User Manual

System Components
Backplane Mother Board
The Backplane Mother Board mechanical and electrical details are shown in
Figure 12. The schematic for the Mother Board may be found in the
Appendix of this manual. There are four separate card slots on the mother
board and any of the slots can be used for the PA control board. However,
the PA control board is usually installed in last slot on the left. Also contained
on the mother board is a regulator required to provide the +5 VDC supply to
the PA control board and the display monitor. A 12VDC variable regulator is
also located at the motherboard to provide the drive voltage requirement for
the pre-amp.
Figure 12 – Transmitter Backplane Board
Version 3 3-15 07/18/01