ALLEN & HEATH ML3000 Service Manual
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ALLEN & HEATH ML3000 Service Manual

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Dual Function Live Sound Console
SERVICE MANUAL
Publication AP4511

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Summary of Contents for ALLEN & HEATH ML3000

  • Page 1 Dual Function Live Sound Console SERVICE MANUAL Publication AP4511...
  • Page 2 Introduction This service manual provides technical information on the Allen & Heath ML3000 audio console. Included is the technical specification, system block diagram, circuit schematics with board layouts, and a spare parts list. Information on the power supply is available in a separate publication. Only technically qualified service personnel should carry out service work on the console and its power supply.

  • Page 3: Table Of Contents

    Important Safety Instructions ......4 TECHNICAL DRAWINGS ........Mains Plug Wiring Instructions......5 BLOCK DIAGRAM .........M1 General Precautions .........5 MONO INPUT .......... D1-D3 ML3000 Key Features........6 STEREO INPUT ........D4-D7 Front Panel Layout..........7 MASTER CONNECTOR......D8-D10 Rear Panel Layouts...........8 GROUP / AUX ........D11-D13 Technical Specifications........9...

  • Page 4: Important Safety Instructions

    Refer servicing to qualified technical personnel only. Installation Install the console in accordance with the instructions printed in this User Guide. Do not connect the output of power amplifiers directly to the console. Use audio connectors and plugs only for their intended purpose. ML3000 Service Manual...

  • Page 5: Mains Plug Wiring Instructions

    The console should be transported in the original packing or purpose built foam lined flightcase. Protect the control surface from damage during transit. The console is a large and heavy item. To avoid injury ensure adequate man power and precaution when lifting or moving the console. ML3000 Service Manual...

  • Page 6: Ml3000 Key Features

    ML3000 Key Features The Allen & Heath ML3000 is a small footprint, affordable VCA equipped dual function live sound console providing many of the features of its larger brothers the ML4000 and ML5000. It can be quickly configured for front-of-house (FOH) or stage monitor mixing. As one console suitable for both applications it is equally well suited to installation, rental and touring.

  • Page 7: Front Panel Layout

    MUTE Assign MUTE and VCA groups: Select using GRP MUTE Assign using CH MUTES GROUP ASSIGN GROUP ASSIGN GROUP ASSIGN VIEW DUMP Press and Hold with GRP MUTE View on channels GROUP GROUP GROUP ASSIGNED ASSIGNED ASSIGNED ML3000 Service Manual...

  • Page 8: Rear Panel Layouts

    INPUT SYS-LINK LOGIC SYS-LINK ( option ) SYS-LINK ( option ) MASTER ( from slave ) OUTPUT AUDIO OUTPUT ( to master ) OUTPUT INPUT AUDIO INPUT ( from slave ) INPUT SLAVE ( to master ) ML3000 Service Manual...

  • Page 9: Technical Specifications

    TB/Osc out ....TRS jack ..imp balanced, tip+ ..<50 ohm....0dBu ........Max +21dBu Local Monitor ....TRS jack ..imp balanced, tip+ ..<50 ohm....0dBu ........Max +21dBu Headphones....TRS jack ..tip left, ring right..for stereo headphones >30 ohms ML3000 Service Manual...

  • Page 10: System Block Diagram

    GRP 3 GRP 4 POST-FADE AUX9 AUX10 AUX1 AUX2 AUX3 AUX4 AUX5 AUX6 STEREO 7-8 LEV OSC/NOISE/TALKBACK OSC/NOISE TO TB TB/OSC OUT PINK NOISE TRIM +48V TRIM TALK TO TB TB MIC 1kHz OSC Disable MONITOR DIM ML3000 Service Manual...
  • Page 11 L METERS AFL MIX METERS 1-4 PFL AFL PFL MIX R METERS SL SL METERS 5-8 PAFL LOGIC MATRIX C METERS METER SELECT MONITOR SOURCE PHONES WEDGE MON HEADPHONES TB DIM 2TRK MONO LOCAL 2TRK LOCAL MONITOR ML3000 Service Manual...

