Lexicon RV-8 Service Manual page 30

18. Repeat steps 1-17 to test S/PDIF coaxial Inputs 2 through 4. Change the DVD1 DIGITAL IN selected
in step 6 to the next appropriate input.
19. To test the S/PDIF Optical I/O, use the S/PDIF optical output on the RV-8 to the S/PDIF optical input
of the DAT player. Repeat steps 1-18 to test S/PDIF optical Inputs 1 through 4. Change the DVD1
DIGITAL IN selected in step 6 from COAX to Optical and use the appropriate digital cable.
Phono Input to Zone 2 Outputs Test
This test will verify the audio path between the left and right phono inputs and the Zone 2 Fixed and
Variable outputs.
Test:
1. Connect the Low Distortion Oscillator output to the phono left and right audio inputs on the rear panel
of the RV-8.
2. Connect the Zone 2 RCA left and right Fixed outputs of the RV-8 to the external amplifier left and
right inputs. Connect the outputs of the external amplifier to a pair of speakers.
3. Power on the external amplifier. Slowly increase the volume on the external amplifier to a comfortable
listening level.
4. Sweep the oscillator from 20Hz to 20kHz. Verify that clean, undistorted audio can be heard
throughout the frequency sweep.
5. Power down the external amplifier.
6. Switch from the Zone 2 Fixed outputs to the Zone 2 Variable outputs and repeat steps 3 to 5 above.
Phono Input to Zone 3 Output Test
This test will verify the audio path between the left and right phono inputs and the RCA Zone 3 outputs.
Test:
1. Connect the Low Distortion Oscillator output to the phono left and right audio inputs on the rear panel
of the RV-8.
2. Connect the RCA left and right Zone 3 outputs of the RV-8 to the external amplifier left and right
inputs. Connect the outputs of the external amplifier to a pair of speakers.
3. Power on the external amplifier. Slowly increase the volume on the external amplifier to a comfortable
listening level.
4. Sweep the oscillator from 20Hz to 20kHz. Verify that clean, undistorted audio can be heard
throughout the frequency sweep.
5. Power down the external amplifier.
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RV-8 Service Manual