Lexicon MPX G2 Service Manual

Lexicon
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3. Press the Yes button 5 times. The display will read Gain InLvl Level. The value under the Level will be
flashing. Set it for (36).
4. Press the System button until the display reads: System select Development.
5. Press the Yes button twice. The display reads: Devel DSP Bypass. Turn the knob CCW to set this to
Byp 0.
6. Press the Yes button 14 times. The display reads: Devel Feel. Verify that it is set to 0.
7. Press the Yes button once. The display reads: Devel Driver 0. Turn the knob CW to set its value to 30.
8. Press the Yes button twice. The display reads: Devel Bass 0. Turn the knob CW to set its value to +10.
9. Press the Yes button once. The display reads: Devel Trebl 0. Turn the knob CCW to set its value to -8.
10. Press the Yes button 3 times. The display reads: Devel GTone. Verify that it is set to On 1.
11. Press the Yes button once. The display reads: Devel FGood Out 0. Turn the knob CW to set the circuit
In 1.
12. Press the Yes button 2 times. The display reads: Devel Gain. Verify that it is set to On 1.
13. Turn off the oscillator.
14. Verify an output level reading between -49.94 to -120 dBu (2.5 to 0.8 mVRMS).
15. Move the cable from the Right Main Output jack to the Left Main Output Jack.
16. Verify an output level reading between -49.94 to -120 dBu (2.5 to 0.8 mVRMS).
17. Turn the oscillator back on.
Input to Output Volume at (0) Test:
1. Apply a 1kHz-sinewave signal at -77 dBu (109 uVRMS).
2. Verify an output level reading between -34.94 to -37.06 dBu (14 to 11 mVRMS).
3. Move the cable from the Left Main Output jack to the Right Main Output Jack.
4. Verify an output level reading between -34.94 to -37.06 dBu (14 to 11 mVRMS).
Input to Output Volume at (-64) Test:
1. Press the Edit button. The display reads: Edit Select Mix.
2. Press the Gain button. The display reads: Gain Select Crunch.
3. Press the Yes button 4 times. The display reads: Gain InLvl Level with the value under InLvl flashing.
Turn the knob CCW for a level setting of -64.
4. Verify an output level reading between -65 to -95 dBu (436 to 014 uVRMS).
5. Move the cable from the Right Main Output jack to the Left Main Output Jack.
6. Verify an output level reading between -65 to -95 dBu (436 to 014 uVRMS).
Midi Functionality
This test will quickly verify that the MPX G2 MIDI circuitry transmits and receives MIDI data. A more
thorough test of the Midi circuitry can be found in the Troubleshooting section of this manual.
1. Connect one end of a Midi cable to the MPX G2 Midi Out jack and the other end to the MPX G2
Remote/In jack.
2. Press and hold the Edit button while powering up the MPX G2.
3. Release the Edit button when the display reads the following.
Diags: Test
< Function Tests
4. Turn the front panel knob CW until the display reads.
Diags: Tests
< MIDI
5. Press the Store button ( which should be flashing ).
6. If the test passes, the display will read

Lexicon MPX G2 Specifications

General

Brand	Lexicon
Model	MPX G2
Category	Recording Equipment
Language	English