Siemens SXG 75 Service Manual page 44

GSM Test:
With the availability of the GRT Test /Alignment software, this tool has to be used to perform
the outgoing test!
>Connect the mobile/board via internal antenna (antenna coupler) and external antenna
(car cradle/universal antenna clip) to a GSM tester
>Use a Test SIM
For Triple Band phones use a separate test case, if the test software allows only one handover.
Skip the GSM Band test cases if not performed by the mobile phone
example:
Internal Antenna
Test case
1 Location Update
2 Call from BS
3 TX GSM Band 1
4 Handover to GSM Band 2
Including Handover
Check
5 TX GSM Band 2
6 Call relaese from BS
Technical Documentation
TD_Repair_L1-L3_SXG75_R1.1.pdf
1. Test file
2. Test file
Parameter
• GSM Band 1
• BS Power = -55 dBm
• middle BCCH
• low TCH
• highest PCL
• BS Power = -75 dBm
• middle BCCH
• low TCH
• highest PCL
• BS Power = -75 dBm
• middle BCCH
• low TCH
• highest PCL0
• BS Power = -75 dBm
• middle BCCH
Company Confidential
Band 1 = GSM900 / Band 2 = GSM1800
Band 1 = GSM1900
Measurements
• Display check
• Ringer/Loudspeaker
check
• Frequency Error
• Phase Error RMS
• Phase Error Peak
• Average Power
• Power Time Template
• Frequency Error
• Phase Error RMS
• Phase Error Peak
• Average Power
• Power Time Template
2005©BenQ
Release 1.1
Limits
• individual
check
• individual
check
• GSM Spec.
• GSM Spec.
11/2005
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