Removal and Installation Procedures
Slave Circuit Board
Removal
The Slave Circuit board is located on the left side of the power supply when
viewed from the front. See Figure 6-2 for the location of the Slave circuit board.
To aid in locating the connectors referred to in this procedure, see Figure 9-2
in the Diagrams section.The removal of other circuit boards is not necessary
to perform this procedure.
NOTE
Remember to label each connector as you disconnect them.
1.
Unplug J301 from the Slave circuit board.
2.
Unplug J3023 and J1023 from the Slave circuit board.
3. Unplug J1111 from the Slave circuit board.
4.
Unplug J1033 from the Slave circuit board.
5. Unplug J101 from the Slave circuit board.
6. Unplug
J1101
from the Slave circuit board.
7. Remove the two screws, lock washers, and flat washers securing the
circuit board.
8. Tilt the Slave circuit board out slightly and unsolder the two individual
wires at locations
S1
and S2.
9. Tilt the
v
Slave circuit board further out and unsolder the two individual wires
at locations
M1
and M2.
10.
Remove the circuit board by lifting it up and out of the bottom chassis
board slots.
11.
Installation of the Slave circuit board is done in the reverse order noting
the following items:
a. Make certain not to pinch any wires underneath the circuit board.
b. The wires from
J101
at the bottom of the circuit board should pass
through the cut-out in the bottom of the board.
c. Make certain that the circuit board is sitting in the circuit board slots in
the bottom chassis.
REV AUG
1991
Maintenance
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