Lexicon CORE2, Service Manual

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Lexicon
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16. Repeat steps 10 and 11 to test audio quality.
Digital In To Digital Out Audio Listening Test:
1. Connect the audio source (CD player, DAT, or effects box) Digital Output to the Digital Input marked
S/PDIF IN on the Core2 Connector Box.
2. The digital output marked S/PDIF of the Core2 Connector Box needs to be connected to a device for
D/A conversion back to an analog signal. Configure the device for Coax S/PDIF.
3. Connect the analog output of the D/A to your amplifier with speaker or headphone output. Be sure to
turn the volume down on the amplifier.
4. Open the LexPanel by double clicking on the Lexicon Studio Icon.
5. Click on the Core2 tab to bring it forward. In the Routing area, activate the S/PDIF In and S/PDIF Out
buttons by clicking on each of them. If the Optical S/PDIF box is enabled (checked), disable it.
6. To activate your routing selections, click on the Apply button, if it is flashing. There is no need to click
the Apply button if it is not flashing.
7. Click on the Clock Source tab to bring it forward. In the Clock Source menu, select S/PDIF.
8. Click on the Punch tab to bring it forward. To enable your Input Source and Output Destinations
selected from the Core2 tab, make sure the enable punch check-box is selected (it will have a check in
the box if enabled).
9. Hold the CTRL key down on the computer keypad, then in the Sources menu, select S/PDIF In L and
S/PDIF In R.
10. Hold the CTRL key down and select S/PDIF Out L and S/PDIF Out R in the Destinations menu.
11. Turn the volume up on the amplifier and make sure the audio is free from any audio defects (pops,
clicks, static etc).
12. The above test needs to be repeated for the S/PDIF Optical connections of the Core2.
13. Disconnect the Coax S/PDIF input and output cables. Connect the Optical output cable from the Digital
audio source to the Core2 Optical Input.
14. Using optical cables connect the Optical Out on the back of the Core2 card to the D/A for conversion
back to an analog signal as stated in Step 2 above. Configure the device for Optical S/PDIF.
15. In the Routing area, activate the Optical S/PDIF In and S/PDIF Out by checking the Optical box.
16. Repeat step 11 to test audio quality
Digital Input To Analog Output Listening Test:
1. Connect the audio source (CD player, DAT, or effects box) Digital Output to the Digital Input marked
S/PDIF IN on the of the Core2 Connector Box.
2. Connect the analog output marked #1 on the Core2 Connector Box to your amplifier with speaker or
headphone output. Be sure to turn the volume down on the amplifier.
3. Open the LexPanel by double clicking on the Lexicon Studio Icon.
4. Click on the Core2 tab to bring it forward. In the Routing area, activate the S/PDIF In, Analog Outputs 1-
4 and Outputs 5-8 buttons by clicking on each of them. If Optical is enabled (checked), disable it.
5. To activate your routing selections, click on the Apply button, if it is flashing. There is no need to click
the Apply button if it is not flashing..
6. Click on the Clock Source tab to bring it forward. In the Clock Source menu, select S/PDIF.
7. Click on the Punch tab to bring it forward. To enable your Input Source and Output Destinations
selected from the Core2 tab, make sure the enable punch check-box is selected (it will have a check in
the box if enabled).
8. Hold the CTRL key down on the computer keypad, then in the Sources menu select S/PDIF In L and
S/PDIF In R.
9. Hold the CTRL key down and select all the D/A outputs 1-8 in the Destinations menu.
10. Turn the volume up on the amplifier and make sure the audio is free from any audio defects (pops,
clicks, static etc).
11. To test the remaining Outputs, move the output cable from #1 analog output to each of the remaining
outputs 2-8 and test the audio, as described above, for audio defects.
12. The above test needs to be repeated for the S/PDIF Optical input connection of the Core2.
13. Disconnect the Coax S/PDIF input source.