Figure 6-8 Controller Pwb C - Overland Data DLT LibraryXpress Series Service Manual

Figure 6-8
Removal
Refer to Figures 6-7 and 6-8.
1. Remove the cover plate as described in this chapter.
2. Remove the Power Supply Assembly as described in this chapter.
3. Disconnect the control panel cable and the 4-pin lock switch assembly cable near
the front of the PWB.
4. In the LXB and LXC, disconnect the Global Control RS-232 connector (labeled
'Slave Comm RS-232'), and, in the Base Module, the drive RS-422 connectors
(labeled 'Drive1 RS-422' and 'Drive2 RS-422) On a Global Control Module,
remove the trace connector cable.
5. Slide the PWB out about one-third of the way.
6. Disconnect the 5-pin magazine opto sensor cable above the connector labeled
'Picker Module.'
7. Disconnect the 5-pin door sensor cable in the front row.
8. Slide the Control PWB out to the first set of guides, leaving about two inches of
width protruding from the chassis.
9. Disconnect the 14-pin shuttle cable (labeled 'Picker Module') at the bottom edge of
the PWB.
10. Disconnect the 6-pin leadscrew motor cable above the power connectors. In the
Global Control Module, remove the 6-pin elevator motor cable.
Chapter 6 - Parts Removal and Replacement
Controller PWB Connector Locations, Early Base Module
97