9990 - Measure PMFX Box input high voltage Measure PMFX Box input high voltage Yes Go to 9976 - 9973 - Measure PMFX Box output high voltages - Decision, Notes: 9974 No Go to 9989 - 9988 - Adjust neutron high voltage - Decision, Notes: 9985 Note 9991 - Measure the HV on the MHV cable at the center top of the PMFX box using a dig... 9986 - Is the neutron high voltage between +1365 VDC and +1385 VDC?