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General| Channels | 4 |
|---|---|
| Input Sensitivity | 1.4 V |
| THD+N / THD | < 0.1% |
| Damping Factor | > 200 |
| Input Impedance | 20 kΩ |
| Power Consumption | 1200 W |
| Output Power (per channel) @ 2 Ohms | 1500 W |
| Output Power (bridge) @ 4 Ohms | 3000 W |
| Frequency Response | 20 Hz - 20 kHz |
| Power Supply | Switching power supply |
Warning against opening the unit due to high voltage and electric shock risk.
Essential safety step to discharge internal capacitors before servicing the amplifier.
DC power cable for M & Q series.
Auxiliary voltage cable for the power supply unit.
Auxiliary voltage cable for DigiMod 500-3000 AMP.
Detaching side support bars using Phillips screwdrivers.
Unscrewing the cover using specific Phillips screwdrivers.
Verify internal LEDs are off to confirm capacitor discharge.
Safely discharge capacitors with a lamp connected to fuses/varistor.
Checks for fuses, varistor, and PSU Mosfet state using a multimeter.
Testing Amp stage mosfets for faults with a multimeter.
Disconnecting fan power, ON/OFF switch, and flat cables.
Detaching the rear panel and lifting the top metal frame.
Removing the 12 screws securing the main board to the chassis.
Unplugging the fan's power cables.
Removing the three screws holding the fan in place.
Detaching power switch connector and flat cables.
Unscrewing panel ears and protection plates.
Removing metal plates and spacers to free potentiometer PCBs.
Removing retaining screws and prying mosfets off the heatsink.
Carefully pulling the heatsink vertically off the board.
Peeling off the SilPad and removing leftover glue.
Wiping off residues with isopropyl alcohol and a clean cloth.
Identifying the internal jumper for voltage selection.
Moving the faston connector to set the desired operating voltage.
Checking fuse continuity and testing power supply absorption.
Using an oscilloscope to test Q1, Q2 gates for waveforms.
Checking fuses and Zobel network for short circuits.
Testing absorption by applying voltage to the CN2 connector.
Validating Q101, Q202 gates using oscilloscope waveforms.
Replacing CNTRL BOARD if absorption errors are detected.
Identifying the J5 connector on the amplifier board.
Connecting mains power and shorting J5 to verify fan operation.
Understanding the status of V RAIL, V AUX, and V AUX PSU LEDs.
Greasing heatsink components with thermal compound.
Conducting a heavy cycle burn-in test to confirm repair effectiveness.
Steps for setting up and initializing the Lantronix device.
Selecting model, firmware, and presets in Product Manager.
Configuring network interface and entering serial number.
Checking Ethernet LED, installing plugins, and updating via ArmoniaPlus.
Part numbers for 1 Channel amplifier repair kits (M14D, M20D, M30D, M28Q, M50Q).
Repair kits for PSU and Fan modules for MD & MQ series.
Part numbers for fuses and Lexan protective layers.
Part numbers for main boards of various M Series models.
Part numbers for CTRL Plus Boards for specific M Series models.
Part numbers for DSP Board, Rem Plug, and Front Board assemblies.
List of mechanical parts for the chassis assembly with part numbers.
Details of power cords for EU, Japan, US, Taiwan, Canada, Brazil, Australia, China.
Explanation and meaning of common safety warning signs.
Precautions for handling ESD sensitive devices and ESD environment.
Essential equipment and attire for an ESD compliant workstation.
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