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ALLEN & HEATH ML3000 Service Manual

ALLEN & HEATH ML3000
84 pages
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SERVICE MANUAL
Publication AP4511
Dual Function Live Sound Console

Table of Contents

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ALLEN & HEATH ML3000 Specifications

General IconGeneral
TypeAnalog Mixing Console
Faders100mm
Group Buses8
Main Outputs2
Signal to Noise Ratio> 90 dB
Output Impedance75 Ω
EQ4-band EQ with 2 sweepable mids
Frequency Response20 Hz to 20 kHz
Input Impedance10 kΩ

Summary

Important Safety Instructions

Warnings and Cautions

Read before proceeding. Includes cautions for electric shock and opening the unit.

Mains Plug Wiring Instructions

ML3000 Key Features

Console Inputs, Outputs, and Features

Details frame sizes, inputs, outputs, groups, auxes, matrix, automation, and processing.

Front Panel Layout

Rear Panel Layouts

Technical Specifications

Channel and Equaliser Specifications

Details channel filters, mono/stereo EQ bands, frequencies, and gain.

Power Supply, Dimensions, and Weights

Covers PSU details, dimensions, weights, and connector specifications.

System Block Diagram

Earthing and Grounding Procedures

Earthing Best Practices and Interference Prevention

Use clean mains, star point earthing, professional checks, and prevent induced interference.

Audio Connector Types and Wiring

Gain Structure Setup and Metering

Gain Staging Techniques and VCA Groups

Guides on setting input gain, matching levels, and using VCA groups for optimal performance.

MIDI and RS232 Connectivity

MIDI Port Overview and Capabilities

Explains MIDI port functions, what it can and cannot control, and cable specs.

RS232 Port Usage and Software Updates

Details RS232 port use for software updates and PC interface.

Archiving Console Settings via MIDI

MIDI Dump Procedures and Troubleshooting

Step-by-step instructions for saving/loading settings and troubleshooting errors.

ML Archiver Software Utility

Information about the PC utility for archiving settings and managing snapshots.

Console Software Management

Software Version, Loading, and Resetting

How to check version, load new software, reset settings, snapshot memories, or all data.

Internal Options and Assembly Links

Assembly Assignment Links

Details jumper settings for group/aux buss, aux matrix, VU meters, and CPU assignments.

Service Tools Required

Ordering Assemblies and Harnesses

Ordering Spares and Components

Faders, Potentiometers, Switches, and Connectors

LEDs and Semiconductors

Technical Drawings Overview

ML3000 Block Diagram

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