User`s manual

34 AWS-842TPB/SPB User's Manual
4.3 LCD Maintenance
In the normal working life of the AWS-842TPB/SPB, you may
have to replace the inverter, LCD or LCD backlight. Follow these
instructions:
1. Open the top and rear cover. (See Fig. 2-1.)
2. Disconnect the cable from the LCD controller and LCD.
3. Pull out the bracket which is located below the backplane.
4. Detach the bracket behind the front panel.
5. Disconnect the cables of the inverter, and the cables of the
touchscreen controller (if applicable). Pull out the LCD bracket
to change the inverter.
6. Unscrew the four screws, and pull out the LCD very carefully.
7. Unscrew the screws on the LCD (see Fig. 4-3), and then change
the backlight.
Warning: The backlight is small and fragile. Use caution
when handling or replacing it.