Power Supply
Description
Spare part number
Power supply, 300W
656721-001
Power supply, 300W, 85% efficient
575437-001
Power supply, 250W, PFC
508466-001
WARNING!
Voltage is always present on the system board when the computer is plugged into an
active AC outlet. To avoid possible personal injury and damage to the equipment the power cord
should be disconnected from the computer and/or the AC outlet before opening the computer.
NOTE:
When installing a new power supply, be sure to set the red switch to the setting (230 V or
115 V) appropriate for the country in which the computer is used. Spare power supplies normally
arrive set for 230 V.
1.
Prepare the computer for disassembly (
Preparation for Disassembly on page 48
).
2.
Remove the access panel (
Access Panel on page 49
).
3.
Lay the computer on its side with the rear facing toward you.
4.
Disconnect all power cables from the mass storage devices and from the system board. The
following image points out power connectors in a system with one hard drive and one optical
drive. System configuration may vary.
Figure 7-47
Power supply connectors and cables
96
Chapter 7 Removal and Replacement Procedures – Microtower (MT) Chassis
Содержание Pro 3330
Страница 4: ...iv About This Book ...
Страница 10: ...x ...
Страница 87: ...3 Locate hard disk drive in the computer Figure 7 29 Hard drive location Drives 77 ...
Страница 226: ...W Wake on LAN feature 168 Windows 8 operating system DVD 192 216 Index ...