Parts Removal and Replacement
5-9
To replace the controller board:
6.
Place the new board on the three guide pins (see Figure 5-8).
cc0079
Guide
Pins
Figure 5-8. Replacing the controller board
7.
Slide the board toward the rear ¼-inch along the pins (see Figure 5-5 and Figure 5-6).
8.
Make sure that you seat the connectors on the back correctly:
a.
Two for the motor connector
b.
Two for the diagnostic connector
9.
Reconnect the following to the controller board:
Note should come AFTER substeps
NOTE:
The magazine and front door solenoids are identical. Carefully follow their cables back to ensure
that you make the proper connections.
a.
SCSI cable
b.
Serial cables for drive 0 (J7) and drive 1 (J6)
c.
Magazine solenoid (J14)
d.
Magazine opto (J12)
e.
Front door solenoid (J11)
f.
Front door opto (J9)
g.
Operating panel harness (J4)
10.
Replace the power supply as described later in this chapter.