Display Led - Siemens M35 Series Service Manual

Repair Documentation
Description of procedure:
D I A G N O S I S
R E P A I R B Y C O M P O N E N T C H A N G E
R E P A I R B Y S W - B O O T I N G
T E S T
List of needed material
C O M P O N E N T S
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.
Use soldering iron to remove defective diode
Avoid excessive heat!
Watch surrounding components!
Resolder new diode afterwards.
Not possible!
Retest handset after repair.
Display LED S35
Part-Number: L36840-L2048-D670
Display LED C/M35
Part-Number: L36840-L2047-D670
J I G S A N D T O O L S
Hot Air Blower
Soldering Iron