Philips CARDIOMD, Service Manual

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Table of Contents
iv
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CardioMD Service Manual
1MAN0158-H11 04-2005 CSIP Level 1
3.4.2 Laptop Acquisition PC ......................................................................................3-32
3.4.3 PC Connections.................................................................................................3-32
4 Calibration..............................................................................................................................4-1
4.1 Introduction......................................................................................................................4-3
4.2 Detector Calibration.........................................................................................................4-3
4.2.1 Detector Calibrations Overview..........................................................................4-3
4.2.2 Checks Prior to Calibrations ...............................................................................4-5
4.2.3 High Voltage (HV) and PMT Calibration (PMT) ...............................................4-8
4.2.4 Energy Calibration (ECal).................................................................................4-14
4.2.5 Geometry Calibration (GeoCal) ........................................................................4-17
4.2.6 Energy Correction Calibration (ECor) ..............................................................4-20
4.2.7 Spatial Linearity Correction Calibration (LinCor)............................................4-22
4.2.8 Uniformity Calibration (UnifCor).....................................................................4-25
4.2.9 Center of Rotation (COR) Calibration ..............................................................4-30
4.3 Detector Performance Tests ...........................................................................................4-33
4.3.1 Center of Rotation (COR) Analysis ..................................................................4-33
4.3.2 Flood Uniformity Test.......................................................................................4-33
4.4 Motion Calibration.........................................................................................................4-34
4.4.1 Introduction .......................................................................................................4-34
4.4.2 Calibration of Absolute Encoders .....................................................................4-34
4.4.3 Calibration of Y Ultimate End Stop ..................................................................4-36
4.4.4 Calibration of Rotation Ultimate End Stop .......................................................4-36
4.4.5 Calibration of X Ultimate End Stop ..................................................................4-36
4.5 Motion Limit Checks .....................................................................................................4-39
4.5.1 Introduction .......................................................................................................4-39
4.5.2 Verifying Absolute Encoder Calibration...........................................................4-39
4.5.3 Verifying Operation within Software Limits ....................................................4-40
4.5.4 Verifying Ultimate Limit Switches ...................................................................4-41
5 Diagnostics..............................................................................................................................5-1
5.1 Introduction......................................................................................................................5-3
5.2 External LED Indicators ..................................................................................................5-3
5.3 Internal LED Indicators....................................................................................................5-5
5.3.1 LED’s on the Safety Board .................................................................................5-6
5.3.2 LED’s on the Detector Power Supply .................................................................5-8
5.3.3 LED’s on the Detector EDC Boards ...................................................................5-8
5.3.4 LED’s on the Motion Controllers........................................................................5-9
5.4 Test Terminals................................................................................................................5-14
5.4.1 Gantry................................................................................................................5-14
5.4.2 Detector .............................................................................................................5-16
5.5 False Collisions ..............................................................................................................5-19
5.5.1 Locating the Cause of a False Collision............................................................5-19
5.6 Diagnostic Software Utilities .........................................................................................5-25
5.6.1 Motion Controller Diagnostics..........................................................................5-25
5.6.2 EDC Module Diagnostics..................................................................................5-34