
ALLEN&HEATH
Parts identification sheet
Parts must be ordered from our distributor in your territory. A list of international
distributors can be viewed at http://www.allen-heath.com/UK/distributors.asp
UK parts must be ordered through an appointed A&H dealer or service centre. A list of UK
service centres can be viewed at http://www.allen-heath.com/UK/service_centres.asp
ML4000
How to order parts
ALLEN&HEATH ML4000 parts identification Issue 1 Page 1 of 15

POTS FADERS & KNOBS:
AJ3953
AJ2077
AJ2076
AJ2075
AJ2078
AJ2080
AJ3955
AJ3503
Gain
AI3838
HPF
AI8009
EQ Hz
AI8005
EQ +/-
AI8004
Aux 1- 8
AI8003
Aux 9/11
AI8003
Aux 10/12
AI8006
LCR
AI8006
PAN
AI8008
i/p VCA
AI8175
Gain
AI0150
EQ
AI8006
Aux 1-8
AI8003
Aux 9/11
AI8007
Aux 10/12
AI8008
LCR
AI8006
BAL
AI8008
i/p VCA
AI8175
AJ2074
AJ3951
AJ3952
AJ3863
AJ3950
AJ2079
AJ8107
AJ8081
ALLEN&HEATH ML4000 parts identification Issue 1 Page 2 of 15

1-8
AI8003
AJ3954
AJ8079
LRC
AI8003
OSC
AI8111
LEV
AI8003
PFL
AI8004
AJ2865
TB mic XLR
L2412
TB TRIM
AI8111
Aux
AI8003
LCR
AI8006
PAN
AI8008
Local
AI8007
Phones
AI8007
AJ3949
Intercom
AI8003
60mm fader
AI3497
AJ8081
AJ3949
VCA
AI8175
Master
I8109
AJ8080
ALLEN&HEATH ML4000 parts identification Issue 1 Page 3 of 15

Expander i/p
AL3956
o/p XLR
AL2411
Jack switched AL3410
Insert return
2TRK IN / OUT
ST1/2 R
Expander logic
AL3746
MIDI
AL3962
Jack un-switched AL3407
Direct out
Insert send
Local Monitor
ST1/2 L
i/p XLR
AL2410
Select
AL3081
Ground
AL8106
RS232
AL3746
DC IN
AL3891
ALLEN&HEATH ML4000 parts identification Issue 1 Page 4 of 15

INTERIOR PARTS:
Mono i/p
002-649
Stereo i/p
-
Group 1, 3, 5, 7
002-653
ALLEN&HEATH ML4000 parts identification Issue 1 Page 5 of 15

Group 2, 4, 6, 8
002-654
Group sub PCB
002-553
Aux 9
002-656
ALLEN&HEATH ML4000 parts identification Issue 1 Page 6 of 15

Aux 10
002-665
Aux 11
002-657
Aux 12
002-666
ALLEN&HEATH ML4000 parts identification Issue 1 Page 7 of 15

Master distribution PCB
002-667
Master meter
002-714
LED bar meter
002-713
ALLEN&HEATH ML4000 parts identification Issue 1 Page 8 of 15

Meters 1 - 8
002-715
Meters Aux 9 - 12
002-694
Expander Sys-link i/p
002-670
ALLEN&HEATH ML4000 parts identification Issue 1 Page 9 of 15

MIDI power PCB
002-575
CPU PCB
002-550
ALLEN&HEATH ML4000 parts identification Issue 1 Page 10 of 15

GRAUX master slave
002-661
VCA master slave
002-567
LRC stereo slave
002-659
ALLEN&HEATH ML4000 parts identification Issue 1 Page 11 of 15

Master fader VCA 002-557
Master fader L/R 002-588
Master fader CTR 002-589
Mute group PCB
002-563
Mono fader slave
002-551
ALLEN&HEATH ML4000 parts identification Issue 1 Page 12 of 15

Mono fader PCB
002-530
Mono connector
002-560
ALLEN&HEATH ML4000 parts identification Issue 1 Page 13 of 15

4M connector (B version)
003-188
4S connector (B version)
003-198
Master connector
002-662
ALLEN&HEATH ML4000 parts identification Issue 1 Page 14 of 15

Sys-link OUT
002-696
ALLEN&HEATH ML4000 parts identification Issue 1 Page 15 of 15