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9600 Service Manual - gmecorp-usa.com

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OVERVIEW<br />

This section describes the following circuits:<br />

• X-ray Enable<br />

• X-ray On<br />

• X-ray Disable<br />

X-RAY ON/DISABLE<br />

X-rays can be initiated from the control panel, handswitch or the footswitch. Switch<br />

closures are monitored by the Technique Processor PCB via the Analog Interface PCB.<br />

When an X-ray switch is pressed, the XRAYEN and XRAYON signals go active,<br />

enabling the kV and mA servo loops, resulting in the production of X-rays.<br />

The Technique Processor PCB also monitors the XRYDISBL signal from the<br />

Workstation, via the Analog Interface PCB. This gives the Workstation the capability of<br />

prohibiting X-rays by disabling the XRAYON signal.<br />

REFERENCE SCHEMATICS<br />

The theory in this section is best understood when using the following schematics. Use<br />

the correct schematics for your system.<br />

Analog Interface PCB<br />

Schematic #00-876738 - Assembly #00-876740<br />

All system serial numbers<br />

Mainframe Motherboard<br />

Schematic #00-875539 - Assembly #00-900588<br />

System serial numbers 69-0001 thru 69-2000<br />

Schematic #00-878396 - Assembly #00-900970<br />

System serial numbers 69-2001 and up<br />

Power Motor Relay PCB<br />

Schematic #00-875997 - Assembly #875999<br />

All serial numbers

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