Nokia MOBILE TERMINAL Service Manual page 164

6. Connect the signal generator to the phone, and set frequency and amplitude as instructed in the
Rx Calibration with band EGSM900 (step 1-3) pop-up window.
Important:
cable attenuation and module jig probe attenuation.
7. To perform the tuning, click OK.
8. Check that the tuning values are within the limits specified in the following table:
GSM850
AFC Value (init)
AFC slope
RSSI (AGC-0)
GSM900
AFC Value (init)
AFC slope
RSSI (AGC-0)
GSM1800
Page 4 –34
The calibration uses a non-modulated CW signal. Increase the signal generator level by
Table 13 RF tuning limits in Rx calibration
Min
-200
0
106
-200
0
106
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Typ
-80..40 200
108..121 200
107..110 114
-105..62 200
122 200
107...110 114
RF troubleshooting
Max Unit
dB
dB
dB
dB
dB
dB
RM-356
Issue 1