NSM–1 Series Transceivers
PAMS Technical Documentation
Original 10/98
Tuning Instructions
Страница 1: ...NSM 1 Series Transceivers PAMS Technical Documentation Original 10 98 Tuning Instructions ...
Страница 2: ...4 Equipment Setup for Tuning a Phone without Removing Covers 5 Flash Concept for NSM 1 6 Tuning With Covers Off Using Test frame JBS 19 7 Tuning With Covers Off using Light Jig JBT 1 8 Warranty Transfer 9 Tuning Steps 10 1 RX Calibration AGC AFC 10 2 Alignment of Transmitter Power Levels 12 3 I Q Modulator Alignments 14 4 Energy Management Calibration 16 ...
Страница 3: ...ction parameter The tuning values of the phone reside on the EEPROM The contents of the EEPROM can be read by the service software and saved as a file This is advisable when there is need to retain that information e g in view of replacement of the circuit The program also enables writing the default parameters on the EEPROM in which case all tuning steps should be carried out During tuning procee...
Страница 4: ...our PKD 1 Attach the protection key PKD 1 to parallel port one 25 pin female D connector of the PC When connecting the PKD 1 to the parallel port be sure that you insert the PC end of the PKD 1 to the PC male side If you use a printer on parallel port one place the PKD 1 between the PC and your printer cable Next connect the M2BUS service cable DAU 9P to the serial port RS 232 of the computer Atta...
Страница 5: ...g a Phone without Removing Covers 1 2 3 4 5 Item Service accessory Product code 1 Service Battery BBD 3 0775071 2 DC Cable SCB 3 0730114 3 Service MBUS Cable DAU 9P 0730109 4 Software protection key PKD 1 0750018 5 Service SW diskette 3 5 for WinTesla 0774046 6 Service SW diskette 3 5 for NSM 1 0774080 ...
Страница 6: ...098 6 DC Cable PCC 1B 0730053 7 D15 D15 Cable AXS 5 0730091 Included in FLA 5 sales pack 8 Printer Cable Included in FPS 4 sales pack 0730029 9A D9 D9 Cable AXS 4 0730090 Included in FPS 4 sales pack 9B D9 D9 Cable AXS 4 0730090 10 Software protection key PKD 1 0750018 11 Service SW diskette 3 5 for NSM 1 0774080 Service SW diskette 3 5 for WinTesla 0774046 12 Travel Charger ACH 6E Euro 0270381 Tr...
Страница 7: ... JBA 4 0770094 3 DC Cable PCS 1 0730012 4 External Antenna Cable XRC 1B 0730128 5 Service Cable SCH 5 0730098 6 Service MBUS Cable DAU 9S 0730108 7 Audio Cable ADS 1 0730011 8 Software Protection Key PKD 1 0750018 9 Service SW diskette 3 5 for WinTesla 0774046 Service SW diskette 3 5 for NSM 1 0774080 The nominal operating voltage for JBS 19 is 3 6 V The supply voltage for JBS 19 must never exceed...
Страница 8: ...4 3 DC Cable PCS 1 0730012 4 External Antenna Cable XRC 1B 0730128 5 Service Cable SCH 5 0730098 6 Audio Cable ADS 1 0730011 7 Service MBUS Cable DAU 9S 0730108 8 Software Protection Key PKD 1 0750018 9 Service SW diskette 3 5 for WinTesla 0774046 Service SW diskette 3 5 for NSM 1 0774080 The nominal operating voltage for JBT 1 is 3 6 V The supply voltage for JBT 1 must never exceed 5 0 V SCH 5 JB...
Страница 9: ...PAMS Technical Documentation NSM 1 Tuning Instructions Page 9 Original 10 98 Warranty Transfer 1 Item Service accessory Product code 1 Warranty Cable SCH 6 0730099 ...
Страница 10: ...0 300 Difference between the two neighbour AGC steps 10 20 Troubleshooting If the calibration does not succeed the software normally reports Unable to read data from phone or Failed to set high reference or Failed to set low reference In this case check first the basic functionality of the receiver chain RF generator frequency set as in the calibration and level for example to the high reference v...
Страница 11: ...robable that the VCTCXO is not operating correctly If both of these RSSI reading and the frequency seem to be correct and calibration still fails the most probable reason is that there is a little lack of gain somewhere or the AGC gain control slope in N600 is out of the lim its This can be verified by changing the generator reference levels from the demanded ones in the calibration procedure in 1...
Страница 12: ...and 885 1784 8 MHz Targets in dBm Power level GSM PCN ÁÁÁÁÁÁ ÁÁÁÁÁÁ 0 ÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ 29 5 ÁÁÁÁÁÁ ÁÁÁÁÁÁ ÁÁÁÁÁÁ 1 ÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ 28 ÁÁÁÁÁÁ ÁÁÁÁÁÁ 2 ÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ 26 ÁÁÁÁÁÁ ÁÁÁÁÁÁ 3 ÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ 24 ÁÁÁÁÁÁ ÁÁÁÁÁÁ 4 ÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ 22 ÁÁÁÁÁÁ ÁÁÁÁÁÁ 5 ÁÁÁÁÁ ÁÁÁÁÁ 32 5 ÁÁÁÁ ÁÁÁÁ 20 ÁÁÁÁÁÁ ÁÁÁÁÁÁ 6 ÁÁÁÁÁ ÁÁÁÁÁ 31 ÁÁÁÁ ÁÁÁÁ 18 ÁÁÁÁÁÁ ÁÁÁÁÁÁ 7 ÁÁÁÁÁ ÁÁÁÁÁ 29 ...
Страница 13: ...re separately aligned al though there is a possibility to align only three and calculate the rest This is due to the fact that the calculation is not accurate enough especially for PCN lowest power levels where the targets are NSM 1 specific NOTE Base level must be adjusted manually because the calculation most often fails ...
Страница 14: ...z Select the TX I DC offset option and adjust the level of the centre fre quency CHF to minimum Select the TX Q DC offset option and adjust the level of the CHF again to minimum After finding both minima change TX I DC offset by step or two from the current value to both directions to see whether better minimum can be found for CHF Select the Amplitude Difference option and adjust the level of the...
Страница 15: ...ations 67 71 kHz 67 71 kHz CHF 30 dB 35 dB Set this value to minimum Amplitude phase difference Set this value to minimum D C offset tunings Store the results in PC memory Go to Product Band PCN and then to TX I Q Tuning to check the alignment with the values which are in PC memory If the specifica tions are not met in PCN the solution is to find compromise values which are not optimum for either ...
Страница 16: ...Documentation NSM 1 Tuning Instructions Page 16 Original 10 98 4 Energy Management Calibration See chapter Service Software Instructions and section Tuning Energy Management Calibration command for further information ...
