Replacing The Lcd Unit - Toshiba B-EP2DL Series Maintenance Manual

2. MAJOR UNIT REPLACEMENT
2.2

Replacing the LCD Unit

1) Remove the Right Cover, Left Cover, Front Cover and CPU PC Board. (Refer to Section 2.1 Replacing the
CPU PC Board.)
2) Remove the three screws, then remove the LCD Unit.
T-2x5 Screw
3) Replace the LCD Unit with a new one, then reassemble in the reverse order of removal.
LCD Cable
4) After replacing the LCD unit, perform an LCD check in the system mode and make sure none of dots are
missing. Regarding the procedures for the LCD check, refer to Section 4.2.4 in the System Mode Manual.
If the LCD does not display clearly, refer to Section 4.4.2 in the System Mode Manual and perform an LCD
density setting.
When the LCD dots are missing, make sure the LCD cable is surely connected to the CPU PC board. If the
connection of the cable is correct, the dot missing may result from the initial failure of the LCD and replace
the LCD unit with a correct one.
LCD Unit
2-8
EO18-33024
(Revision Date: Dec. 16, 2008)
2.2 Replacing the LCD Unit
Screw
All backlights off
(3 seconds)
All backlights on
(3 seconds)