Lexicon CORE2, Service Manual

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Lexicon Studio Core2 Service Manual
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I/O Tests:
Analog In To Analog Out Audio Listening Test:
1. Connect the audio source (CD player, DAT, or effects box) Analog Output to the Analog Input marked
#1 on the Core2 Connector Box.
2. Connect the analog output marked #1 of 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 Analog Inputs, Analog
Outputs 1-4, and Analog Outputs 5-8 buttons by clicking on each of them.
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 Internal and set the
Sample Rate to 44100.
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 all A/D inputs, 1-4.
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 the #1 analog output to each of the
remaining outputs 2-8 and test the audio as described above for audio defects.
12. To test the remaining inputs, move the input cable from the #1 analog input to each of the remaining
inputs 2-4 and test the audio as described above in step 10.
Analog In To Digital Out Audio Listening Test:
1. Connect the audio source (CD player, DAT, or effects box) Analog Output to the Analog Input marked
#1 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 Analog Input and S/PDIF Out
buttons by clicking on 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 Internal and set the
Sample Rate to 44100.
13. 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 all A/D inputs 1-4.
9. Hold the CTRL key down and select S/PDIF Out L and S/PDIF Out R 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 Inputs, move the input cable from the #1 analog input to each of the remaining
inputs 2-4 and test the audio as described above.
12. The above test needs to be repeated for the S/PDIF Optical output connection of the Core2.
13. Disconnect the Coax S/PDIF Output.
14. Using optical cable 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.
15. In the Routing area activate the Optical S/PDIF Out by checking the Optical box.