Digital Equipment STARION 20 Series, Service Maintenance Manual

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Digital STARION 9xx & 20xx PC Service Procedures
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Removing the Power Supply
To remove the power supply:
1) Turn off the computer.
2) Disconnect external devices, ac power and monitor power.
3) Remove cover.
4) Disconnect power supply cabling from main logic board noting the proper orientation.
5) Disconnect power supply cables from all devices.
6) Loosen two screws securing power on/off switch to chassis.
7) Remove screws securing power supply to chassis (bracket on bottom of case (one) and rear panel
(four).
8) Remove power supply and power on/off switch from the chassis.
Figure 3 - 11 Removing the Power Supply