Fujitronic Programmable Operation Display UG520H-x - Manual (Page 266)

3 - 52
20. Attach the connector A to E.
Check the positions of the connectors with their marks.
21. Visually check that all connectors and ribbon cables are connected securely.
22. Attach the rear external case to the front external case.
23. Attach the external 9 screws.
Screws
Rear external case
7 How to Replace the Backlight Unit