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NHM–7
Troubleshooting Instructions
PAMS Technical Documentation
Page 20
Issue 1 10/2001
Nokia Corporation
Display
faults 3
Does the display start ?
Try change UI module
Is it working now ?
No
Retest
Yes
Measure
VDD (2.78V) and
VDDI (1.8V).
Is it OK?
Check C303
and lines.
If OK,
Change UEM
No
Measure
VOUT voltage.
Is it ~8.1V?
Yes
Check C302,
X300 and lines.
No
Measure
XRES, XCS.
Is it ~1.8 V?
Yes
Check X300
and lines.
If OK, change
UPP
No
END
Yes
Yes
Check X300
No
Summary of Contents for NHM-7 series
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