(2)Remove the 10 screws from the rear of the detachable LCD/MDI type
B, and then take out the metal plate on which the CRT control
printed–circuit board and power supply are mounted. (Be careful
because the metal plate is connected with main unit through cables.)
(3)Remove the connectors JA1 and JA2 from the CRT control
printed–circuit board, and the connector CN1 from the power supply.
(4)Remove the backlight power supply cable and LCD cable from the
8.4” color LCD printed–circuit board. (See Fig. 2.9.3.)
(5)Remove the 4 nuts from the metal plate fastening the 8.4” color LCD
printed–circuit board, and then take out the printed–circuit board by
pulling it up. (See Fig. 2.9.3.)
(6)If the backlight is an L–shaped type, remove the 2 screws, and then
take it out by pulling down the case of the backlight and shifting it a
little to the left. (See Fig. 2.9.3.)
If the backlight is a rod type, remove the 3 screws from the left side,
and then open the lid. (See Fig. 2.9.3.)
(7)Replace the backlight inside the case with a new one.
(8)To assemble, reverse this procedure. When installing the metal plate
for fastening the 8.4” color LCD printed–circuit board, pay attention
to the MDI cable.
Fig. 2.9.3 Inside of the detachable LCD box