Daktronics Galaxy AF-3200 Series, Руководство пользователя

Страница: 29 / 79

3. If the pixel strip you wish to replace is located behind the driver assembly,
label and unplug all signals and power connections on the driver assembly
and remove the four corner screws. Refer to
Drawing A-178210 .
4. Remove the six wing nuts holding the pixel strip in place.
5. Gently lift the strip from the display.
6. Reverse the above procedure to install a new pixel strip.
The driver is a circuit board responsible for switching the intensity levels of the
LEDs. It is located inside the driver box and mounts on the back of the module. To
remove a driver board:
Figure 20: Driver Board
1. Open the display as described in Section 4.2
2. Loosen the two #10 screws holding the driver cover in place.
3. Lift the cover off from the assembly. Refer to Drawing A-178210 .
4. Label and disconnect all power and signal connections from the driver
board.
5. Remove the four #6 nuts holding the board in place.
6. Gently lift the board from the display.
7. Reverse the above procedure to install a new driver board.
The following connectors are found on each driver board; refer to
Figure 20
:
LED/Connector Function
J1 Signal out to next driver board
J2 Signal in
J3-J10, J12-J19 Output to pixel strips
J11 Power
DS1 Power indicator
Maintenance and Troubleshooting
4-5