9 maintenance and inspection, Replacing the backlight, Maintenance and inspection -56 – IDEC High Performance Series User Manual
Page 1372: Warning, Caution
![background image](/manuals/350385/1372/background.png)
4 HG2F
34-56
WindO/I-NV2 User’s Manual
4.9 Maintenance and Inspection
Maintain and inspect the HG2F periodically to ensure the best performance. Do not disassemble, repair, or modify the
HG2F during inspection.
●
Replacing the Backlight
Replace the backlight according to the procedure as follows:
1
Turn off the power to the HG2F, and disconnect the power supply cable.
2
Loosen and remove four screws from the corners on the rear case.
3
Disconnect the backlight cable from the rear case as below !
4
Open the case.
Display
Wipe any stain of the display using a soft cloth slightly dampened with neutral detergent or
alcoholic solvent. Do not use solvents such as thinner, ammonia, strong acid, and strong
alkaline.
Terminals, Connectors
Check the terminals and connectors to make sure of no loose screws, incomplete insertion, or
disconnected lines.
Mounting Clips
Make sure that all mounting clips and screws are tightened sufficiently. If the mounting clips are
loose, tighten the screw to the recommended tightening torque.
WARNING
• Make sure to turn off the power to the HG2F before replacing the backlight; otherwise, product
breakdown, electric shock, or fire may occur.
• The backlight may be hot. Make sure to wear gloves when performing the replacement work.
CAUTION
Hold the connecter when disconnecting the cable. Do not pull the cable.
Backlight cable
CAUTION
When opening the case, make sure that three flat cables are not disconnected.
Flat cable