Fujitronic Programmable Operation Display UG520H-x - Manual (Page 238)

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20. Place the LCD module with the display panel side up.
21. Attach the LCD module to the inside case.
* Insert the cable and two ribbon cables into the inside case.
Ribbon cables
Inside case Ribbon cables
LCD module
Inside case
LCD module cable
Backlight unit (CFL unit) cable
22. Attach the 4 screws to fix the LCD module.
LCD module Screws
Inside case
23. After attaching the LCD module to the inside case, place it with the display panel side down.
Place it on a cloth, etc. to protect the display panel from scratches.
24. Attach the inside case to the front external case.
Do not allow the entry of dust or particles to the area between the inside
case and the front external case.
25. Attach the 8 screws.
7 How to Replace the Backlight Unit