User Guide

RM-11
Troubleshooting - Baseband CC Technical Documentation
Page 54 ©2004 Nokia Corporation Confidential Issue 1 02/2004
Display
faults,
page 2
Does the Display
start?
Try changing display
module. Does it
work?
Retest
Set phone in Local Mode. Use Phoenix
"Message Sender" and navigate as
follows: DEV_HOST-->DEV_PC-->
PN_TEST-->OBJ_ROUTING_REQ-->
OBJ_PC-->UTID-->
TEST_UI_TEST_REQ-->
TEST_DISPLAY_SET-->NUM_SB-->
TEST_SB_UI_DISPLAY_PATTERN-->
SB_LENGTH. Select
"TEST_PATTERN_ALTPIXELS" and
click "Send"
Check VIO and VFlash1 at X302.
Also, check LCD signals LCDCSX
(pin5), LCDCLK (pin4), LCDSDA
(pin3), and LCDRESX (pin2) at
X302. Is signal OK? (Refer to
Display section)
Change UPP
Change
Display
END
YES
NO YES
NO
NO
YES