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10.4
Repair Documentation
10.4.1 Description of procedure:
10.4.1.1
Diagnosis
10.4.1.2
Repair by component change
10.4.1.3
Repair by SW-Booting
10.4.1.4
Test
10.4.2 List of needed material
10.4.2.1
Components
10.4.2.2
Jigs and Tools
V1.2
The nine LEDs are providing the illumination both for the display and
for the keyboard. Just switch on the phone without upper case and
remove the keyboard. Now visually check the function of the LEDs.
Use hot air blower or soldering iron to remove defective LED.
Watch the polarity of the LED!
Avoid excessive heat!
Watch surrounding components!
Resolder new LED afterwards.
Not possible!
Retest handset after repair.
LED C25(88)
Part-Number:
L36840-L2031-D670
Hot Air Blower
Soldering Iron
Page 33 of 34
Information and Communication Products
Communication Devices
ICP CD ST
D. Schnoor
8/99

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C2588

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