Siemens C25 Service Manual page 41

3.4 Repair Documentation
3.4.1 Description of procedure:
The connector X5 is connecting the main board of the C25 with the piezo
ringer through a two pin cable.
3.4.1.1 Diagnosis
Visually check the connector. Watch for bent contacts and dry joints.
3.4.1.2 Repair by component change
Resolder dry soldering joints.
If the connector is physically damaged use hot air blower or wick to remove
defective connector.
Avoid excessive heat!
Watch surrounding components!
Resolder new connector afterwards.
3.4.1.3 Repair by SW-Booting
Not possible!
3.4.1.4 Test
Retest handset after repair.
3.4.2 List of needed material
3.4.2.1 Components
3.4.2.2 Jigs and Tools
V1.2
Ringer Connector C25:
Part-Number: L36334-Z97-C43
Hot Air Blower
Soldering Iron
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