26 ML5000 Service Manual
ORDERING AN ASSEMBLY
The following assemblies for the ML5000 are supplied fully tested. Please quote the description and
order code for the part required.
Printed circuit board (PCB) assemblies:
DESCRIPTION ORDER CODE
Mono Input PCB assembly 002-529
Stereo Input PCB assembly 002-564
Group 1, 3, 5, 7 PCB assembly 002-552
Group PCB assembly 002-553
Group 2, 4, 6, 8 PCB assembly 002-554
Aux 10 PCB assembly 002-545
Aux 12 PCB assembly 002-546
Aux 14 PCB assembly 002-547
Aux 16 PCB assembly 002-548
Master Distribution PCB assembly 002-556
LCR Mix PCB assembly 002-544
Mono Fader PCB assembly 002-530
Master Fader Centre PCB assembly 002-589
Master Fader L/R PCB assembly 002-588
Master Fader VCA PCB assembly 002-557
Mute Group PCB assembly 002-563
Control Panel PCB assembly 002-549
Fader Slave PCB assembly 002-551
Stereo Slave PCB assembly 002-566
VCA Master Slave PCB assembly 002-567
Aux Master Slave PCB assembly 002-543
CPU PCB assembly 002-550
Mono Connector PCB assembly 002-560
Stereo LRC Connector PCB assembly 002-565
Master Connector PCB assembly 002-555
MIDI Power PCB assembly 002-575
Sidecar MIDI Power PCB assembly 002-598
SYS-LINK 2 In PCB assembly 002-587
SYS-LINK 2 Out PCB assembly 002-596
Meter 1-8 PCB assembly 002-558
Meter 9-16 PCB assembly 002-591
Meter Master PCB assembly 002-559
Meter Ledbar PCB assembly 002-590
IDC connector harnesses:
DESCRIPTION ORDER CODE
10 way GRAUX harness AL4029
10 way Input harness AL4028
10 way LRC to Fader harness AL4077
10 way MIDI harness AL4032
16 way GRAUX harness AL4030
20 way Master Connector harness AL4027
20 way Meter harness AL4021
26 way CPU Power harness AL4033
26 way LRC Connector harness AL4031
26 way Distribution harness AL4020
26 way Slave A harness AL4022
26 way Slave B harness AL4023
26 way Slave C harness AL4024
26 way Slave D harness AL4025
34 way Master harness AL4026
Sidecar harness AL4067
ML5-32 Left harness AL3964
ML5-32/40 Right harness AL3967
ML5-40/48 Left harness AL3834
ML5-48 Right harness AL3835
THE CHASSIS TRIM
DESCRIPTION ORDER CODE
ML5000 (all formats) Left & Right Chassis side trims AA3773-L/R
Left & Right Moulded side trims AA3781-L/R
Write-on strip 10’ AK0327
Ident strip Master Rear AK3788
Ident strip Master AK3833
Ident strip 1-24 AK3789
Ident strip 1-24 Rear AK3790
Ident strip 25-48 AK3795
Ident strip 25-48 Rear AK3796
ML5000 Service Manual 27
ORDERING AN ML5000 SPARES KIT
It is recommended that the spares kit order code 002-533 is held and maintained by the service agent
to enable in-field service repairs to the ML5000 independent of the ALLEN & HEATH factory.
Commonly available items such as resistors, capacitors, tools and soldering equipment are not
included. The contents of the kit are listed below and are supplied in a cabinet of drawers. Individual
spare parts may be ordered. Please quote the description and order code for the part required.
