Series 90 Setup Manual Page 43
Isolation Amplifier
Isolation Amplifier tests the performance of the isolation amplifier and the high-voltage-
generator when loaded. This test uses a 100Mohm load resistor between test point 1 and test
point 57.
Controller Leakage
Controller Leakage tests for high-voltage leakages on the scanner control board. During this
test the high-voltage-select relay is deactivated to isolate the control board from the scanner
boards.
System Leakage
System Leakage tests the high-voltage leakage in the complete system. The high-voltage-
select relay is activated to connect the scanner boards.
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