Service manual

9-4 Sun Ultra 2 Series Service Manual • July 1996
9.2 Media Bay Chassis Bracket
To remove and replace the media bay chassis bracket (chassis bracket), proceed as
follows.
9.2.1 Removing the Chassis Bracket
1. Power off the system unit.
See Section 6.2 “Powering Off the System Unit” on page 6-2.
2. Remove the system unit cover.
See Section 7.1 “Removing the System Unit Cover” on page 7-1.
Caution – Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an ESD-protected mat. Store ESD-sensitive
components in antistatic bags before placing it on any surface.
3. Attach the wrist strap.
See Section 7.2 “Attaching the Wrist Strap” on page 7-3.
4. Open the shroud assembly.
5. Remove the chassis bracket as follows (
FIGURE 9-2)
a. Remove the following:
■ Screws securing the chassis bracket to the chassis.
■ DC harness from the clip located on the drive bracket.
b. Disconnect the DC harness from the peripheral power cable at P1.
c. Push the chassis bracket toward the hard drive bay and gently turnit over. Place
the chassis bracket on top of the power supply.
d. Disconnect the SCSI cable from the CD-ROM drive or 4-mm or 8-mm tape
drive.
e. Disconnect the peripheral power cable:
■ From the CD-ROM drive or 4-mm or 8-mm tape drive (P3).
■ From the diskette drive (P2) if any.
f. Disconnect the diskette cable from the diskette drive (if any).