Issue 2 COMPANY CONFIDENTIAL Page 5 –7
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