IBM Series 1500 User Manual
Symptom/Error
FRU/Action in Sequence
Unreadable LCD
screen.
screen.
Missing pels in char-
acters.
acters.
Abnormal screen
Wrong color dis-
played.
played.
Reseat LCD connector
Check LCD inverter ID
LCD FPC ASM
LCD inverter
LCD
System board
LCD has extra hori-
zontal or vertical lines
displayed.
zontal or vertical lines
displayed.
Check LCD inverter ID
LCD FPC ASM
LCD inverter
LCD
System board
Keyboard/TrackPoint-Related
Symptoms
Symptoms
Symptom/Error
FRU/Action in Sequence
Keyboard (one or
more keys) doesn't
work.
more keys) doesn't
work.
Go to “FRU tests” on
page 48.
page 48.
Reseat keyboard cable.
Keyboard
System board
TrackPoint does not
work.
work.
Go to “FRU tests” on
page 48.
page 48.
Reseat keyboard cable.
Keyboard
System board
Indicator-Related Symptoms
Symptom/Error
FRU/Action in Sequence
Indicator incorrectly
remains off or on, but
system runs cor-
rectly.
remains off or on, but
system runs cor-
rectly.
Reseat LED board.
LED board
System board
Power-Related Symptoms
Symptom/Error
FRU/Action in Sequence
Power shuts down
during operation.
during operation.
Go to “Power systems
checkout” on page 30.
checkout” on page 30.
AC Adapter
Battery pack
DC/DC & Charge board
System board
ThinkPad i Series 1400/1500
35