Proface APL3000B - Node Box PC - Manual (Page 89)

PS-3450A Series Hardware Manual
4-8
4.5.1 PS3450A Series
4.5.2 PS3451A Series
Be sure to wear gloves when exchanging the backlight, and follow the following procedures.
(1) Confirm that the power is not supplied to the PS-A unit, and remove the power cable.
(2) Remove the PS-A unit from the equipment (panel etc.) to which the unit has been incorporated, and
place the PS-A unit on a flat, level surface facing the display face downwards.
(3) Unscrew the screws (5) as shown below, and remove the Mask Cover.
• The backlight for PS3450A series cannot be replaced by the user. When the
backlight needs to be replaced, please contact your local PS-A distributor.
• Be sure to perform the backlight changeover on a flat, level surface. This will
prevent damage to the PS-A unit and the accidental cutting of any of its power
cord.
• Be sure to protect the display surface to prevent damage during the operations.