Nokia 6150 - Speed Dialling and Caller Groups

CONFIDENTIAL
Service & Analysis Center Europe
Training Team
version 1.0 / 19.10.1999 Page 27 of 41
Display Failure
Display failure
contrast
dissapears,
missing segments
resolder MAD or
change if
necessary
black line on LCD
after phone has
switched off
change elastomer
change LCD, if
elastomer change
doesn't help
strange signs on
LCD, "dark" LCD
during start up is
missing
check LCD reset
on pin 36 of MAD
add a 4,7MOhm
resistor to C9 on
user interface
(piggyback)
check contacts
and solderings of
X300
resolder or change
X300 if any spring
is bended
refer to service
bulletin
Yes
not oK
not oK
not oK
Yes
not oK
Yes