Table of Contents
Advertisement
27 Top Indicator
27.1 The green or the red top indicator does not work
Start the phone in the test program.
Go to MMI\Display/Top indicator test
Activate the half of the diode that does not work with "Green top indicator" or "Red top
indicator" Fig. 27.1.
If both diodes are faulty, you have to check one at the time.
This is because EFRA does not allow you to activate more then one at the time.
Check the voltage on the activated half of the diode H650 according to Fig. 27.2. below.
If the voltage are to low on pin 2 and 4, check VRPAD +3.8 V
If the voltage VRPAD is incorrect it can be due to N411, foil damage against R646 or a short
circuit on VRPAD or in C621.
4/00021-3/FEA 209 544/18 B
Fig. 27.1
Fig. 27.2
Trouble Shooting Guide, Advanced
on R646.
DC
111(121)
Advertisement
Table of Contents
