Siemens M55 Repair Manual page 19

6.4 Repair Documentation:
6.4.1 Description of procedure:
6.4.1.1 Diagnosis:
Visually check the Card Reader. Watch for dry joints:
6.4.1.2 Repair by component change:
Use soldering iron to remove defective component.
Avoid excessive heat!
Watch surrounding components!
Resolder new Card Reader afterwards.
6.4.1.3 Repair by Software booting:
Not possible!
6.4.1.4 Test:
Retest handset after repair.
6.4.2 List of needed material:
6.4.2.1 Components:
Card Reader M55/M56
Part-Number:
6.4.2.2 Jigs and Tools:
Hot Air Blower
Soldering Iron
V 1.0
M55/M56
L36334-Z93-C204
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