Part No. NPW617HD-24 - Case 6-120365-79257 - How to replace AD Board Inverter?
Before your work, please make sure that the power is disconnected.
Step 1: Remove all the LCD panel screws. (12 screws, 3 on each sides).
Step 2: Remove the LCD panel frame.
Step 3: Remove the LCD mounting screws on the back of the unit. (4 for each side)
Step 4: Lift up the panel as slow as well, and disconnect the cable connected to the LCD panel carefully in case of damage the cables and remove the screw too.
Step 5: Please disconnect all the wire connected on the AD board carefully and
release the 2 screws to replace the defective AD board.
PLEASE DON’T FLIP DOWN THE LCD SCREEN IN CASE DAMAGE
NOTE: DO NOT USE POWER TOOL TO INSTALL THE SCREW FOR THIS MARKED AREA, IT MIGHT DAMAGE THE WIRE INSIDE OF THE UNIT.