Siemens MAMMOMAT Novation DR Parts Replacement page 56

56
- Select time base 0.4 s/T.
- Switch the system ON.
- Select 28 kV, Mo/Mo, 500 mAs.
- Release an exposure.
- Evaluate the oscilloscope diagram.
Fig. 34: Sample oscilloscope diagram
The high-voltage period in a steady state condition (after the 3rd period) has to be
between 500 ms and 750 ms
4. If the grid lines are still visible after this process, increase, i.e.( change), the grid slow
speed from 40% to 50% and check this test again.
5. If the grid's slow speed was changed, back up the stand data.
Final steps
Reinstall the covers.
MAMMOMAT Novation DR
(Fig. 34 / p.
SPB7-250.841.01.04.02
05.05
56).
Page 56 of 64
CS SD 24
Grid
Siemens AG
Medical Solutions