10
Replace the A25 Rear Panel Board
for this procedure.
1. If present, disconnect W10 from the A25 Rear Panel Board.
2. Disconnect W32 from the A25 Rear Panel Board.
3. Using the 9/16” nut driver, remove the nuts on the EVENT 1, EVENT 2, PATT TRIG IN, and BURST
GATE IN connectors (1).
4. Using a small Phillips screw driver, remove the two screws from the DIG I/Q I/O connector (2).
5. Using the 5 mm nut driver remove the shoulder nuts and washers from the AUX I/O connector (3).
6. Remove the A25 Rear Panel Board from the chassis.
7. Install the new A25 Rear Panel Board by reversing steps 1 thru 6.
8. Torque all BNC nuts to 21 in-lbs.
Figure 2
A25 Rear Panel Board