How To Change The Backlight For Liquid Crystal - Mitsubishi 900 Series User Manual

7 MAINTENANCE AND INSPECTION

7.4 How to Change the Backlight for Liquid Crystal

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POINT
The backlight of the A95 GOT-TBD, A956WGOT is not allowed to be replaced by
users.
When the backlight must be replaced, contact your nearest dealer or branch office.
The GOT contains a backlight for the liquid crystal of the display device.
The luminance of the back light lowers as it is used.
Change the backlight if the screen of the display device has become difficult to look at
due to the reduced luminance of the backlight.
Change the backlight in the following procedure.
Case fixing screw
1) Turn the GOT's power off.
Remove the wire from the power supply terminal
and also remove the communications cable.
When using the A956GOT, remove the network
module.
2) After loosening the mounting fixtures of the
GOT, remove the GOT from the enclosure.
3) Remove the fixing screws (2 pcs.) in the back of
the GOT with a screwdriver.
4) Remove the case on the back of the GOT.
MELSEC-GOT
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