LG B2050 Service Manual - Page 116

AGC, 5 APC, 6 ADC, 7 Setting, 8 How to do calibration

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11. AUTO CALIBRATION 11.4 AGC This procedure is for Rx calibration.In this procedure, We can get RSSI correction value. Set band EGSM and press Start button the result window will show correction values per every power level and gain code and the same measure is performed per every frequency. 11.5 APC This procedure is for Tx calibration. In this procedure you can get proper scale factor value and measured power level. 11.6 ADC This procedure is for battery calibration.You can get main Battery Config Table and temperature ConfigTable 11.7 Setting check com port and cable loss. Select automatic calibration item. If you uncheck one item calibration will stop from the unchecked item. This is useful when you want to process only oneitem. 11.8 How to do calibration A. Connect cable between phone and serial port of PC. B. Connect Ag8960 equipment and Power Supply and phone. C. Set correct port and baud rate. D. Press Start button. AutoCalprocess all calibration procedure i. AGC EGSM ii. AGC DCS iii. APC EGSM iv. APC DCS v. ADC E. After finished all measurement. The state is return to SETUP. F. The Cal file will be generated and then the calibration data will be written into phone and thenwill be reset. - 115 -

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11. AUTO CALIBRATION
11.4 AGC
This procedure is for Rx calibration.In this procedure, We can get RSSI correction value. Set
band EGSM and press Start button the result window will show correction values per every
power level and gain code and the same measure is performed per every frequency.
11.5 APC
This procedure is for Tx calibration. In this procedure you can get proper scale factor value and
measured power level.
11.6 ADC
This procedure is for battery calibration.You can get main Battery Config Table and temperature
ConfigTable
11.7 Setting
check com port and cable loss. Select automatic calibration item. If you uncheck one item cali-
bration will stop from the unchecked item. This is useful when you want to process only oneitem.
11.8 How to do calibration
A. Connect cable between phone and serial port of PC.
B. Connect Ag8960 equipment and Power Supply and phone.
C. Set correct port and baud rate.
D. Press Start button. AutoCalprocess all calibration procedure
i. AGC EGSM
ii. AGC DCS
iii. APC EGSM
iv. APC DCS
v. ADC
E. After finished all measurement. The state is return to SETUP.
F. The Cal file will be generated and then the calibration data will be written into phone and
thenwill be reset.
- 115 -