User Guide

RH-23
CCS Technical Documentation
Page 38 Copyright Nokia. All rights reserved. Issue 1 02/2004
Service Tool Concept for RF Tuning Operations
NOTE! RF tunings need to be done ONLY if any RF block component is replaced.
All RF tuning operations must be carried out in the MJ-17 Module Jig!
Power to MJ-17 must be supplied from an external DC power supply, not
FPS-
8 prommer
MJ-17 input voltages:
Maximum + 5 VDC
Nominal input for RF tunings is +4.2 V DC
Minimum +3V DC
Remember the cable attenuation when setting required RF levels
Figure 1: RF tuning setup
Item: Type: Description: Code:
1 MJ-17 Module jig 0770586
2 PCS-1 DC power cable 0730012
3 XRF-1 RF antenna cable 0730085
4 DAU-9S Service Mbus cable 0730108
5 PKD-1 Software protection key 0750018
6SW