Siemens PORTARAY HELIODENT 70 Maintenance Instruction page 39

PORTARAY
Heliodent 70 Dentotime
Description of function
JU
Tİ
Ci
Hi
Avi
A
Heliodent 70
Trans- kV ，
Former. Gi <0
voltage
ZN
DS
os
Capacitor
voltage
Tube voltage —
diode voltage Å
201 一 一 一 一 一
t
The negative half wave of the transformer voltage charges the capacitor C 1.The positive
half wave of the transformer voltage is added to the capacitor voltage, so that twice the
transformer peak voltage is measured on the tube.
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