Proface APL3000B - Node Box PC - Manual (Page 90)

Chapter 4 Maintenance
4-9
(4) Open the PS-A unit as the figure below indicates.
(5) Disconnect the Backlight Unit cable from the connector on the inverter board, and then remove the cable
from the cable clamp.
(6) Loose the Backlight Unit setscrew (1), and lift the edge of the Backlight Unit, and remove the unit while
sliding it along the groove.
(7) Insert a new Backlight Unit while sliding it along the groove and fasten the setscrew. The necessary
torque is 0.173N
•m.
Backlight Unit
Cable
Cable Clamp
Connector
Backlight unit setscrew