V1.0
70
Repair Documentation
Description of procedure:
DIAGNOSIS
Use the diode test function of a multimeter to check the status of the
diode.
The typical voltage drop on the diode is 1.7V when testing the diode
function with the multimeter.
Attention: There are two different types of display LEDs, one for
C/M35 and one for S35! Also they use different placement location,
see drawings 1 and 3.
REPAIR BY COMPONENT CHANGE
Use soldering iron to remove defective diode
Avoid excessive heat!
Watch surrounding components!
Resolder new diode afterwards.
REPAIR BY SW-BOOTING
Not possible!
TEST
Retest handset after repair.
List of needed material
COMPONENTS
Display LED S35
Part-Number: L36840-
L2048-
D670
Display LED C/M35
Part-Number: L36840-
L2047
-D670
JIGS AND TOOLS
Hot Air Blower
Soldering Iron
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