3-18 Installation and Service Guide
Power Supply (Models 380, 390, 39H, and 397)For a translation of the following notice, see
System Unit Safety Information
, order number
SA23-2652.
DANGER
Do not attempt to open the covers of the power supply. The power supply is
not serviceable and is to be replaced as a unit.
Removal 14. Set the power switches of the attached devices to Off.
15. Set the power switch of the system unit to Off.
16. Unplug the power cord from the electrical outlet first, and then disconnect from the
power supply.
17. Do the “Top Cover” removal procedure on page 3-4.
18. Disconnect all power supply cables.
19. Loosen the power supply mounting screw at the front of the power supply unit.
20. Lift the front of the power supply slightly, and then slide it forward approximately 5mm
and then lift it out.
P3 (Disk) P2
P25
P27 (Rear Fan)
Front
P26
(Front Fan)
P4 (Disk)
(Media)
(On/Off)
P30
P28
P29
Power
Control
I/O Power
Connector
Models 380, 390, 39H