REPLACING PARTS 73
Power supply
For more information on the power supply, see “Specifications” on page 115.
Do not open the power supply for service or troubleshooting. Opening the power supply will
void the warranty.
TO REMOVE THE POWER SUPPLY
1 Shut down, and then open the E-43A (see pages 43 and 44).
To access the power supply, you must remove the left panel.
2 Remove the power cable from the hard disk drive.
3 Remove the power and data combination cable from the DVD drive.
4 Remove the 24-pin motherboard power cable from motherboard connector ATX24P_1.
5 Remove the 4-pin CPU power cable from motherboard connector J18.
6 Remove the tie-wrap securing the power cables to the chassis support beam.
7 Remove the ferrites that are installed around the hard disk drive power cables.
Carefully pry open the latches on the sides of the ferrites and remove the ferrites from the
cables. Set the ferrites aside so that you can replace them later.
8 Remove four of the five screws that attach the power supply to the back of the chassis
(see Figure 28 on page 74).
9 While supporting the power supply, remove the fifth screw.
Set the screws aside so that you can replace them later.
10 Lift the power supply out of the chassis.
Carefully gather the power supply cables as you remove the power supply.
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