Siemens MOBILETT Plus - Page 56

MOBILETT Plus / - E/ - M SPR8-215.898.01 Page 10 of 12 Siemens-Elema AB
Rev. 05 01.02 SPS-UD Solna, Sweden
6 - 10 HT and single tank error diagnosis
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)
Fig. 7 HT-signal, high speed HTNEG discharges (Defective tube, filament transformer, wires to the cathode).
HTPOS on
D1
HTNEG on
D1