Daktronics BA-1518 Multi-Section Outdoor LED Scoreboard - Manual (Page 49)

TNMC & Electronic Caption Troubleshooting & Maintenance 43
For Displays Built Before September 2009
The display driver receives signal from the control console via a signal surge arrestor card
and sends data to the modules. Refer to Section 6.4 for more information on signal routing.
The driver itself is detailed in Drawing A-166216 in Appendix A. Figure 38 illustrates a
display control assembly with a 4-column MASC driver.
Connectors J25 and J26 control Home and Guest displays. When the ribbon cable is plugged
into J25, the TNMC displays home team information. In the opposite message center, the
signal cable should be plugged into the J26 connector to display guest information.
J19 is the connector for the address plug. The address setting for a TNMC will always be 221.
(There may be other settings if the TNMC is used to display messages other than team
names.) For electronic captions, the driver address must be set to “227” (Time Outs Left
captions require address “225”). Refer to Drawing A-115079 in Appendix A for more
information on setting the driver address.
Figure 37: 4 Column MCAST Driver
Figure 38: Control Assembly (4 Column MASC Driver)