GE Healthcare
Senographe DS
Revision 1
Service Information and Procedures Class A 2385072-16-8EN
Job Card D/R A141 - Image Receptor/Digital Detector
Page no. 1105
Chapter 9
JC-DR-A-141.fm
6-5
First power-on Check
1. Cycle OFF/ON the system.
2. Check that the message
All devices are ready
appears on the screen. If yes proceed to section
below.
3. If error messages appear on screen, verify that the various connections are correctly made and refer
Job Card TSG A007 - Digital Detector Firmware Corrupted
below.
7
COMPLETION
7-1
Calibrations to Carry Out
Carry out the following calibrations:
7-2
If Stereotaxy Option Present
If the system has the Stereotaxy option, you must perform the required, applicable checks and calibra-
tions listed in
and the following Stereotaxy tasks:
•
JC-CAL-A002 - Image Plane to Carbon Cover Distance
in the Stereotaxy Service Manual (only for
ADS 53.40).
•
Vertical approach (QC Test 2) and lateral approach (QC Test 5) accuracy checks described in the
"Planned Maintenance" section of the Stereotaxy Operator Manual.
You must ask the Operator to perform:
•
The necessary biopsy device accuracy checks as described in QC Test 3 and QC Test 4 of the
"Planned Maintenance" section of the Stereotaxy Operator Manual.
•
The puncture tool accuracy check as described in QC Test 6 of the "Planned Maintenance" section of
the Stereotaxy Operator Manual.
Calibrations - Checks
Job Card
Acquisition Image Chain
Tube Tilt Calibration
Job Card CAL A027 - Tube Tilt Calibration
Collimator Calibration
Job Card CAL A029 - Collimator Format Calibration
Collimation Check
Job Card ELE A028 - Collimation Checks
If Collimation Check not OK, repeat Collimator Calibration
Bad Pixel Calibration
Job Card CAL A041 - Bad Pixel Calibration
Gain calibration
Job Card CAL A043 - Detector Gain Calibration
flat field tests
Job Card ELE A032 – IQ Tools Flat Field Test
If IQ Tests not OK, repeat all calibrations from Bad Pixel.
Conversion Factor
Job Card CAL A045 - Conversion Factor Measurement
Use the same dosimeter as that used for Half-Value Layer Measurement. If in doubt, repeat
- Half-Value Layer Measurement
.
AOP: Automatic Optimization of Parameters
AOP Calibration
Job Card CAL A051 - AOP Calibration
mAs non linearity
Job Card CAL A053 - mAs Non-linearity Calibration
AOP/SNR Check
Job Card ELE A038 - AOP Mode and SNR Check
If AOP/SNR Test not OK, repeat all calibrations from AOP Calibration