Proface APL3000B - Node Box PC - Manual (Page 151)

PS-3650A / PS-3651A User Manual
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7.5.2 Procedure for replacing the backlight of PS-3651A
Be sure to wear gloves when exchanging the backlight, and follow the following procedures.
(1) Turn OFF the power switch of the PS-A 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 screw (3) of Master Cover, and remove the Mask Cover.
(4) Unscrew the screws (6) (See the figure below).
• 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.