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ML4000

Service Manual

Installation Details

Weights

24 Channel

53 kg (116 lbs)

32 Channel

65 kg (143 lbs)

40 Channel

75 kg (165 lbs)

48 Channel

87 kg (191 lbs)

24 Channel sidecar 40 kg (88 lbs)

MPS14 psu

2.5 kg (5 lbs)

FC 76.2

482.6

440

263

REMOVABLE RACK EARS

2U HEIGHT

Refer to the power supply user guide for safety and installation instructions.

Heed all

warnings printed in the user guide and on the power unit

Refer to the sidecar user guide for instructions on connecting the sidecar expander to the
console.

130

781

282

HEADPHONES SOCKET

UNDER ARMREST

LAMP SOCKETS

ML4000-48 = 1961

ML4000-40 = 1706

ML4000-32 = 1451

ML4000-24SC = 831

ML4000-24 = 1196

Содержание ML4000

Страница 1: ...SERVICE MANUAL Publication AP4316 Dual Function Live Sound Console ...

Страница 2: ... home site for information on the company and its pedigree our full product range and our design philosophy We also have a site dedicated to the ML Series consoles www allen heath com www mlseries com ML4000 Service Manual AP4316 Issue 3 Copyright 2002 Allen Heath All rights reserved This product complies with the European Electromagnetic Compatibility directives 89 336 EEC 92 31 EEC and the Europ...

Страница 3: ...embly 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 D4...

Страница 4: ...n in the power cord Water and moisture To reduce the risk of fire or electric shock do not expose the power unit or console to rain or moisture or use it in damp or wet conditions Do not place containers of liquids on it which might spill into any openings Ventilation Do not obstruct the ventilation slots or position the console or power unit where the air flow required for ventilation is impeded ...

Страница 5: ...ronment Protect from excessive dirt dust heat and vibration when operating and storing Avoid tobacco ash smoke drinks spillage and exposure to rain and moisture If the console becomes wet switch off and remove mains power immediately Allow to dry out thoroughly before using again Radiation To avoid induced noise and interference pickup do not operate the console close to strong sources of electrom...

Страница 6: ...ine inputs 24 input sidecar to expand to a maximum 96 inputs Main Left Right and Centre outputs with inserts Centre configurable as the engineers monitor 8 Groups 12 Auxes Group Aux 1 8 and Aux 9 12 with faders and inserts Aux 1 8 with rotaries 11x4 Matrix 2 Track monitor input and recording send Stereo headphones and local monitors Talkback mic input ClearCom compatible intercom interface Groups ...

Страница 7: ...5 20 10 SIG 5 0 0 5 5 20 10 SIG 0 5 EDIT SAFE PK 6 STEREO PK 0 6 EDIT SAFE AFL 0 PK 0 6 AFL 6 6 5 20 10 0 5 SIG 5 20 10 SIG 5 0 AFL STEREO PK 0 6 AFL EDIT SAFE STEREO PK 0 6 EDIT SAFE AFL LR MUTE L R TB MUTE LR PAN PAN C L R L TB MUTE C LR PAN O BLEND MIX MAIN BLEND LCR LCR O O AFL MIX MAIN BLEND LCR AFL O OO R L R TB TB MUTE PAN C C LR L R MUTE TB LR PAN C AFL MAIN LCR BLEND MIX MAIN MIX AFL O O ...

Страница 8: ...RU IN Serial No DC POWER IN CHASSIS GROUND SELECT MIDI RS232 SEND SEND SEND SEND RET RET RET RET INSERT INSERT DIRECT OUT DIRECT OUT INSERT INSERT DIRECT OUT DIRECT OUT SEND SEND SEND SEND RET RET RET RET INSERT INSERT DIRECT OUT DIRECT OUT INSERT INSERT DIRECT OUT DIRECT OUT OUT DIRECT SEND INSERT IN IN IN RET RET RET IN IN IN RET RET RET INSERT SEND OUT DIRECT INSERT SEND DIRECT OUT DIRECT INSER...

Страница 9: ...50Hz bell LF 15dB 60Hz shelf Power Supply Model MPS14 Type External 2U rack or floor mount Mains input 100 230V 50 60Hz universal input Power consumption 500W Full protection and fan cooling Built in combiner for redundant supply Dimensions Width Depth Height 24 Channel 1196 47 781 30 7 282 11 1 32 Channel 1451 57 781 282 40 Channel 1706 67 781 282 48 Channel 1961 77 781 282 Sidecar 831 33 781 282...

Страница 10: ...R LR C L R C PEAK LCR PRE FADE POST FADE PRE POST MUTE PRE FADE AUX OPTION LINKS PRE PRE AUX11 STEREO CHANNEL MUTE FADER PAFL MUTE GROUPS VCA GROUPS PAFL LOGIC VCA J3 R J2 SNAPSHOTS L AFL PFL R AFL L MIX R MIX C MIX AUX12 AUX11 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 AUX12 11 12 LEV STEREO PAN PRE AUX11 AUX12 AUX11 AUX12 LEV 11 12 STEREO PAN J10 LAMP INTERCOM IN O...

Страница 11: ...TX GRP 1 8 AUX 1 8 L AFL R AFL L MIX R MIX C MIX MASTER SNAPSHOTS MUTE GROUPS SNAPSHOTS MUTE GROUPS SNAPSHOTS TB GRP L AFL R AFL TB L MIX R MIX C MIX GRP 1 GRP 2 GRP 8 L R GRP 3 GRP 4 C GRP 5 GRP 6 GRP 7 TB ENABLE TB LEVEL MUTE BAL OUT 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 HEADPHONES L R PHONES WEDGE M...

