Siemens ST55 Repair Documentation page 15

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6.3 Repair Document
Description of procedure
Diagnosis
Visual check if the springs are oxidized or deformed.
Repair by component change
1.Use hot blower to remove the defective connector.
Avoid excessive heat! Watch surrounding components!
2.Add solder on pads.
3.Heat and put on a new connector to enhance adhesion.
Repair by SW-Booting
Not possible!
Test
After repair procedure as described above, retest handset by '*#369#'.
List of needed material
Components
ST55 Speaker Spring
Part Number: L36334-Z97-C324
Jigs and Tools
Soldering Iron (350°C ± 20 °C)
Special Tools:
Multimeter
Working materials
Solder
V 1.1
ST55
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Company Confidential
Copyright 2003© Siemens AG
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01/05

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