M55/M56 - Siemens M55 Repair Manual

8.4 Repair Documentation:
8.4.1 Description of procedure:
8.4.1.1 Diagnosis:
Use the diode test function of a multimeter to check the status of the diode. The
typical voltage drop on the diode is 1.7 V when testing the diode function with the
multimeter.
8.4.1.2 Repair by component change:
Use soldering iron to remove defective diode.
Avoid excessive heat!
Watch surrounding components!!
Resolder new connector afterwards.
8.4.1.3 Repair by Software booting:
Not possible!
8.4.1.4 Test:
Retest handset after repair.
8.4.2 List of needed material:
8.4.2.1 Components:
LIGHT NIGHT LEDS M55/M56
Part-Number:
V 1.0

M55/M56

L36840-L2093-D670
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