Fixings:
DESCRIPTION ORDER CODE QTY
Screw 4AB x 5/16” CSK Pozi Black AB0059 20
Screw M3 x 8 CSK Pozi Black AB0074 10
Nylock Nut M3 AB0102 10
Nylock Nut M4 AB0105 10
Screw 4AB x 1/2" Pan Pozi Black AB0250 10
Screw M6 x 20 CSK Allen Black AB0310 5
Screw 6B x 3/8 CSK Pozi Zinc AB2082 20
Screw 8B x 3/8 CSK Pozi Black AB2085 5
Screw 6B x 5/16 Pan Pozi Black AB2809 20
Screw 4 x 5/16 Poly Pan Pozi Black AB2810 20
Screw M3 x 5 CSK Pozi Black AB2811 20
Screw M3 x 4 TT Hex Head Black AB3837 20
Screw M6 x 10 CSK Pozi Zinc AB4036 5
Screw 6B x 3/8 Flange Headed Pozi Black AB4037 10
Rivet Plastic Snap SR3535B AB4092 5
Pot Nut 9mm AB8050 50
Knobs and caps:
DESCRIPTION ORDER CODE QTY
Knob Red & Grey 11mm D AJ2074 10
Knob Blue & Grey 11mm D AJ2075 40
Knob Light Blue & Grey 11mm D AJ2076 40
Knob Green & Grey 11mm D AJ2077 15
Knob Dark Grey & Grey 11mm D AJ2078 15
Knob Yellow & Grey 11mm D AJ2079 10
Knob Brown & Grey 11mm D AJ2080 10
Button 10x5mm Rectangular Grey AJ2865 2
Button 10x5mm Rectangular Black AJ3228 1
Fader Knob 11mm Black + White Line AJ3503 15
Switch Cap Grey 6x6mm Offset AJ3863 20
Button Illuminated Red AJ3949 2
Switch Cap White Offset AJ3950 20
Button 6x6mm Square White AJ3951 10
Button 6x6mm Square Light Grey AJ3952 5
28 ML5000 Service Manual
Button 6x6mm Square Red AJ3953 10
Button 6x6mm Square Black AJ3954 5
Button 8mm Round Light Grey AJ3955 10
Fader Knob 11mm White+Black Line AJ8078 10
Fader Knob 11mm Red+Black Line AJ8079 10
Fader Knob 11mm Yellow+Black Line AJ8080 5
Fader Knob 11mm Blue+Black Line AJ8081 10
Button Illuminated White AJ8107 10
Faders, Potentiometers, Switches and connectors:
Pot 10KC x 2 (103C 14mm wide) AI0150 3
Pot 20KK (203K 11mm wide) AI8003 5
Pot 20KB C/D (203B 11mm wide) AI8004 5
Pot 200KC x 2 (204C 11mm wide) AI8005 5
Pot 20KB x 2 centre click (14mm wide) AI8006 5
Pot 20KK x 2 (203K 14mm wide) AI8007 10
Pot 10KAC x2 (103AC 14mm wide) AI8008 10
Pot 200KC x 2 (204C 14mm wide) AI8009 5
Fader 10KSPE 100mm AI8109 3
Pot 5K (502RD 11mm wide) AI8111 5
Fader 10KB 100mm AI8175 10
Fader 10KA 60mm AI8176 5
Switch 2PCO Latching 90 Deg AL0162 10
Jack Socket Headphone AL0328 1
Switch 4PCO Latching AL0333 15
Switch 2PCO Momentary AL0374 10
XLR 3 Pin Female Vertical PCB Mount AL2410 5
XLR 3 Pin Male Vertical PCB Mount AL2411 5
Switch Slide MINI SPDT PCB AL3081 1
Jack Socket ¼” Stereo Unswitched AL3407 20
Jack Socket ¼” Stereo Switched AL3410 20
