Nokia 7280 Service Manual
ISSUE 1 11/04
COMPANY CONFIDENTIAL
37
Copyright © 2004 Nokia. All Rights Reserved.
RM-14
RF Troubleshooting and Manual Tuning
Nokia Customer Care
GSM1800 PA high mode with EDGE on
Set Power Meter (or Spectrum analyzer) as required.
Repeat the same steps as for EGSM high and low mode above.
When EDGE is on, the tuning must be made for all power levels.
Tune base level and all power levels from 15 to 2 to target level.
When tuning values are correct, choose “Save & Continue”.
If all coefficients are within specified limits, tuning will continue on the GSM1900 PA high mode
with EDGE off.
with EDGE off.
Typical values:
Table 11:
Power level
GSM1800 EDGE on
2
0.550 … 0.700
3
0.470 … 0.620
4
0.400 … 0.550
5
0.350 … 0.500
6
0.320 … 0.470
7
0.290 … 0.430
8
0.260 … 0.360
9
0.240 … 0.330
10
0.220 … 0.310
11
0.210 … 0.300
12
0.200 … 0.280
13
0.180 … 0.260
14
0.170 … 0.250
15
0.160 … 0.240
Base
0.090 … 0.160