KaVo ORTHOPANTOMOGRAPH OP 3D Pro, Service Manual, Page: 76 / 192

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3.5.19 EG200 Interface board
DESCRIPTION:
EG200 is a general I/O-board and includes electronics for
controlling the X-ray generator.
There are two pcb’s in each unit.
LOCATION:
In the top part of the rotating unit and inside of the cephalo-
head.
FUNCTIONS:
X-ray generator control
EXP signal interface
Generator temperature measuring
Interface for optos/micros
Position light modules drive
General i/o-interface
Distribution of +5V/24Vdc voltages
INPUTS:
+5Vdc for logic
+24Vdc for ad/da-converters
Exposure signals from EA200 and R3200
X-ray generator control signals from R3200
NTC-thermistor/Nasio potentiometer input
Feedback signals from x-ray generator
Opto-/microinterfaces
R3200 shiftregister i/o-control interface
General lvttl-interface
OUTPUTS:
X-ray generator control signals
light modules drive
General lvttl-interface
+5Vdc
+24Vdc