Nokia RH-44 Series Troubleshooting - Bb page 37

CCS Technical Documentation
Display faults 2
Does the display
start?
Yes
END
Issue 1 04/2003
Try changing display
No
module. Does it work?
No
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 signal at pin 1
("1"), 2 ("0"), 4 (data),
and 5 (clock). Are the
signals OK?
Nokia Corporation
Troubleshooting — BB
Yes
Change UPP
No
Change display
Yes
Confidential
RH-44
Re-test
Page 37