View and Download Lexicon MPX user manual online. Lexicon Dual Channel Processor Stereo kHz S/PDIF Digital Output User Guide MPX MPX – read user manual online or download in PDF format. Pages in total: User guide • Read online or download PDF • Lexicon MPX User Manual.

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Clocks This chip mode determines various system parameters: Replace the two 2 screws at the rear panel MIDI jacks. The left and right signals are summed internally when only the right output is used.

Designate two auxiliary sends on your console and connect one to the left MPX input, and the other to the right input. These are represented by RR This stage provides 1 0. Verify that the processed audio has no audible pops, clicks, or distor- tion. R80 sets input voltage range from V. Program Descriptions The programs in the MPX are designed to provide a full palette of high caliber ambience, reverb, delay, pitch shift and other effects.


For pitch correction, use this algorithm with Mix set to fully Wet. Component replacement and internal adjustments must be made by qualified maintenance personnel. Press Bypass to proceed to the next test.

Because of the high input impedance, the input is very susceptible to noise pickup from radiating sources. Controls the proportion of processed wet to unprocessed dry signals.

Lexicon MPX 100 User Manual

For best results, use a headphone amp. Press Store to enter Extended Diagnostics Mode which allows more thorough testing of the unit. An impedance of 75Q is deveioped by R88 and R98 for the left and right outputs, respectively.

C7 is discharged through D5 on power down. Four routing configurations are used in This parameter allows you to temporarily suspend Manuall and restore Enable any Learned patches. C53 and C59 are DC blockers which eliminate any offset from U1 6 to prevent potentiometer wiper noise in R These resistors also provide current limiting protection.

Replace the remaining potentiometer nuts and washers. Running the Z80 at 9.

From the rear, carefully position the circuit board and insert it into the front panel. If you mpc to return an MPX 1 00 to Lexicon for service. This alignment is determined by setting the serial data interface format pins on the CS to support the I2S format. D17 helps protect from over voltage or static shock.

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If the Clip LEDs light red at this point, turn down the output of the instrument or effects send until the Clip LEDs remain off during the loudest passages. Eight discrete front panel LEDs are organized into 2 columns and 4 rows. U21 provides a unity gain inverting stage.

If the test fails, the both red Clip LEDs will light. The analog supplies use lOOOuF electrolytics.

Full text of “Lexicon: MPXservicemanual”

Press Store to exit the Burn-In Loop. Each gate has to source about 6. If the test passes, both green Level LEDs will light.