User Guide

RH-48
Troubleshooting — BB CCS Technical Documentation
Page 46 © 2003 Nokia Corporation Confidential Issue 1 11/2003
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 LCD signals
LCDCSX (pin5),
LCDCLK (pin4),
LCDSDA (pin3), and
LCDRESX (pin2) at
X302. Signals OK?
Change UPP
Change Display
END
YES
NO YES
NO
NO
YES