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Hologic QDR 4500 - Page 8

Hologic QDR 4500
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viii
TARGETING/LASER PROBLEMS .........................................................................................................................6-8
DATA COMMUNICATIONS PROBLEMS.............................................................................................................6-8
AREA /BMD/BMC/CV SPECIFICATION PROBLEMS.........................................................................................6-9
X-RAY PROBLEMS.................................................................................................................................................6-9
No X-Rays.............................................................................................................................................................6-9
X-Ray Alignment Problems ................................................................................................................................6-10
Beam Flattening Problems ..................................................................................................................................6-11
LASER PROBLEMS...............................................................................................................................................6-12
OIL LEAKAGE.......................................................................................................................................................6-13
The Torque Specifications...................................................................................................................................6-13
Tank Top Cover Components and Screw Location.............................................................................................6-13
Tightening the Lexan Cup Screws.......................................................................................................................6-14
Tightening the Bladder Gasket Screws................................................................................................................6-14
Tightening the Transformer Seal Screws.............................................................................................................6-14
Tightening the Tank Cover Gasket Screws..........................................................................................................6-15
MISCELLANEOUS PROBLEMS ..........................................................................................................................6-16
MESSAGES ............................................................................................................................................................6-16
NO A/C LINE INTERRUPTS.................................................................................................................................6-17
ERROR MESSAGE LIST.......................................................................................................................................6-19
SECTION 7 PREVENTIVE MAINTENANCE...............................................................................7-1
CUSTOMER PREVENTIVE MAINTENANCE ......................................................................................................7-1
FIELD SERVICE PREVENTIVE MAINTENANCE...............................................................................................7-1
Guide Rail and Bearing Maintenance....................................................................................................................7-2
SECTION 8 PCB SUMMARY INFORMATION ...........................................................................8-1
Power Distribution................................................................................................................................................8-1
ADC......................................................................................................................................................................8-1
Signal Distribution ................................................................................................................................................8-2
Communications Controller ..................................................................................................................................8-2
Detector Array Assembly......................................................................................................................................8-3
TZ Drive................................................................................................................................................................8-3
Stepper Motor Controller......................................................................................................................................8-4
Control Panel Controller.......................................................................................................................................8-4
SECTION 9 SOFTWARE TOOLS...............................................................................................9-1
SUSQ ....................................................................................................................................................................9-1
SQKEYPAD .........................................................................................................................................................9-4
APPENDIX A SOFTWARE DEINSTALLATION/INSTALLATION...................................................1
APPENDIX B CROSS-CALIBRATION ............................................................................................1

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