Display Faults 2 - Nokia RH-37 Series Baseband Troubleshooting Instructions

RH-37
6(a) - BB Troubleshooting Instructions

Display faults 2

Display
faults
2
Does
the display
work?
Yes
End
Page 24
Change
UI module. Is it
working?
No
No
Check X2400
Measure
VDD (2.78V)
and VDDI (1.8V).
Is it OK?
Yes
Change UEM
Measure
RESX, CSX.
Is it ~1.8V?
Check X2400
and lines. If
OK, change
Yes
Nokia Corporation
Open Phoenix, enter Test mode
and goto Testing > Display Test >
Select Test > Contrast Test. Set
the height and width values to 128
respectively.Then click Send to
Is there a clear
No
difference on the
No
UPP.
Retest
Nokia Customer Care
Yes
Phone
No
Grey scale?
Yes
Issue 1 07/04