Nokia RM-11 Series Troubleshooting Manual page 53

RM-11
CC Technical Documentation Troubleshooting - Baseband
Display
faults,
page 2
Try changing
Does the Display
display module. Retest
NO YES
start?
Does it work?
NO
Set mobile terminal in Local
Mode. Use Phoenix
Troubleshooting -> Factory ->
Display Test. Select the
following: Test pattern;
Alternate pixels; Start.
YES
Check VIO and VFlash1 at X302.
Also, check LCD signals LCDCSX
(pin5), LCDCLK (pin4), LCDSDA
Change UPP
NO
(pin3), and LCDRESX (pin2) at
X302. Is signal OK? (Refer to
Display section)
YES
Change
END
Display
©2005 Nokia Corporation
Issue 2 09/2005 Confidential Page 53