Agilent Technologies 6631B

69
D
Line Voltage Conversion
WARNING: Shock Hazard Operating personnel must not remove instrument covers.
Component replacement and internal adjustments must be made only by qualified
service personnel.
Open the Unit
♦ Turn off ac power and disconnect the power cord from the unit.
♦ Remove the four screws that secure the cover (use a #2 Pozi drive).
♦ Slightly spread the bottom of the cover and pull it back to remove it from the unit.
Configure the Power Transformer
♦ Locate the ac input wiring harness on the left side of the transformer.
♦ Use a needlenose pliers and connect the ac input wiring harness according to the information in the
following figure:
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white/red/grey
jumper
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white/red/grey
jumper
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white/red/grey
jumper
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white/red/grey
jumper
spare
Figure D-1, Power Transformer AC Input Connections