Siemens M55 Repair Manual page 5

2.4 Repair Documentation:
2.4.1 Description of procedure:
2.4.1.1 Diagnosis:
Visually check the bottom connector. Watch for dry joints:
2.4.1.2 Repair by component change:
Use hot air blower remove defective I/O connector.
Avoid excessive heat!
Watch surrounding components!
Resolder new I/O connector afterwards.
2.4.1.3 Repair by Software booting:
Not possible!
2.4.1.4 Test:
Retest handset after repair.
2.4.2 List of needed material:
2.4.2.1 Components:
I/O Connector M55/M56
Part-Number:
2.4.2.2 Jigs and Tools:
Hot Air Blower
Soldering Iron
V 1.0
M55/M56
L36334-Z93-C303
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05/03