Service manual

Servicing Your Mainframe 49Chapter 3
Replacing the
Agilent E8403A
Power Supply
1. Turn off the mainframe and remove the power cord.
2. Remove the rear panel. Refer to “Removing the Rear Panel from the
Mainframe” on page 45 for instructions.
3. Using the rings on the power supply, gently pull the supply out from
the plastic connectors on the backplane adapter board. Do not carry
the supply using the rings.
4. Install the exchange power supply. Keep the replacement power
supply to the far right in the mainframe. Make sure the supply is
firmly inserted into the backplane connectors.
5. Replace the rear panel. Make certain that all 14 screws are secured.
Figure 3-5. Removing the Agilent E8403A Power Supply