Maintenance and Replacements
8–6
1070 073 825-103 (02.04) GB
4. Remove the plug from the PC and all PE connections from the PC hou-
sing.
5. The PC is fastened to the upper edge of the plastic frame with 2 screws,
and secured with a safety chain against falling off the frame. Unscrew the
two fastening screws and pull the PC down as far as the safety chain per-
mits.
Replacing the Display/Backlight:
6. Unplug the LCD ribbon cable and the backlight inverter cable from the
LCD mounting frame.
7. Unfasten the safety chain of the PC housing. While doing so, hold the PC.
Remove the PC by lifting it out of the lower swing bearings of the plastic
frame.
8. Unfasten the 4 fastening screws of the LCD mounting frame. Now you
can pull out the display and its holding fixture.
9. It is also possible to replace only the two backlights.
10.Reassemble the components in the reverse sequence to that described
above.
.
When remounting the hard disk, make sure that cables, especially
those between display and PC housing, are not flattened or squeezed.
CAUTION
Use only the same type of displays!
Only insert backlights complying with the display!
Testing the new component:
11. In the event that, after booting the system, the display does not produce
an image, check for the following:
D
Positive connection of plug connectors and cables
D
Proper seating and positive contact of backlight unit
Summary of Contents for CPS21_3
Page 1: ...Antriebs und Steuerungstechnik CPS21_3 CPS21_4 Interface Conditions Industrial PC Edition 103 ...
Page 90: ...Display and Control Elements 7 18 1070 073 825 103 02 04 GB Notes ...
Page 100: ...Maintenance and Replacements 8 10 1070 073 825 103 02 04 GB Notes ...
Page 102: ...Spare Parts 9 2 1070 073 825 103 02 04 GB Notes ...