Fujitronic Programmable Operation Display UG520H-x - Manual (Page 257)

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10. Remove the 3 screws fixing the inside case.
Inside case
Screws
Front external case
Screw
LCD module
11. Remove the inside case from the front external case.
12. Place the inside case with the display panel side up.
Take care not leave scratches, fingerprints, or dirt on the display panel.
13. Remove the 4 screws fixing the LCD module.
Inside case
Screws
LCD module
14. Remove the LCD module from the inside case.
LCD module
7 How to Replace the Backlight Unit