Hologic DISCOVERY A, Technical Manual

Page: 192 / 274

Discovery QDR Series Technical Manual
5-26
5.7.1 Detector Assembly A, SL, W, C Systems
Figure 5-11. Detector Assembly Mounting
To remove and replace the Detector Assembly (refer to Figure 5-11) and follow the
procedure below:
1. Shut down the computer and then turn off the main circuit breaker on the foot end
pedestal.
2. Unplug the cables and remove the screws on the detector assembly and remove it
from the system.
3. Install the new detector assembly using the screws and cables removed in the
previous step.
4. Turn on the Discovery power, boot the computer and login as Service.
5. Perform the X-Ray Beam Alignment procedure on page 4-4.
6. Perform the A/D Gain Control Adjustment on page 4-21.
7. Perform the ìLaser Positioning Offset Adjustment on page 4-21.
8. Replace any covers that were removed and perform ìDetector Flattening on page
4-22.
9. Perform the Field Service Calibration procedure.
10. Perform a System Backup.
11. Perform a System Recover. Verify that the System Backup recovers without
error.
12. Verify proper system operation.
080-1085_004-0513
Detector Assembly