Power Switch; Power Supply Assembly - Overland Data DLT LibraryXpress Series Service Manual

Replacement
Refer to Figure 6-18
1. Place the Multiplexer PWB inside the chassis with so that the eight connectors
protrude through the holes on the back of the chassis.
2. Install sixteen 4-40 jackscrew sockets with split lock washers, one at each end of
each connector.
3. Connect the two ribbon cables to the connectors on the Multiplexer PWB.
4. Replace the cover plate as described in this chapter.

Power Switch

Removal
Refer to Figure 6-19.
1. Remove the cover plate as described in this chapter.
2. Remove the Power Supply Assembly as described in this chapter. It not necessary to
disconnect the ring lug from the ground stud in the bottom of the chassis.
3. Disconnect the four spade lugs at the front panel AC power switch.
4. Squeeze the plastic retainers on the sides of the power switch and push the switch
out the front of the Front Panel.
Replacement
Refer to Figure 6-19.
1. Orient the switch so that the "0" is on the left.
2. Push the switch through the front panel until the plastic retainers snap into place.
3. Connect the four spade lug connectors. Refer to the inset in Figure 6-19 for
orientation of the colors.
4. Replace the Power Supply Assembly as described in this chapter.
5. Replace the cover plate as described in this chapter.

Power Supply Assembly

It is necessary to remove the Power Supply Assembly to gain access to the power switch, the
Control Panel Assembly, and the Controller PWB. In addition, you may find it easier to
remove the Power Supply Assembly in order to remove or replace the Door Opener/Magazine
Lock Assembly and the Fan. There are two versions of the power supply mounting. The
removal and replacement procedures are identical except for a few of the steps.
Removal - Current Production
Refer to Figure 6-19.
114 Chapter 6 - Parts Removal and Replacement