Nokia 2600 服务手册

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页码 108
 RH-59/60
Nokia Customer Care
54
COMPANY CONFIDENTIAL
ISSUE 1 09/2004
Copyright © 2004 Nokia. All Rights Reserved.
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-15 Module Jig!
Power to MJ-15 must be supplied from an external DC power supply, not FPS-8 
prommer
MJ-15 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 
Table 1: 
Item:
Type:
Service accessory:
Product 
code:
1
MJ-15
Module jig
0770739
2
PCS-1
DC power cable
0730012
3
XRF-1
Modular cable
0730085
4
DAU-9S
Service Mbus cable 
0730108
5
PKD-1
Software protection key
0750018
6
CD-ROM
Service SW
1
2
3
4
5
6