APX 525/625 Generators Revision C Table of Contents
©
2005 Del Medical Imaging Corporation
7/5/2005 Page iv
Calibration of SCR Hold Off Time ................................................................149
Boost Time Adjustment................................................................................150
AEC Inspection and Calibration ...................................................................151
AEC Cable Interconnections........................................................................151
Connections for Ion Chambers on Main AEC Board .........................151
AEC Communication Link Checkout .................................................152
AEC Device Field Calibration Procedure ..........................................154
Required equipment: ..............................................................154
Calibration Procedure.............................................................155
Preliminary Gain Adjustments...........................................................156
For the Table Image Receptor................................................156
For the Wall Image Receptor..................................................156
kV Compensation Adjustments .........................................................157
Secondary Gain Adjustments .................................................159
Back-Up Timer Test ...............................................................159
Maintenance...........................................................................159
SCHEMATICS........................................................................................................162
DIAGNOSTICS.......................................................................................................163
Troubleshooting Topics for the APX 525/625 Generator .............................163
No Ready Light .................................................................................163
Ready Light is Active, but No Exposure Occurs................................164
kV Faults ...........................................................................................165
Category I - Consistent kV Fault.............................................166
Category II - Intermittent kV Fault...........................................169
No Load Test..........................................................................173
Long Exposure Times with Light Films..............................................174
Long Exposure Times with Dark Films..............................................174
Apparent Small Focus Open Filament Condition ..............................174
No mA Feedback ..............................................................................174
No kV Feedback or Improper kV Feedback ......................................174
Theory of Operation.....................................................................................175
USING THE DEL APR UTILITY TO MANAGE APR DATABASES ......................187
Installation of the program ...........................................................................187
Necessary Hardware ...................................................................................188
Operating the program.................................................................................188
Initial optimization of the APR database ......................................................190
Creating New Anatomical Views..................................................................192
Uploading Modified APR Files .....................................................................193
Error Messages ...........................................................................................194
Interface Cable ............................................................................................195
RENEWAL PARTS ................................................................................................196
APX 525/625 Control, Power Module, and AEC Device ...................196
110-0028G2 High Frequency Transformer .......................................198
PERIODIC MAINTENANCE...................................................................................199
General Notes..............................................................................................199
Test Equipment Required .................................................................199
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