LEDs and Semiconductors:
Transistor BC549 NPN AE0020 5
IC TLO72 Op-Amp AE0046 10
Transistor J111N FET T092 AE0083 10
LED 3mm T1 Yellow AE0084 10
LED 3mm T1 Green AE0085 10
LED 3mm T1 Red AE0086 10
IC CMOS 4053B AE0117 10
IC CMOS 4051B AE0118 1
ML5000 Service Manual 29
IC NE5532 Op-Amp AE0221 10
IC 6N136 Opto-Isolator AE0222 1
IC TTL 74LSOO AE0243 1
IC Opto-Isolator 4N35 AE0266 2
IC 7805 Regulator AE0308 3
IC SSM2018P VCA AE0315 5
IC RS232 HIN202CP AE2742 1
IC CMOS 74HC165 AE2749 3
IC CMOS 74HC4094N AE2755 5
IC Comparator LM393N AE2818 5
Transistor BC556B PNP AE3001 5
Crystal 14MHz AE3007 1
LED Square Red AE3489 5
LED Square Green AE3490 10
LED Square Yellow AE3491 5
Transistor Mosfet BSS138 AE3498 1
IC LA6515 Power Op-Amp AE3707 3
IC CMOS 74HCT02 AE3988 1
IC SN75176BP Buffer AE3989 1
LED Rect. Red 5 x 2.5mm AE4015 3
LED Rect. Yellow 5 x 2.5mm AE4016 3
LED Rect. Green 5 x 2.5mm AE4017 3
LED T1 3mm Blue AE4041 3
Transistor 2SB737 PNP AE8069 10
Miscellaneous:
Preset 10K Carbon Horizontal Mini AC0250 5
Preset 470K Carbon Horizontal Adjust AC4012 5
Meter bulb AD0013 5
VU Meter + 8V Bulb AD3321 2
Flex Cable 12 Way 90mm AH2228 5
Flex Cable 15 Way 90mm AH4091 3
Battery 2.4V 70mAh NICAD AP3334 1
30 ML5000 Service Manual
ORDERING AN MPS14 SPARES KIT
It is recommended that the spares kit order code 002-632 is held and maintained by the service agent
to enable in-field service repairs to the MPS14 independent of the ALLEN & HEATH factory.
Commonly available items such as resistors, capacitors, tools and soldering equipment are not
included. The contents of the kit are listed below and are supplied in a cabinet of drawers. Individual
spare parts may be ordered. Please quote the description and order code for the part required.
Power supply:
DESCRIPTION ORDER CODE QTY
Insulating Kit TO220 AA3514 5
Insulating Pad TDA7294 IC AA3645 4
Screw M3x 6mm Pan Pozi Black AB0072 10
Screw M3 x 8mm Pan Pozi Black AB0073 3
Screw M3 x 10 Pan Pozi Black AB0076 10
Nylock Nut M3 AB0102 5
Pillar M4 x 10 Nylon Tap AB0257 3
Screw M4 x 5 Pan Slotted Zinc AB0261 10
Screw M4 x 8 Countersunk Pozi Black AB2777 5
Screw 6B x 5/16 Pan Pozi Black AB2809 10
Screw 4 x 5/16 Poly Pan Pozi Black AB2810 10
Clip TO220 Type 4426 AB3547 3
Clip TO247 Type MAX03 AB4069 3
Clip TO220 Type MAX10 AB4099 3
Clip TO247 Type 4597 AB4148 3
Res W/Wound 0R33 2.5W 5% AC3014 3
Preset 1K Carbon Vertical Adjust AC3958 1