  • Page 12: Installation Details

    41 kg (90 lbs) 40 Channel 48 kg (106 lbs) RPS11 psu 9.5 kg (21 lbs) PHONES SOCKET LAMP SOCKETS ML3000-24 = 1141 ML3000-32 = 1396 ML3000-40 = 1651 FC 57 (3U) 482.6 Refer to the power supply user guide for safety and installation instructions.

  • Page 13: Earthing

    0V earth at the console. Use good quality cables and connectors and check for correct wiring and reliable solder joints. Allow sufficient cable loop to prevent damage through stretching. ML3000 Service Manual...

  • Page 14: Audio Connector Types And Wiring

    Audio Connector Types and Wiring SYS-LINK II ML3000 Service Manual...

  • Page 15: Gain Structure

    The output faders are best operated around ‘-10’ to ‘0’ Using the Meters. The ML3000 provides metering for loudest average volume required. This allows of inputs and outputs. For best results operate the plenty of additional headroom if you need it.

  • Page 16: Midi

    MIDI / RS232 MIDI Overview MIDI MIDI The ML3000 includes a Musical Instrument Digital RS232 CH1-16 Interface (MIDI) port. Standard 5-pin IN and OUT SLAVE sockets allow connection external MIDI mode equipment such as computer show control systems, sequencers, instruments...
  • Page 17 = console snapshot number 00H to 7FH CH 36 CH 37 CH 38 CH 39 CH 40 CH 41 CH 42 CH 43 CH 44 CH 45 CH 46 CH 47 CH 48 STEREO 1 STEREO 2 ML3000 Service Manual...
  • Page 18 Transmit and Receive. The format for a single later date, for example a re-run of a previous packet is as follows: performance. You can also use the dump facility to program additional ML3000 consoles, for example <SysEx header> <packet type>...

  • Page 19: Console Computer And Operating Software

    Power Up and Power Down You can check the current version number of the The console settings are remembered when power ML3000 software running on the console using a is removed. On power up these settings are PC connected via RS232. Instructions for this are restored.

  • Page 20: Internal Option Links

    Internal Options Links The ML3000 is designed to offer the utmost flexibility to satisfy the application without modification. However, the following internal link options are provided to allow customisation to satisfy the more specialist applications or personal preferences. Remember to set these internal links according to...

  • Page 21: The Range

    32 Channel vinyl dustcover AP4510 40 Channel vinyl dustcover SERVICE TOOLS The tools required to service the ML3000 are standard to an electronics service workshop and are easily obtainable. The following items are necessary for disassembly and service access: TOOL ORDER CODE...

  • Page 22: Ordering An Assembly

    ORDERING AN ASSEMBLY The following assemblies for the ML3000 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 002-742 Stereo Input PCB assembly...
  • Page 23 20 way Dist. to Meter harness AL4657 10 way Meter Power harness AL4664 THE CHASSIS TRIM DESCRIPTION ORDER CODE ML3000 (all formats) Left & Right Chassis side trims AA4432-L/R Left & Right Moulded side trims AA4433-L/R Ident strip Master AK4439 Ident strip Master Rear...
  • Page 24 It is recommended that the spares kit order code 002-781 is held and maintained by the service agent to enable in-field service repairs to the ML3000 independent of the ALLEN & HEATH factory. Commonly available items such as resistors, capacitors, tools and soldering equipment are not included.
  • Page 25 POT ALPS 11MM 5K RD REV 502RD AI8111 FADER ALPS 100MM 10KD(T) DUST AI8117 SWITCH 2PCO LATCH SINGLE AL0162 JACK SKT STEREO SW PCB CHROME AL0328 JACK SKT 1/4" ST PCB MET AL4713 JACK NUT NKL PTD BRASS RING AL4715 ML3000 Service Manual...
  • Page 26 AE0086 IC CMOS 4053B - CD4053BCN AE0117 IC CMOS 4051B - CD4051BCN AE0118 IC NE5532N OP-AMP AE0221 IC 6N136 OPTO-ISOLATOR AE0222 IC REGULATOR 7805 AE0308 IC CMOS 74HC165 AE2749 IC CMOS 74HC4094N AE2755 IC LM393N COMPARATOR AE2818 ML3000 Service Manual...

