Agilent 5DX Service Guide 1-11
5DX Series 3 5DX Overview
Safety Interlock Subsystem
The Safety Interlock Subsystem prevents the X-ray, Laser and Motion Driver
assemblies from operating in the event that any access panel is open. The Safety
Interlocks are used to prevent injury to personnel, the 5DX System and printed
circuit assemblies under test
X-ray High Voltage Power Supply
The X-ray High Voltage Power Supply provides -160 kilovolts dc of conditioned
power required to operate the X-ray Tube. It also supplies +15 volts dc and -15
volts dc for the X-ray Tube Electronics. The X-ray HV Power Supply also
provides software controlled monitoring facilities, necessary to maintain a stable
X-ray source.
The X-ray High Voltage Power Supply produces -160 kilovolts dc of conditioned
power to drive the X-ray Tube, +15 volts dc and -15 volts dc for the X-ray tube
electronics. The X-ray High Voltage Power Supply is discussed in the power
subsystem chapter
127(
The X-ray Tube Dielectric Pressure Sensor is also connected to the
Safety Interlock Subsystem, and will automatically shut OFF power
to the X-rays if the vessel pressure falls below safe operating limits
(less than 2.8 kg/cm2 (40 psi)).
WA R N I NG There are high voltages inside of the X-ray High Voltage Power Supply and
running through the High Voltage Cable. There are no User serviceable
parts inside of the X-ray High Voltage Power Supply. Do Not attempt to
open or otherwise service this item. Do Not remove the High Voltage Cable.
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