Daktronics Galaxy AF-3155, Manual, Page: 45 / 87

Maintenance and Troubleshooting
4-3
4.4 Service and Diagnostics
Reference Drawings:
Power Termination Box................................................ Drawing A-129227
Assy, Power Box, A-1577@2....................................... Drawing A-135118
Controller, 8-conn., J-1087 .......................................... Drawing B-177838
Component Layout Diagram .................................... Refer to Appendix A
Schematics............................................................... Refer to Appendix A
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. On the
Schematics and Component Layout
Diagrams , the components are denoted as follows.
Component… Denoted As… Location…
Filter and
Transformer
0A-1241-4005 Inside the power termination box
Controller 0A-1229-0005 Depends on the size of the display.
(usually behind the bottom left
module, or module one row above)
Modules Squares (0A-1266-2551)
A101 through A309
Over entire face of the display
(includes driver)
Power Supplies 0A-1289-4013
or
0A-1289-4014
Behind modules (refer to your
display’s Schematic )
Light Detector 0A-1247-0003 Behind\below the bottom left module
Modem 0P-1279-0003 Refer to the display’s Schematic
Fiber Board 0P-1127-0024
Refer to the display’s Schematic
RS422 Surge Card 0P-1146-0031 Refer to the display’s Schematic