Res Planar 10R 10W AC4002 2
Zener Diode BZX85 5V6 1.3W AE0012 3
IC TL072 Dual Op-Amp AE0046 3
IC 7815 Regulator AE0047 2
Transistor BC637 NPN TO92H AE0068 2
IC LM339N Quad Comparator AE0071 3
IC Adjustable Regulator 783 AE0214 2
IC Op-Amp NE5532N AE0221 3
Zener Diode BZX55C2V7 AE0231 2
Zener Diode BZX79C 12V 400mW AE0232 2
IC Regulator 7818 AE3155 2
Diode BYW81P-200 15A AE3468 2
Diode BYV27-400 2A AE3469 3
Diode BYV26E 1A 1000V AE3470 3
Diode P6KE200A AE3471 3
Transistor Mosfet STP4NA80FP AE3472 3
ML5000 Service Manual 31
IC SMPS UC3842AN AE3473 2
Bridge Rectifier 2KBP04M AE3477 2
Thermistor 100K AE3499 2
LED Rect. Green 5 x 2mm Flat Top AE3501 2
LED Rect. Red 5 x 2mm Flat Top AE3502 3
IC Regulator 7812 AE3588 2
Zener Diode BZV85 20V 1.3W AE3815 2
Diode 1N5819 1A 40V AE3914 3
Bridge Rectifier RBV2506 AE3921 2
Transistor Mosfet IRF540N AE3924 2
Transistor Mosfet IRF9540N AE3925 2
Transistor Mosfet IRFP450 AE3926 3
Diode RURP3060 30A 600V AE3933 3
Diode SQ045 8A 45PIV AE3934 3
Diode SF64 8A 80PIV AE3935 3
IC SG3525AN PWM Control AE3938 3
IC UC3854AN PFC Control AE3939 3
Transistor Mosfet ZVN2106A AE3940 2
Transistor Mosfet ZVP2106A AE3941 2
Transistor MPSA92 PNP AE8119 1
Transistor MPSA42 NPN AE8138 1
Inrush Supressor AE8143 1
Fastfoot AK0102 4
Foam Filter 80 x 80mm AK4070 3
Fuse 6.3A Anti-Surge 20mm AL0395 5
Fuse 1.6A Anti-Surge 20mm AL0466 5
Fuse 5A Anti-Surge 20mm AL2270 5
Fuse Holder 10A 20mm PCB AL3447 1
Fuse 500mA Anti-Surge 20mm AL3534 5
Switch 2PCO Latching Vertical AL8057 1
Inductor 4.7uH 600mA AM3467 5
Fan 80x80x25 12V DC AM3517 1
Inductor Ferrite Sleeve AM3657 3
Inductor 5MH 5A CMC AM3900 1
Inductor 330UH 1A AM3901 1
Inductor 150UH AM3902 1
Inductor 10UH AM3903 1
Inductor 1MH AM3904 1
Transformer HF Pulse PCB AM4006 1
32 ML5000 Service Manual
SYSTEM BLOCK DIAGRAM
+
-
INPUT
GAIN
+48V
PAD
HPF IN
SEND
LF LM HM HF
EQ IN
FREQ
4 BAND EQUALISER
FILTER
METER
+
-
RETURN
INSERT
POST-EQ
PRE-EQ
PAN BLEND
MAIN
MIX
L
R LR C
PRE-INSERT
+
+
L
R
C
PEAK
LCR+
PRE-FADE
POST-FADE
ODD
EVEN
PRE
GRP PAN ON
AUX1
GRP1
POST-TRIM
PRE-FADE
POST-FADE
DIRECT OUT
(AUX1 ONLY)
POST AUX1
AUX1
GRP1
POST-MUTE
PRE-FADE AUX
OPTION LINKS
MONO
STEREO
OPTION LINKS
DIRECT OUT
PFL
L AFL
R AFL
L MIX
R MIX
C MIX
GRP2
AUX 2
POST AUX2
GRP2
AUX2
PRE
SET MASTER mode SWITCH
FOR EITHER AUX OR GROUP
MONO CHANNEL
MUTE
FADER
PAFL
MUTE GROUPS
VCA GROUPS
PAFL LOGIC
GRP
GRP/AUX 3 TO 8
SAME AS 1,2 SHOWN
VCA
J5
J4
J6
J9
J7