  • Page 27: Power Supply

    AE0239 TRANSISTOR MJ11016 AE0240 TRANSISTOR COVER T03 AK2767 THYRISTOR TIC126M 12A AE0272 IC REGULATOR 783 AE0214 IC REGULATOR UA723CN AE0056 FUSE HOLDER 20MM PANEL 10A AL4219 DC CABLE ASSY (10 PIN PLUG → 10 PIN 002-223 SOCKET) ML3000 Service Manual...
  • Page 28 Fitting Instructions for ML3000-SLV2 Kit These are the instructions for fitting the SYS-LINK Version 2 console expander option kit to the ML3000 console. This work must be carried out by technically qualified service personnel only. Whilst we believe this information to be reliable we do not assume responsibility for inaccuracies.
  • Page 29 Software Compatibility The ML3000 must be loaded with V1.31 or higher operating software for the SYS-LINK option to function correctly. You can check the current version number of the console software using a PC connected via RS232. Instructions for this and the latest version of software are provided on the Allen &...
  • Page 30 3 cable ties (AK0151) Fig. 5 Step 8: Fit the free end of 20way harness AL4685 to CN10 on the master distribution PCB assembly Fig. 5. Fig.5 Midi- power Master distribution AL4685 CN10 AP4721 ML3000-SLV2 Fitting Notes...
  • Page 31 Check your work and remove any dirt or debris from within the console. Re-fit the base panel. AL4686 Step 13: Connect power and test the SYS-LINK system for correct operation. Refer any queries to Allen & Heath technical support. AP4721 ML3000-SLV2 Fitting Notes...
  • Page 32 Technical Drawings The following section includes the full set of technical drawings associated with the ML3000. The BLOCK DIAGRAM is the same as printed in the User Guide and illustrates the signal flow through the console. The MAP DRAWINGS show the interconnection between the various circuit assemblies.
  • Page 35 200KC X2 20KB 20KB ALLEN&HEATH ISSUE DATE BRKT BRKT BRKT BRKT BRKT BRKT BRKT BRKT ML3000 MONO INPUT TITLE: Kernick Industrial Estate, Penryn, Cornwall, PAGE: POT_GND England. TR10 9LU Tel: +44 (0)8707 556250 C4450 DRG No: ISSUE: SHEET: Fax: +44 (0)8707 556251 FILE: C4450_2P1.Sch...
  • Page 36 20KK 20KK ALLEN&HEATH ISSUE DATE BRKT BRKT BRKT BRKT BRKT BRKT BRKT BRKT BRKT BRKT ML3000 MONO INPUT TITLE: Kernick Industrial Estate, Penryn, Cornwall, PAGE: POT_GND POT_GND1 England. TR10 9LU Tel: +44 (0)8707 556250 C4450 DRG No: ISSUE: SHEET: Fax:...
  • Page 38 ALLEN&HEATH 2X10KC 2X20KB 2X20KB 2X20KB 2X20KB ISSUE DATE BRKT BRKT BRKT BRKT BRKT BRKT ML3000 STEREO INPUT TITLE: Kernick Industrial Estate, Penryn, Cornwall, PAGE: England. TR10 9LU Tel: +44 (0)8707 556250 4451 DRG No: ISSUE: SHEET: Fax: +44 (0)8707 556251 FILE: C4451_2.1P1.Sch...
