Samsung SGH-T629 Service Manual

Also see for SGH-T629: User guide User guide Manual Del Usuario

Samsung SGH-T629 Service Manual Manual pdf 13 page image

SAMSUNG Proprietary-Contents may change without noticeTest Command & Test Procedure6-2This Document can not be used without Samsung's authorization6-3. Tx Power Tune up Procedure- GMSK1) Procedure:a. Calibraion equipment HP8960 and the cell phone are connectedthrough RF cable.b. Target power ( required power level according to the specificationwhich should be set by calibration program) is set to equipment aspower level (ex: GSM 5 level is 32.5 dBm).c. Activate phone in Tx_Mode_Only.d. HP8960 equipment measures transmitted power through rf test cablefrom the phone and reports measured level to calibration program.e. The program compares measured power with the target power.f. The calibration program decides power code which is defined inadvance in the program and writes the codes to the flash memory inthe phone.2) Target value is defined according to the value of GSM specification.See the TX power level definition table below.3) Target values of the peak level of the phone are set normally inconducted mode- GSM850 5 level : 32.5dBm- EGSM900 5 level : 32.5dBm- DCS 0 level : 29.5dBm- PCS 0 level : 29.5dBm (Tolerance : -2dB ~ +1dB )4) AccuracyAll the TX level from the phone after tuned-up satisfy the GSMspecification5) TX ramp mask specification applied to the calibration program :