Nokia 9000i Service Manual page 242

RAE/RAK–1N
Service Software
Power
level
Base
10
8
0
– Press <F3> to calculate all other levels.
– Once all TX levels are OK, press <Esc> and store readings in phone
EEPROM with pressing <Y>.
5. Charge Voltage Adjustment
A reference value for charge voltage is set by using an accurate 6.0 V
supply.
Calibration of the charge voltage:
– Apply +6 V to VCHAR line.
– Select adjustments menu option "Charge Voltage Adjustment".
– Program reads 6 V, A/D reading fed to phone VCHAR line.
– Store charge voltage value to phone EEPROM by pressing <Y>
6. Battery Voltage Adjustment
A reference value for battery are calibrated by using an accurate 6 V
supply.
Calibration of the A/D converter channels:
– Apply +6 V to dummy battery.
– Select adjustments menu option "Battery Voltage Adjustment".
– Program reads 6 V, A/D reading fed to phone VBAT line.
– Store correct value to phone EEPROM by pressing <Y>
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Tuning P /dBm
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10
14
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After Sales
Technical Documentation
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