Fujitronic Programmable Operation Display UG520H-x - Manual (Page 262)

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UG320HD
UG320HD Backlight Unit Replacement
(Required Tool)
Screwdriver
Do not touch cables and boards that are not associated with backlight
unit replacement. Doing so may result in failure.
When replacing the backlight, take appropriate preventive measures
against static electricity.
* The point of measures against static electricity is to keep the entire workplace including humans at
the same electric potential. Use an anti-static wristband or mat to prevent static electricity.
1. Turn the POD over, and remove the 9 external screws.
Place it on a cloth, etc. to protect the display panel from scratches.
Screws
Rear external case
2. Remove the rear external case.
Do not remove the gasket.
Connector B
Front external case
Ribbon cable
Connector C
Connector A
Connector E
Gasket
Ribbon cable
Connector D
3. Remove the connectors A to E.
Hold the connector and pull it out. Do not twist or yank on the cable
then.
* Leave position marks on the connectors B and C, A and D to check the positions when reattaching
them.
7 How to Replace the Backlight Unit