Daktronics ColorSmart BB-3101, Руководство пользователя, Страница: 40 / 122

34 TNMC & Electronic Captions Maintenance & Troubleshooting
7.6 Modules
Display modules consist of LEDs embedded in a circuit board. One or more circuit boards are
mounted to the back of a display face panel. Do not attempt to remove individual LEDs. In
the case of malfunctioning LEDs, replace the entire module circuit board.
Replacing Modules
1. Access the internal components as described in Section ‎ 7.5 .
2. Carefully disconnect all ribbon cables from the driver by squeezing together the locking
tabs and pulling the connectors free.
Note: It may be helpful to label the cables to know which cable goes to which connector
when reattaching.
3. Remove the nuts securing the module circuit board to the face panel.
4. Position a new module on the front of the face panel and reconnect all ribbon cables.
5. Reattach the module to the face panel.
6. Power up and test the scoreboard/display to see if the problem has been resolved.
Refer to
Figure 20 for an overview of module (and driver) replacement.
7.7 Power Supplies
Replacing a Power Supply
1. Access the internal components as described in Section ‎ 7.5 .
2. Remove the two screws securing the power supply bracket, and remove it from the
display cabinet.
3. Disconnect all the wires connected to the power supply.
Note: It may be helpful to label the cables to know which cable goes to which connector
when reattaching.
4. Remove the three screws securing the power supply to the bracket, and attach the new
power supply to it.
5. Reconnect all wires, and mount the power supply bracket inside the display cabinet.
Figure 20: Replacing a Module, Top View