Nokia 6680 RM-36 Service Manual page 221

RM-36
RF Troubleshooting and Manual Tuning Guide
8. Connect the signal generator to the phone and set frequency and amplitude as instructed in the "Rx Band
Filter Response Compensation for EGSM900" popup window.
9. To perform tuning, click OK.
10. Go through all 9 frequencies.
11. Check that the tuning values are within the limits specified in the following table:
GSM900
Ch. 965 /
923.26771 MHz
Ch. 975 /
925.26771 MHz
Ch. 987 /
927.66771 MHz
Ch. 1009 /
932.06771 MHz
Ch. 37 / 942.46771
MHz
Issue 1
Min
-10
-3
-3
-3
-3
Company Confidential
Copyright ©2005 Nokia. All Rights Reserved.
Typ Max
-1
0
0
0
0
Nokia Customer Care
Unit
5 dB
5 dB
5 dB
5 dB
5 dB
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