Fujitronic Programmable Operation Display UG520H-x - Manual (Page 258)

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15. Place the LCD module with the display panel side down.
Place it on a cloth, etc. to protect the display panel from scratches.
16. Release the lock of the backlight unit (CFL unit). Remove the unit by pulling it up.
Backlight units (CFL units)
LCD module (rear)
Lock Lock
17. Attach a new backlight unit (CFL unit).
* Make sure that the lock is secured.
When taking a new backlight unit out of the bag, do not twist or yank on
the cable.
Backlight units (CFL units)
LCD module (rear)
18. Place the LCD module with the display panel side up.
19. Attach the LCD module to the inside case.
* Insert the connectors B and C into the inside case.
Inside case
LCD module
Connector B
Connector C
7 How to Replace the Backlight Unit