The Main Power Supply Assembly - Agilent Technologies 1200 Series Reference Manual

7 Introduction to the Quaternary Pump

The Main Power Supply Assembly

The main power supply comprises a closed assembly (no component-level
repair possibility).
The power supply provides all DC voltages used in the quaternary pump. The
line voltage can vary in a range from 100 – 120 or 220 – 240 volts AC ± 10 %
and needs no manual setting.
Figure 54
To disconnect the instrument from line, unplug the power cord. The power supply
WA R N I N G
still uses some power, even if the power switch on the front panel is turned off.
234
Main Power Supply (MPS) Block Diagram
1200 Series QP Reference Manual