Proface APL3000B - Node Box PC - Manual (Page 152)

Chapter 7 Maintenance
7-13
(5) Open the PS-A unit as the figure below indicates.
(6) Disconnect the Backlight Unit cable from the connector on the inverter board, and then remove the cable
from the cable clamp.
(7) Loose the Backlight Unit setscrew (1), and lift the edge of the Backlight Unit, and remove the unit while
sliding it along the groove.
(8) Insert a new Backlight Unit while sliding it along the groove and fasten the setscrew. The necessary
torque is 0.173N•m.
• Be careful that no dust or dirt adheres to the backlight surface or to the backlight
holder.
• Be careful not to soil the Backlight with moisture, oil content or finger prints;
otherwise, the life duration of the Backlight will be shortened.
Backlight Unit
Connector
Cable Clamp
Cable