High Tension Power Supply - Siemens MAMMOMAT Maintenance Instruction

7 High tension power supply

PMF kV waveforms
The oscillogram shows the H.V.vaweform at 20 kV and 35 kV measured on TP1.
kV wave form has no overshoot for any kV / mA loading factors combination.
PMF Internal kV check (TP1/TP2)
•
DVM 1000Vdc f.s. or oscilloscope with 1:100 1000Vdc probe can be connected to TP1/TP2
(GND) of PCB 94-132, see page 17.
•
Remove any table, select Manual Mode and an mAs value high enough to allow stable
reading.
MAMMOMAT Balance
Maintenance Instructions
SPB7-115.831.01 Page 15 of 22
Rev.01 05.04
7 High tension power supply
kV risetime
Siemens AG
Medical Solutions