Daktronics Galaxy AF-3200 Series, Manual

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4.6 Service and Diagnostics
Reference Drawings:
Component Layout, AF-3190-**X***- 89mm ............... Drawing B-181666
The following sub-sections address servicing of the below display components:
•
Line filter and ground bar
•
Modules, drivers, and power supplies
The sub-sections also address any diagnostic LEDs, fuses and signal/power
connectors found on the components.
Drawing B-181666 denotes the components as follows:
Component… Denoted As… Location…
Line Filters and Ground
Bar 0A-1259-4003 Left side, behind module AX02
Modules 0A-1259-3104 or
0A-1259-3105
Over entire face of the display
Power Supplies 0A-1259-4402
0A-1259-4405
0A-1259-4410 Behind the modules; refer to
Drawing B-181666
4.7 Line Filter
Reference Drawings:
Z Filter Assy, 2 W/Grnd Bar......................................... Drawing A-158472
Schematic, AF-3400-(8-48X32-112)-89-Mono-*-* ....... Drawing A-177829
You can replace the line filter by first labeling and removing all connecting wires,
and then releasing the attachment hardware. Refer to
Drawing A-158472 . Install the
new filter and reference Drawing A-177829 for correct wiring.
4.8 Modules, Pixel Strips and Drivers
Reference Drawing:
Driver Assy; AF-3190-8x8-89mm-Mono ...................... Drawing A-178210
Module Panel, AF-3190-8x*-89mm-Amber ................. Drawing B-178218
Module Panel, AF-3190-8x8-89mm, Red .................... Drawing B-178220
A module consists of louvers, 16 pixel strips per module, and a driver board mounted
to the back. Refer to
Section 4.2 to open a display and access the modules, pixel
strips, and driver boards. Refer to Drawings B-178218 and B-178220 for module
assembly.
A pixel strip is a circuit board with four LED pixel clusters mounted directly on it.
Each pixel strip is removable from the module. To remove a pixel strip from the
module:
1. Open the display as described in Section 4.2
2. Disconnect the power and signal connector from the strip you wish to
replace.
Maintenance and Troubleshooting
4-4