Siemens MOBILETT Plus HP Service Instructions Manual page 56

6 - 10
Exposure values: 133 kV 5 mAs, HTPOS & HTNEG 2 V/div,
20 kV/div; 100 µs/div (only the end of the exposure is shown)
HTPOS on
D1
HTNEG on
D1
Fig. 7 HTsignal, high speed HTNEG discharges (defective tube, filament transformer, wires to the cathode).
MOBILETT Plus HP
HT and single tank error diagnosis
SPR8-220.061.03
Rev. 03 09.03
Page 10 of 12
CS PS 24 Medical Solutions
Siemens AG