  • Page 39 20KK ALLEN&HEATH ISSUE BRKT DATE BRKT BRKT BRKT BRKT BRKT BRKT BRKT BRKT BRKT ML3000 STEREO INPUT TITLE: Kernick Industrial Estate, Penryn, Cornwall, PAGE: POT_GND1 England. TR10 9LU Tel: +44 (0)8707 556250 4451 DRG No: ISSUE: SHEET: Fax: +44 (0)8707 556251 FILE: C4451_2.1P2.Sch...
  • Page 40 R152 1N/MYL EARTH SCREW TERMINAL 47/25 100N 63V/PE R155 10R PF SIL 5 M STRT LCK ALLEN&HEATH ISSUE DATE ML3000 STEREO INPUT TITLE: Kernick Industrial Estate, Penryn, Cornwall, PAGE: England. TR10 9LU Tel: +44 (0)8707 556250 4451 DRG No: ISSUE:...
  • Page 42 MATRIX_OUT-4 BOX 5X2 M 90 DEG BOX 5X2 M 90 DEG BOX 5X2 M 90 DEG BOX 5X2 M 90 DEG ALLEN&HEATH ISSUE DATE ML3000 MASTER CONNECTOR PCB TITLE: Kernick Industrial Estate, 07-06-01 Penryn, Cornwall, PAGE: 14-01-02 England. TR10 9LU...
  • Page 43 ST2_R+ ST4_R+ SLOT 18.0MM SLOT 18.0MM ST2_R- ST4_R- FLEX SKT 12 WAY VERT FLEX SKT 12 WAY VERT ALLEN&HEATH ISSUE DATE ML3000 MASTER CONNECTOR PCB TITLE: HOLE-AI HOLE-AI Kernick Industrial Estate, 07-06-01 Penryn, Cornwall, PAGE: 14-01-02 England. TR10 9LU Tel:...
  • Page 45 10K 1% NE5532 NE5532 NE5532 NE5532 NE5532 22P/DISK 100N 100N LED_CHAIN_C GRPN_POSTFADE ALLEN&HEATH BRKT ISSUE DATE ML3000 GROUP/AUX TITLE: VR1B Kernick Industrial Estate, 20KK Penryn, Cornwall, PAGE: England. TR10 9LU Tel: +44 (0)8707 556250 C4452 DRG No: ISSUE: SHEET: Fax:...
  • Page 46 FADER ALPS 60MM 10KA VR2C VR3C 2X20KB 10KAC BRKT ALLEN&HEATH FDR1B ISSUE DATE BRKT BRKT ML3000 GROUP/AUX TITLE: FADER ALPS 60MM SINGLE PCB Kernick Industrial Estate, Penryn, Cornwall, PAGE: POT_GND England. TR10 9LU Tel: +44 (0)8707 556250 C4452 DRG No:...
  • Page 48 VU_FEED_MTX LED T1 3MM GREEN LED T1 3MM YELLOW 22P/DISK ALLEN&HEATH BRKT BRKT BRKT BRKT BRKT BRKT BRKT BRKT ISSUE DATE ML3000 AUX/MATRIX TITLE: VR1B VR2B VR3B VR4B VR5B VR6B VR7B VR8B 11-01-02 Kernick Industrial Estate, 20KK 20KK 20KK 20KK...
  • Page 49 LED T1 3MM RED LED T1 3MM RED EARTH SCREW TERMINAL 470R 470R MUTE_GRP_LED VCA_GRP_LED MUTE GROUPS VCA GROUPS ALLEN&HEATH ISSUE DATE ML3000 AUX/MATRIX TITLE: 11-01-02 Kernick Industrial Estate, Penryn, Cornwall, PAGE: England. TR10 9LU Tel: +44 (0)8707 556250 C4453 DRG No: ISSUE:...
  • Page 51 IDC 10X2 M STRT BRKT VR3B CFADER_W FADER ALPS 100MM SINGLE PCB CFADER_T FADER ALPS 100MM ALLEN&HEATH ISSUE DATE TITLE: ML3000 MASTER DISTRIBUTION PCB Kernick Industrial Estate, Penryn, Cornwall, PAGE: England. TR10 9LU Tel: +44 (0)8707 556250 4536 DRG No: ISSUE: SHEET:...
