Sun Microsystems SPARCstation 5 Service Manual page 62

Caution -
power cord remains connected to a power outlet, hazardous AC voltage is still
present in the power supply primary. Do not attempt to service the power supply
under these conditions. Disconnect the AC power cord prior to handling the power
supply. When servicing any other system component, the AC power cord should
remain connected; it poses no safety hazard.
1. Press the Standby side of the system power switch.
2. Loosen the captive Phillips-head screw in the upper-right corner of the rear
panel (see Figure 7–1).
3. Unscrew the Phillips-head screw that secures the lock block to the cover.
Remove the lock block and put it aside (see Figure 7–1).
Figure 7–1
4. Lift the cover free of the chassis as shown in Figure 7–2.
SPARCstation 5 Service Manual ♦ Revision A, August 1994
48
When the system power switch is in the Standby position, and the AC
Removing the Rear Panel Cover Screws