Allen&Heath ML4000 SERVICE MANUAL User Manual
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ML4000 Service Manual
3
Contents
Important Safety Instructions .............................. 4
Mains Plug Wiring Instructions............................ 5
General Precautions ............................................ 5
ML4000 Key Features ......................................... 6
Front Panel Layout .............................................. 7
Rear Panel Layouts.............................................. 8
Technical Specifications...................................... 9
System Block Diagram ...................................... 10
Installation Details.............................................. 12
Earthing.............................................................. 13
Audio Connector Types and Wiring .................. 14
Gain Structure.................................................... 15
MIDI.................................................................... 16
Console Computer and Operating Software .... 19
Internal Option Links ......................................... 20
Internal assembly assignments......................... 20
The Range ......................................................... 21
Ordering Spares ................................................ 21
Technical Drawings ........................................... 22
BLOCK DIAGRAM............................................. M1
INTERNAL ASSEMBLY MAP ...................... M2-M3
MONO INPUT .............................................. D1-D4
STEREO INPUT ........................................... D5-D8
MASTER CONNECTOR............................. D9-D10
GROUP 1,3,5,7 ........................................ D11-D13
GROUP 2,4,6,8 ........................................ D14-D17
AUX 9 ....................................................... D18-D21
AUX 10 ..................................................... D22-D25
AUX 11 ..................................................... D26-D29
AUX 12 ..................................................... D30-D33
MASTER DISTRIBUTION.................................D34
LRC VU METERS..................................... D35-D36
LRC LED METERS...........................................D37
1-12 VU METERS..................................... D38-D40
SYSLINK INPUT...............................................D41
MIDI/PSU ................................................. D42-D43
DC POWER WIRING........................................D44
CPU.......................................................... D45-D48
GRAUX SLAVE......................................... D49-D50
VCA MASTER SLAVE ......................................D51
LRC SLAVE .............................................. D52-D53
MASTER FADER..............................................D54
MUTE GROUP .................................................D55
MONO FADER SLAVE............................. D56-D57
MONO FADER .................................................D58
FADER BISCUIT (misc) ...................................D59
SYSLINK OUTPUT................................... D60-D61