  • Page 53 BOX 13X2 M 90 DEG DB37FH(DMR) DB37FH(DMR) ALLEN&HEATH ISSUE DATE ML3000 SYSLINK IN TITLE: 10/7/01 Kernick Industrial Estate, 21/8/01 PCB PROFILE CHANGED TO MAKE SPACE FOR NEW MIDI PWR PCB Penryn, Cornwall, PAGE: 08-01-02 VALUE CHANGES AND 1 TRACK CHANGE England.
  • Page 55 +5V(2) 1R0 3W D GND CHASSIS 100N 100V/MLC 100N 100V/MLC 47/25 +5VL +5V(2) D GND ALLEN&HEATH ISSUE DATE ML3000 MIDI POWER TITLE: 03/09/01 Kernick Industrial Estate, 05/10/01 Penryn, Cornwall, PAGE: 27-10-01 England. TR10 9LU 11-01-02 Tel: +44 (0)8707 556250 AG4622...
  • Page 57 PROMICE +5VL SRAM FLASH +5VL CONNECTOR +5VL +5VL +5VL CSBOOT_L +5VL +5VL 100N_S RES_L 100N_S 100N_S 100N_S RESET 100N_S DGND 100R 0805 BC848B DGND DGND DS1233 FDV304P SPIMOSI1 PB0/TP8/TIOCA3 P40/D0 SPIMOSI2 DGND PB1/TP9/TIOCB3 P41/D1 SPIMOSI3 CSSR_L +5VL 10K 1% 0805 DGND PB2/TP10/TIOCA4 P42/D2...
  • Page 58 +5VL SPIOE +5VL SPICSL_L U14F SPIOEL U14G U15E SPISTBL SPILDL_L SPICLKL3 100N_S 10R 0805 VFBA2L 74HC04 VFBA1L 74HC08 74HC04 SPICSM_L VFBA0L SPICLKL2 U14E 10R 0805 U14A 74HC541 74HC04 SPICSR_L 74HC04 U14D U14B SPIOEM 74HC04 SPISTBM U15A SPILDM_L 74HC04 SPICLKM 10R 0805 VFBA2M U14C SPICLK...
  • Page 59 L1-8 CONNECTOR L9-16 CONNECTOR L17-24 CONNECTOR +5VL FADEN_L CON1 CON2 CON3 VDAC MF1-8 VDAC MF9-16 VDAC MF17-24 0R0 0805 0R0 0805 +5VADC VFBA0L +5VADC VFBA0L +5VADC VFBA0L MTREN_L VFBA1L VFBA2L VFBA1L VFBA2L VFBA1L VFBA2L MTREN_L FADEN_L MTREN_L FADEN_L MTREN_L FADEN_L DGND VCAWR1-8_L SPICLKL1...
  • Page 61 NE5532 NE5532 TL072 RIGHT_OUT+ 8K2 1% 100/25 8K2 1% NE5532 10K 1% 22P/DISK ALLEN&HEATH ISSUE DATE ML3000 LCR PCB TITLE: Kernick Industrial Estate, Penryn, Cornwall, PAGE: England. TR10 9LU Tel: +44 (0)8707 556250 4464 DRG No: ISSUE: SHEET: Fax: +44 (0)8707 556251 FILE: C4464_1P1.Sch...
  • Page 62 BOX 5X2 M 90 DEG BOX 13X2 M 90 DEG EARTH SCREW TERMINAL 47/25 100N 63V/PE 10R PF ALLEN&HEATH ISSUE DATE ML3000 LCR PCB TITLE: Kernick Industrial Estate, Penryn, Cornwall, PAGE: England. TR10 9LU Tel: +44 (0)8707 556250 4464 DRG No:...
  • Page 64 SH/LD ASSIGN_GRP_SW CLK INH SPICLK SLAVE_MODE_SW +5VD MIDI_CH_SW SPIMISO_3 MUTE_SW_ST1 MUTE_SW_ST2 74HC165 ALLEN&HEATH ISSUE DATE ML3000 MASTERFADER TITLE: Kernick Industrial Estate, Penryn, Cornwall, PAGE: England. TR10 9LU Tel: +44 (0)8707 556250 C4458 DRG No: ISSUE: SHEET: Fax: +44 (0)8707 556251 FILE: C4458_AP1.Sch...
  • Page 65 MUTE_GRP_SW8 MUTE_GRP_LED8 SIL 5 M 90 DEG LCK ALLEN&HEATH ISSUE DATE BRKT BRKT BRKT BRKT BRKT BRKT BRKT BRKT ML3000 MASTERFADER TITLE: VR3B VR4B VR5B VR6B VR7B VR2B VR1B Kernick Industrial Estate, VR8B Penryn, Cornwall, 100MM 10KB 100MM 10KB 100MM 10KB...
