IDEC High Performance Series - Manual (Page 1383)

WindO/I-NV2 User’s Manual 34-67
5 HG3F/4F
34
MICRO/
I Specif
ication
s
5.9 Maintenance and Inspection
Maintain and inspect the HG3/4F periodically to ensure the best performance. Do not disassemble, repair, or modify
the HG3/4F during inspection.
●
Replacing the Backlight
To replace backlight please follow the procedure below:
■ HG3F
1 Turn off the power to the HG3F, and disconnect the power supply cable.
2 Remove the screws from the main unit rear panel, and carefully separate the rear case from the front case.
3 Peel the protective film on the window.
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 HG3/4F 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
Take extra care during this process. Otherwise, dust particle may enter between the surface sheet
and the touch panel during backlight exchange. Therefore, make sure the environment is clean.
When in doubt please ask your nearest sales representative