Lexicon RV-8 Service Manual page 28

Analog Inputs to Digital Outputs Test
This test will verify the audio path between the paired analog inputs 1 to 8 to Zone 2 digital outputs.
Setup:
1. Connect the video monitor to the main composite output of the RV-8 and turn the monitor on. This will
allow full viewing of the of the RV-8's menus.
2. Connect the S/PDIF coaxial digital output of Zone 2 on the RV-8 rear panel to the digital record input
jack of the DAT machine.
3. Connect the left and right analog outputs of the DAT machine to the analog left and right inputs of an
external amplifier. Connect the outputs of the external amplifier to a pair of speakers.
4. Turn on the RV-8 using the main power switch on the rear panel.
5. Once the unit is in standby mode, press the front panel standby button or the remote control
POWER button to enter normal operation.
Test:
1. To enter the MAIN MENU, press the remote control Menu
2. Scroll through the MAIN MENU using the Menu
arrow to enter SETUP.
3. In the SETUP menu, highlight INPUTS. Press the Menu
4. Highlight DVD1 and Press the Menu
5. Scroll down through the DVD1 menu options and highlight ANALOG IN. Press the Menu
enter DVD1 ANALOG IN.
6. Scroll through the DVD1 ANALOG IN input options and highlight ANALOG-1. Press the Menu
arrow to assign the input to DVD1.
7. Press the Menu arrow once to return to the DVD1 INPUT SETUP menu.
8. Scroll down through the menu and highlight ZONE2 IN. Press the Menu
ZONE2 IN parameter.
9. Press the Menu /
10. Press the Menu arrow once to confirm.
Analog should now be selected as the Zone 2 source.
11. Press the Menu arrow four times to exit the setup menus.
12. Connect the oscillator output to the left and right audio inputs labeled 1 on the rear panel of the RV-8.
13. Confirm DVD 1 is selected in the Main Zone as well as the Zone 2 section of the front panel.
14. Place the DAT machine into Record mode.
15. Slowly increase the volume on the amplifier to a comfortable listening level for the speakers.
16. Sweep the oscillator from 20Hz to 20kHz.
17. Verify that clean, undistorted audio can be heard from the Zone 2 digital outputs of the RV-8.
18. Once complete, repeat steps 1-17 to test Analog Inputs 2 through 8. Change the DVD1 ANALOG IN
selected in step 6 to the next appropriate input.
19. Now perform the setup and test steps 1 to 18 to test the digital optical outputs. Be sure to use the
appropriate digital cable.
4-10
arrow to select the DVD1 INPUT SETUP menu.
arrows until ANLG is displayed.
arrow.
/ arrows and highlight SETUP. Press the Menu
arrow to enter INPUT SETUP.
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