Sirona galileos, Руководство по обслуживанию, Страница: 6 / 388

61 25 665 D3437
6 D3437
.
076.01.15
.
02 06.2012
Sirona Dental Systems GmbH
Service Manual GALILEOS
6.8 Error analysis of X-RAY control signal path ................................................. 142
6.8.1 Error analysis of X-RAY control signal path: up to unit serial number
3199 (with board DX41)
142
6.8.2 Error analysis of X-RAY control signal path: from unit serial number
3201 (without board DX41)
147
6.9 Fault diagnosis of the X-ray detector and on board DX89 ........................... 151
6.9.1 LEDs on board DX89 ........................................................................ 152
6.9.2 LED statuses and their significance in case of an error .................... 153
6.9.3 LEDs of operating voltages ............................................................... 154
7
Adjusting/calibrating the unit.................................................................................... 155
7.1 General information about unit adjustment and calibration .......................... 157
7.1.1 Displays and help messages during adjustment/calibration ............. 158
7.1.2 "Service Functions" menu ................................................................. 159
7.1.2.1 Calling the "Adjustment/Calibration" menu...................................... 161
7.1.3 Enabling exposure readiness............................................................ 162
7.1.4 Taking an exposure........................................................................... 162
7.1.5 Save values....................................................................................... 162
7.1.6 Test phantoms for adjustment and calibration .................................. 163
7.1.6.1 Distortion phantom .......................................................................... 163
7.1.6.2 Geometry phantom.......................................................................... 164
7.1.6.3 Constancy test phantom.................................................................. 166
7.2 Checking the mechanical system adjustment .............................................. 166
7.3 Adjustment and calibration via the "Service Functions" menu ..................... 167
7.3.1 Diaphragm image.............................................................................. 167
7.3.1.1 "Type 1/Type 2" diaphragm............................................................. 167
7.3.1.2 "Type 3" diaphragm......................................................................... 171
7.3.2 Checking the radiation field............................................................... 178
7.3.3 Dosimetry .......................................................................................... 179
7.3.4 Sensor adjustment ............................................................................ 181
7.3.5 Iris adjustment................................................................................... 182
7.3.6 Shading calibration............................................................................ 183
7.3.7 Distortion calibration.......................................................................... 185
7.3.8 Geometry calibration ......................................................................... 187
7.3.9 Service .............................................................................................. 189
7.4 Performing a white balance for FaceScan ................................................... 190
7.5 Checking and adjusting the touchscreen ..................................................... 191