J8
J3
J2
J1
SNAPSHOTS
+
-
1
TRIM
+48V
TB MIC
2
TALK TO TB
+
OSC/NOISE TO TB
DIM
MONITOR DIM
TB
PINK NOISE
1kHz OSC
TRIM
Disable
OSC/NOISE/TALKBACK
TALK TO INTERCOM
MONITOR DIM
-
+
TRIM
SIDETONE
LISTEN
TO PHONES
INTERCOM
CALL
+
-
INPUT B
GAIN
LF
EQ IN
4 BAND EQUALISER
METER
POST-EQ
PRE-EQ
BAL BLEND
MAIN
MIX
L
R LR C
+
+
L
R
C
PEAK
LCR+
PRE-FADE
POST-FADE
PRE
GRP BAL ON
AUX1
GRP1
POST AUX1
POST-MUTE
PRE-FADE AUX
OPTION LINKS
MONO
STEREO
GRP2
POST AUX2
AUX2
PRE
SET MASTER mode SWITCH
FOR EITHER AUX OR GROUP
PRE
AUX9
STEREO CHANNEL
MUTE
FADER
PAFL
MUTE GROUPS
VCA GROUPS
PAFL LOGIC
GRP
GRP/AUX 3 TO 8
SAME AS 1,2 SHOWN
VCA
J3
R=J2
SNAPSHOTS
L AFL
PFL
R AFL
L MIX
R MIX
C MIX
AUX10
AUX1
GRP1
AUX 2
GRP2
AUX9
+
-
+
-
GAIN
+
-
L
R
R
L
INPUT A
+
ON
ON
MONO L
MONO R
SOURCE
LM HM HF
+
+
L=J1
+
L
R
M
L
R
M
ODD
EVEN
AUX10
9-10 LEV
STEREO
PAN
PRE
AUX9
AUX10
AUX9
AUX10
LEV 9-10
STEREO
PAN
AUX 11 to 16
SAME AS 9,10 SHOWN
AUX 11 to 16
SAME AS 9,10 SHOWN
J10
LAMP
INTERCOM IN/OUT
ML5000 Service Manual 33
MIX
SEND
+
-
RETURN
INSERT
MUTE
FADER
MUTE GROUPS
mode
METER
PEAK
L AFL
R AFL
AFL
AFL LOGIC
PAN
BLEND
MAIN
MIX
L
R LR C
LCR+
L MIX
R MIX
C MIX
TB ENABLE
BAL
OUT
GRP/AUX
TB
GRP
AUX
MIX
POST AUX
POST AUX OUT
(1-8 ONLY)
L AFL
R AFL
AFL
AFL LOGIC
L MIX
SEND
+
-
RETURN
INSERT
MUTE
FADER
PEAK
TB
BAL
OUT
LEFT
TB
AUX = VARIABLE LEVEL+PRE/POST SWITCH
GROUP = SWITCHED ROUTING
SET mode FOR EITHER:
L MIX
R MIX
SEND
+
-
RETURN
INSERT
MUTE
FADER
PEAK
BAL
OUT
RIGHT
R MIX
PRE-INSERT
POST-FADE
L
PRE-INSERT
POST-FADE
C MIX
SEND
+
-
RETURN
INSERT
MUTE
FADER
PEAK
TB
BAL
OUT
CENTRE
C MIX
LEFT
RIGHT
CENTRE
L
C METER
C
R
GRP/AUX
GRP/AUX 1-16
POST AUX 1-8
MASTER
SNAPSHOTS
MUTE GROUPS
SNAPSHOTS
MUTE GROUPS
SNAPSHOTS
MUTE GROUPS
SNAPSHOTS
+
-
EXT IN
GRP/AUX1
GRP/AUX 2
GRP/AUX 3
GRP/AUX 4
GRP/AUX 5
GRP/AUX 6
GRP/AUX 7
GRP/AUX 8
L
R
C
SEND
+
-
RETURN
INSERT
TB ENABLE
TB
LEVEL
MUTE
BAL
OUT
MUTE GROUPS
SNAPSHOTS
AFL
AFL LOGIC
L AFL
R AFL
MATRIX
MATRIX
L AFL
PFL
R AFL
WEDGE mode
+
-
L
+
-
2TRK
IN
R
OUT
2TRK
R
+
+
C
LR
2TRK
L
R
C
+
MONO
L
MONITOR
LOCAL
R
LOCAL
MUTE
HEADPHONES
L
R
PHONES
WEDGE MON
WEDGE MON
PAFL LOGIC
TB DIM
PFL MIX
L AFL MIX
R AFL MIX
TRIM
L
R
C
+
PFL
INPUT PAFL
AFL
PFL
L METERS
R METERS
C METERS
METERS 1-8
METERS 9-16
METER SELECT
GRP/AUX
GRP/AUX
MATRIX
OUTPUT AFL
MONITOR
+
+
FROM INTERCOM
MONITOR SOURCE
J3
J4
J2
J1
34 ML5000 Service Manual
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