Ricoh IWB-D1 Service Training page 55

Troubleshooting - 8
Symptom
Noises appear on
the images
displayed on the
screen.
Nothing appears on
the screen.
Slide 55
Cause
Defective LCD controller or
LCD panel
Any of the following
components could be
defected:
* LCD control board
* LCD panel
55
Solution
Check the harness
condition between LCD
panel and LCD control
board.
Replace the LCD control
board.
If the above does not
resolve the problem,
replace the LCD panel.
Check the harness
condition between LCD
control board and LCD
panel.
Replace the components
one at a time in the
following order:
* LCD controller
* LCD panel
Model K-C3.5L