Страница 12: ... 482 6 440 263 REMOVABLE RACK EARS 2U HEIGHT Refer to the power supply user guide for safety and installation instructions Heed all warnings printed in the user guide and on the power unit Refer to the sidecar user guide for instructions on connecting the sidecar expander to the console 130 781 282 HEADPHONES SOCKET UNDER ARMREST LAMP SOCKETS ML4000 48 1961 ML4000 40 1706 ML4000 32 1451 ML4000 24S...

Страница 13: ... a solid central reference earth point Have your mains system checked by a qualified electrician If the supply earthing is solid to start with you are less likely to experience problems Do not remove the earth connection from the console mains plug The console chassis is connected to mains earth through the power cable to ensure your safety Audio 0V is connected to the console chassis internally I...

Страница 14: ...14 ML4000 Service Manual Audio Connector Types and Wiring ...

Страница 15: ...ure that any equipment inserted into the channel is set to operate around 0dBu line level It is best to first set the gain with inserted signal processors such as compressors switched to bypass Matching the Console to Destination Equipment The console produces a standard XLR output level of 0dBu for a meter reading of 0 It can produce a maximum of 23dBu and is therefore well suited to driving equi...

Страница 16: ...onsole MIDI can do 9 Turn channel mutes on and off 9 Recall snapshot memories 9 Snapshot program change messages 9 AFL SysEx messages for BSS dbx controllers 9 Archive console settings and memories What the console MIDI cannot do 8 Turn Mute Groups on and off 8 Turn VCA group mutes on and off 8 Assign channels to VCA groups 8 Control VCA fader levels The capabilities of the console automation syst...

Страница 17: ... pp console snapshot number 00 to 7F MIDI AFL Messages SysEx message strings are transmitted each time an output channel AFL switch is selected or released These are for use with BSS and dbx speaker management systems to automatically select the remote control surface associated with the output being AFL monitored BSS Omnidrive F0 00 20 18 7F 20 tx_event F7 dbx Drive Rack F0 00 01 1E 7F 7F 20 tx_e...

Страница 18: ...time the DUMP and MIDI LEDs light to show that data is being received by the console Note that this operation can take a while during which time the console mute assignment and PAFL operations are interrupted If you are using a MIDI sequencer to record the dump out data string then make sure you play it back at the same speed you recorded it If you dump it back into the console faster than it was ...

Страница 19: ...hen power is removed On power up these settings are restored To Reset the Console Settings Hold down the MIDI CH and EDIT SAFES keys together while turning on the console to reset all current settings This does not affect the contents of the snapshot memories The default settings are restored Selects normal console operating mode Clears all current Mute Group assignments Clears all current VCA Gro...

Страница 20: ...e level trim option disables the channel Aux1 send and uses its send as the direct out level control Two links need to be set in this case one to send the direct output signal through the send control the other to disable the Aux1 send from the channel Refer to drawing D1 2 track output source These are set post master insert and fader as standard Two pairs of jumper links can be replugged to deri...

Страница 21: ...ser Guide AP4143 MPS14 Power Supply Service Manual AL4061 Gooseneck lamp 18 Ordering Spares Spare parts and replacement assemblies can be ordered from Allen Heath When doing this please provide full details including console size and model serial number and description of the part If you are ordering replacement assemblies please quote the channel position in the console Several assemblies need to...

Страница 22: ...0102 20 Nylock Nut M4 AB0105 10 Screw M3 x 4 Pan Torx Black AB0233 10 Screw 4AB x 1 2 Pan Torx Black AB0250 10 Screw M6 x 20 CSK Torx Black AB0310 5 Screw 6B x 3 8 CSK Pozi Zinc AB2082 20 Screw 6B x CSK Pozi Zinc AB2083 10 Screw 8B x 3 8 CSK Pozi Black AB2085 10 Screw M4 x 12 CSK Torx Black AB2086 5 Screw 3 5 x 25 Chipboard Pan Pozi AB2647 5 Screw M4 x 8 CSK Torx Black AB2777 5 Screw 6B x 5 16 Pan...

Страница 23: ...uminated White AJ8107 10 Faders Potentiometers Switches and connectors Pot 10KC x 2 103C 14mm wide AI0150 2 Fader 10KA Dust 60mm AI3497 5 Pot 20KK 203K 11mm wide AI8003 10 Pot 20KB C D 203B 11mm wide AI8004 10 Pot 200KC x 2 204C 11mm wide AI8005 5 Pot 20KB x 2 centre click 14mm wide AI8006 3 Pot 20KK x 2 203K 14mm wide AI8007 1 Pot 10K 103AC 14mm wide AI8008 5 Pot 200KC x 2 204C 14mm wide AI8009 5...

Страница 24: ...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 3 Transistor Mosfet BSS138 AE3498 1 IC CMOS 74HCT02 AE3988 1 IC SN75176BP AE3989 1 LED Rect Red 5 x 2 5mm Flat Top AE4015 3 LED Rect Yellow 5 x 2 5mm Flat Top AE4016 3 LED Rect Green 5 x 2 5mm Flat Top AE4017 3 IC THAT2155 VCA AE4279 5 Transistor 2SB737 PNP ...

Страница 25: ...rx 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 Torx Black AB2777 5 Screw 6B x 5 16 Pan Torx Black AB2809 10 Screw 4 x 5 16 Poly Pan Torx Black AB2810 10 Clip TO220 Type 4426 AB3547 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...

Страница 26: ...854AN 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 ...

Страница 27: ...RAWINGS show the interconnection between the various circuit assemblies These are marked with letter references to help you find the associated connectors on the circuit diagrams The PCB and CIRCUIT drawings show the details for each assembly Option and assignment links are marked where appropriate The drawings included are listed in the contents at the start of this manual If you have any queries...

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