Information and Communication
Communication Devices
2.1.2Affected IMEIs / Date Codes: All / All
2.1.3Affected SW-Versions: All
2.1.4Fault Code for LSO reporting: 3VCX
2.2Fault Description
2.2.1Fault Symptoms for customers:
Network Search
Handset not logging into network
2.2.2Fault Symptom on GSM-Tester:
Frequency error in synchronized mode >90 Hz
No location update possible
The VCXO (Voltage Controlled Crystal Oscillator) is responsible for generating the
13 MHz reference frequency of the handset.
If it is defective, the handset cannot synchronize to the base station anymore.
2.3Priority:
........ Mandatory
........ Repair
........ Optional
........ Not Yet Defined
2.4Repair Documentation
2.4.1Description of procedure:
2.4.1.1Diagnosis
Check the output frequency of the VCXO using the level-2 testing
program for E10 / S6 Power GSM.
Switch off the „CMD in Use“ option in the S611.INI file and restart
V1.2 Page 4 of 22 ICP CD ST
D. Schnoor
06/98
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