Lexicon RV-8 Service Manual page 20

5. Turn on the RV-8 using the rear main power switch.
6. Power on the Variac at 220VAC or 120VAC.
7. Monitor the current draw. During the boot, the current draw should be ~175mA. At the end of the
boot, when the power amp is on, the current should be ~375mA.
Safety – Complete Supply Test
These tests will verify that the High Current Power Supply operates properly.
Setup:
1. Set the rear panel power switch of the RV-8 to the "0" (OFF) position.
2. Disconnect the AC Line cord from the unit.
3. Plug the transformer primary wiring harness into the connector J15 "120VAC" on the Power Supply
Board to the left of the transformer.
4. Set the Digital Multi-Meter (DMM) for a DC resistance reading on the highest range.
5. Set the rear panel power switch of the RV-8 to the "1" (ON) position.
Test:
1. Verify the resistance between the Line (Brown) pin and chassis ground is an open circuit.
2. Verify the resistance between the Neutral (Blue) pin and chassis ground is an open circuit.
3. Install the top cover (P/N 700-15809).
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RV-8 Service Manual