78Installation and Service Guide Color Controller E-46A
Replacing parts
Power supply
This section describes how to remove and replace the power supply. For more information about the power supply, see
“Physical specifications” on page 128.
To remove the power supply
1 Shut down the E-46A, remove all cables from the back, and then open the system (see page 51).
To remove the power supply, you must remove the left and right panels.
2 Remove the 24-pin power cable from connector J18 on the motherboard.
3 Remove the 8-pin power cable from connector PWRCONN1 on the motherboard.
4 Remove the SATA power cable from the hard disk drive.
5 Detach the SATA power cable from the power connector of the dual cable for the DVD drive.
6 Detach the 8-pin power cable from the connector from the Fiery QuickTouch.
7 Remove any tie-wraps securing the power cables to the chassis.
8 Place the E-46A in the upright position.
9 Remove the motherboard from the chassis (see page 62).
10 Remove the four connector panel screws that secure the power supply to the back of the chassis (see Figure 39).
11 While squeezing the power supply unit, remove the inside screw with washer.
Do not open the power supply for service or troubleshooting purposes. Opening the power supply
will void the warranty.
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