Proface APL3000B - Node Box PC - Manual (Page 82)

Chapter 4 Maintenance
4-13
(5) Open the PS-A unit as the figure below indicates.
(6) Disconnect the Backlight Unit cable from the connector on the inverter board. Remove the cable from
the cable clamp.
(7) Loosen the Backlight Unit setscrew (1), and lift the edge of the Backlight Unit. Remove the unit by
sliding it along the groove.
(8) Insert a new Backlight Unit by sliding it along the groove and fasten the setscrew. The necessary torque
is 0.166N•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