Nokia 500 Service Manual page 87

RM-750
BB Troubleshooting and Manual Tuning Guide
Note: No external measurement equipment is required as the calibration is completely handled
internally. RF cable and adapter losses do not need to be taken into account while WLAN TX tuning
is proceeded.
WLAN TX has been BiP (Build in Prduction line testing) tuned correctly in production. There is no reason to
do re-calibration unless the Jerry 1.0D (N6100) is changed or memory (D3000) is corrupted.
WLAN TX can be tuned automatically with Testing and Tuning Tool. It performs calibrations and tunings of
WLAN TX. The results are displayed and logged in a result file, if initiated.
Steps
1. Place the phone in the flash adapter or connect data cable to phone.
Phoenix service software.
2. Start
Choose File → Scan Product.
3.
Choose Tuning → WLAN_TX_TUNING. See the following figure.
4.
5. Select "Sub-Band 0" as indicated in the figure.
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