4.4 Service and Diagnostics
Reference Drawings:
F. Assy, AF-3112-2480-34...........................................
Drawing B-200259
Schem, AF-3112-8-32X***-34mm-Mono-PM...............
Drawing C-200002
Remember:
Disconnect power before servicing any internal components.
The following sub-sections address servicing of the following display components:
•
transformer, RFI filter
•
controller
•
modules, drivers and power supplies
The sub-sections also address any diagnostic LEDs, fuses, and signal/power
connectors found on the unit. A general display component layout is shown in
. See the schematic,
Drawing C-2000002
, for exact number of fans and
power supplies used for your display size and see
Drawing B-200259
for component
locations.
Note:
The controller, light sensor, and quick connect output board are
only loaded in the primary display.
Figure 34: General Display Component Layout
The table below give the part number for some of the various components used in
your display. In addition, the label on the part can also be used for further
identification.
Component
Denoted As
Location
Filter and Transformer
0A-1301-0501(Primary)
0A-1301-0502 (Mirror)
Inside the power termination box
Controller
0A-1229-0005
Inside the controller/power panel
(behind the bottom left module)
Modules 0P-1301-1000
Over entire face of the display
(includes driver)
Power Supplies
A-1591 (red)
A-1633 (amber)
Behind modules (refer to the
display’s
Schematic
)
Light Detector
0A-1301-0500
In top left corner of door
Maintenance and Troubleshooting
4-3
