Brivo OEC 715/785/865 Mobile C-Arm X-Ray Product Service Manual
4-6
7. Test the voltage of TP16 on kV control board with multimeter. The voltage should be 3.15±0.05V.
Otherwise, adjust R109. Clockwise rotation will decrease the voltage value and anticlockwise will
increase the value.
8. Test the voltage of TP17 on kV control board with multimeter. The voltage should be 3.15±0.05V.
Otherwise, adjust R110. Clockwise rotation will decrease the voltage value and anticlockwise will
increase the value.
9. Adjust POT6 on MCB board until TP5 (KVO) on MCB is 4.0V±0.05V.
10. Take exposure. Adjust R37 on Filament Driver Board to make sure the mA is 2.1±0.2mA.
11. Take exposure and hold on. Measure TP15 on kV Control Board with multimeter. Adjust R50 on kV
control board to make the voltage is 4.0V±0.05V. Check that DS1 is lit during exposure.
12. Restart the system. Check the kV value as the table in 4.2.1. If they are not in specification, adjust
R50 on kV control board or go back to step11.
After the calibration, connect the jumper to J46 on extend board.
13. After the calibration process completion, remove the extend board and recover the system.
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