Philips CARDIOMD Service Manual page 4

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