Nokia RH-66 Troubleshooting Manual page 51

Nokia Customer Care
Flashlight Faults
Flashlight
Faults
Are the flashlight
LEDs turned on
when the mobile
terminal is on and
when pressing the
UP key?
YES
End
Issue 1 03/2005
Measure VBATT
voltage at C2405. Is
NO
Measure the driver
signal DLIGHT at
D2400 J2420, and
V2403. Is the signal
Check N2400, L2401,
L2400, C2405,
C2407, R2412,
R2411, C2404,
R2407, R2408. Are
they OK?
Check solder joints
at D2405. Are they
Replace the LED
©2005 Nokia Corporation
Baseband Description and Troubleshooting
NO
it OK?
YES
NO
OK?
YES
YES
NO
OK?
YES
Company Confidential
2115i/2116/2116i (RH-66)
Check VBATT line at
L2400.
Change the UEM
Reflow
Page 51