Calibration
Calibration
Overview ...........................................................................................................................................................................................3
Required Tools and Equipment ......................................................................................................................................................3
Power Supply Calibration................................................................................................................................................................4
DC Power Supply PS1 ..................................................................................................................................................................4
Multi-Output Power Supply PS2....................................................................................................................................................5
Generator Calibration ......................................................................................................................................................................6
High Voltage Supply Regulator (HVSR) Setup .............................................................................................................................6
mA Null Adjustments ................................................................................................................................................................7
PWM Chip Sync Adjustment.....................................................................................................................................................7
Ramp Peak Voltage Adjustment.............................................................................................................................................10
Adjustment of Dead Time Between kV Drive Signals.............................................................................................................11
Differentiator Setup.................................................................................................................................................................13
Stability Pot (R83) Overshoot Adjustment ..............................................................................................................................15
Filament/Duty Cycle Calibration ..................................................................................................................................................18
Using RUT ..............................................................................................................................................................................18
Using UtilitySuite.....................................................................................................................................................................19
Fluorographic Pulsed mA Accuracy Test ....................................................................................................................................20
Entrance Exposure Rate Limits Verification ................................................................................................................................21
Enter mA Limit Values Using RUT..........................................................................................................................................21
Enter mA Limit Values Using UtilitySuite ................................................................................................................................23
Verify mA Limit Values and Maximum HLF ............................................................................................................................24
Dose Area Product Calibration Using RUT .................................................................................................................................25
Dose Area Product Calibration Using UtilitySuite........................................................................................................................34
Beam Alignment.............................................................................................................................................................................44
Beam Alignment Tool to Image Tube Centering .........................................................................................................................45
Image Tube Calibration ...............................................................................................................................................................46
Image Tube Sizing Verification...............................................................................................................................................46
Image Tube Sizing Calibration................................................................................................................................................46
Image Tube Electronic Centering Verification ........................................................................................................................47
1
Service
Periodic Maintenance
Contents
Schematics
Illustrated Parts
Installation
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