GE AMX-II Service Manual page 173

GENERAL ELECTRIC MEDICAL SYSTEMS AMX-II X-RAY UNIT
6-978 SM A 0654E
Filament Control Phase Control Filament
Adjustment___________,,Control_________ñ_SCR's » Transformer
3A2R 30 3A2026 (26,D) 7T2
(63, F) (64, E) (28, C)
ILLUSTRATION 6-10
The filament control voltage during warm-up is adjusted as close as possible to that required to give
a tube current of 100 ma during exposure.
3. The X-ray tube filament transformer receives power form the 60 Hz inverter as shown in Illustration
6-11.
100 ms
Delay. ——————= 3K1-A,B,C
(75, E) (76-C)
Rotor Control Filament
H.S.———==> 3A4K36 B_ «—————————=» 60 Hz Inverter 60 Hz——e SCR's— —e Transformer
(32, F) (74,B)
Driver ——
Inverter (26,D)
7T2 (28, C)
ILLUSTRATION 6-11
6-14