Daktronics AB-1600-1.5,2.5 - Manual (Page 55)

Maintenance & Troubleshooting
4-19
A vertical shift board is in Figure 55. The following is a
description of the connections on the vertical shift board.
J1 – Data Out: Signal is sent from this connector to the next
lampbank in a row.
J2 – Input: This connector receives signal from the line
receiver or the vertical shift board above it.
J3 – Output: Signal is sent from this connector to the vertical
shift board below.
Complete the following steps to remove a vertical shift board.
1. Remove the appropriate lens/reflector assembly as explained in Section 4.7 above.
2. Disconnect any remaining signal cables from the vertical shift board.
3. Remove the nut holding the board in place.
4. Remove the board from the lampbank.
Figure 55: Vertical Shift Board