Daktronics BA-1518-11 Multi-Section Outdoor LED Scoreboard - Manual (Page 51)

The following subsections address servicing of the following display components:
+ TNMC Interface Card
+ TNMC Controller
+ Modules and Drivers
+ Power Supplies
The subsections also address any diagnostic LEDs, fuses and signal/power connectors found on the
unit. On Drawings A-143808, A-144323, A-145045, the TNMC components are denoted in the table
on the following page.
Description Part Number Location
TNMC interface card 0A-1146-0016 Behind modules, on TNMC back panel (refer
to Drawing A-145045)
TNMC controller 0A-1146-0061 Behind modules, on TNMC back panel
(refer to Drawing A-145045)
Modules 0A-1208-3002 Over entire face of the TNMC (refer to
Drawings A-143808 and A-144323)
Power supplies 0A-1213-4013 Behind modules and attached to power
supply assembly 0A-1213-4013 on the back
panel (refer to Drawing A-145045)
>>Remember: Disconnect power before servicing internal components!
TNMC Current Loop Interface Card
The CLI card, located on the rear-access panel of the TNMC, translates the signal media to
TIA/EIA-232 (formerly RS-232) for use within the components of the TNMC. The signal
transfers into the TNMC controller where that component interprets and distributes the data to
the modules. Refer to Drawing A-145045.
TNMC Maintenance 9-3