Lcd-Related Symptoms; Keyboard/Trackpoint-Related Symptoms - IBM thinkpad r30 Hardware Maintenance Manual

Symptom/Error
LCD backlight does not
work.
LCD is too dark.
LCD brightness cannot
be adjusted.
Unreadable LCD screen.
Missing pixels in
characters.
Abnormal screen
Wrong color displayed.
LCD has extra horizontal
or vertical lines
displayed.
Keyboard/TrackPoint-Related
Symptoms
Symptom/Error
Keyboard (one or more
keys) doesn't work.
TrackPoint does not
work.
FRU/Action in Sequence
v Keyboard (if contrast and
brightness function keys do not
work)
v Reseat LCD connector
v Check LCD inverter ID
v LCD Cable ASM
v LCD Inverter/LED board
(13.3"/14.1")
v LCD
v System board
v Reseat LCD connector
v Check LCD inverter ID
v LCD Cable ASM
v LCD Inverter/LED board
(13.3"/14.1")
v LCD
v System board
v Check LCD inverter ID
v LCD Cable ASM
v LCD Inverter/LED board
(13.3"/14.1")
v LCD
v System board
FRU/Action in Sequence
v Go to "FRU tests" on page 57.
v Reseat keyboard cable.
v Keyboard
v System board
v Go to "FRU tests" on page 57.
v Reseat keyboard cable.
v Keyboard
v System board
MT 2656, 2657, 2676
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