Dell Precision 3630 Tower Service Manual - Page 42

Power supply unit, Removing the power supply unit

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3. Close the PSU hinge. 4. Install the Cover. 5. Follow the procedure in After working inside your computer. Power supply unit Removing the power supply unit 1. Follow the procedure in Before Working Inside Your Computer. 2. Remove: a. Cover b. Heatsink assembly 3. Open the PSU hinge 4. Disconnect the following cables: ● For systems shipped with 65 W/80 W CPU system configurations: a. Disconnect the optical-drive power cable from the optical drive [1]. b. Disconnect the CPU-power cable and system board power cable from the system board [2,3]. c. Unroute the CPU power cable from the routing guide on the chassis [4]. 42 Disassembly and reassembly

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3.
Close the
PSU hinge
.
4.
Install the
Cover
.
5.
Follow the procedure in
After working inside your computer
.
Power supply unit
Removing the power supply unit
1.
Follow the procedure in
Before Working Inside Your Computer
.
2.
Remove:
a.
Cover
b.
Heatsink assembly
3.
Open the
PSU hinge
4.
Disconnect the following cables:
●
For systems shipped with 65 W/80 W CPU system configurations:
a.
Disconnect the optical-drive power cable from the optical drive [1].
b.
Disconnect the CPU-power cable and system board power cable from the system board [2,3].
c.
Unroute the CPU power cable from the routing guide on the chassis [4].
42
Disassembly and reassembly