  • Page 66 VIEWLED_ST1S +5VDS 820R 1% LD10 VIEWLED_ST2S AGNDS TRANSITION 10X2 820R 1% ALLEN&HEATH ISSUE DATE ML3000 MASTERFADER TITLE: BRKT BRKT Kernick Industrial Estate, Penryn, Cornwall, PAGE: ST1B ST2B England. TR10 9LU FADER ALPS 100MM SINGLE PCB FADER ALPS 100MM SINGLE PCB...
  • Page 68 47/25 100/25 100N 63V/PE 100N 63V/PE R120 EARTH SCREW TERMINAL 10R PF 10R PF 10R PF ALLEN&HEATH ISSUE DATE ML3000 MASTER TITLE: 14-01-02 Kernick Industrial Estate, Penryn, Cornwall, PAGE: England. TR10 9LU Tel: +44 (0)8707 556250 4454 DRG No: ISSUE:...
  • Page 69 TB_SIG 47/63 GREEN GREEN TL072 NE5532 TB_OUT 100K TB_EN BC549 100K ALLEN&HEATH ISSUE DATE ML3000 MASTER TITLE: 14-01-02 Kernick Industrial Estate, Penryn, Cornwall, PAGE: England. TR10 9LU Tel: +44 (0)8707 556250 4454 DRG No: ISSUE: SHEET: Fax: +44 (0)8707 556251 FILE: C4454_2P2.Sch...
  • Page 70 C TO MON SW11A PHONES_L SUN2PL VR2C VR3C POT GANGED POT GANGED ALLEN&HEATH ISSUE DATE BRKT BRKT ML3000 MASTER TITLE: 14-01-02 Kernick Industrial Estate, Penryn, Cornwall, PAGE: England. TR10 9LU Tel: +44 (0)8707 556250 4454 DRG No: ISSUE: SHEET: Fax:...
  • Page 72 GREEN CHAIN 4 CHAIN 4 CHAIN 4 CHAIN 4 LM339 LM339 LM339 LM339 ALLEN&HEATH ISSUE DATE ML3000 MONO FADER PCB TITLE: Kernick Industrial Estate, Penryn, Cornwall, PAGE: England. TR10 9LU Tel: +44 (0)8707 556250 C4457 DRG No: ISSUE: SHEET: Fax:...
  • Page 73 VCAWR SPICLK SPISTB SPILD SPIOE SPIMOSIA SPIMOSIB SPIMISO AGND 100N 100N AGND +17V -17V TRANSITION 13X2 ALLEN&HEATH ISSUE DATE ML3000 MONO FADER TITLE: VR1B VR2B VR3B VR4B VR5B VR6B VR7B VR8B BRKT BRKT BRKT BRKT BRKT BRKT BRKT BRKT Kernick Industrial Estate,...
  • Page 75 XLR NC3FAV20 XLR NC3FAV20 XLR NC3FAV20 XLR NC3FAV20 C1_4 C1_5 C1_6 C1_7 HOLE-AI HOLE-AI ALLEN&HEATH ISSUE DATE ML3000 MONO CONNECTOR PCB TITLE: 29-05-01 Kernick Industrial Estate, 14-06-01 Penryn, Cornwall, PAGE: 16-08-01 England. TR10 9LU 14-01-02 Tel: +44 (0)8707 556250 C4455...
  • Page 77 PIN-SOLDER 1.5MM PIN-SOLDER 1.5MM DGND HOLE-AI HOLE-AI PIN-SOLDER 1.5MM PIN-SOLDER 1.5MM AGND HOLE-AI HOLE-AI ALLEN&HEATH ISSUE DATE ML3000 SYSLINK OUT TITLE: Kernick Industrial Estate, 26/7/01 Penryn, Cornwall, PAGE: 11/10/01 England. TR10 9LU 31/10/01 Tel: +44 (0)8707 556250 AG4461 DRG No:...
  • Page 79 100K RS4D 47K MTX_LED +VPEAK METERS=MTX METERS=MTX -17V LM393 LM393 ALLEN&HEATH ISSUE DATE ML3000 MASTER METER PCB TITLE: CONNECTOR CHANGES & CHANGES TO SIGNALS AT CN1 03-07-01 Kernick Industrial Estate, 22-08-01 Penryn, Cornwall, PAGE: ??-11-01 England. TR10 9LU 14-01-02 Tel:...
  • Page 80 PIN-SOLDER 1.2MM 10R 3W PIN-SOLDER 1.2MM 10R 3W PIN-SOLDER 1.2MM -17V PIN-SOLDER 1.2MM ALLEN&HEATH ISSUE DATE ML3000 MASTER METER PCB TITLE: CONNECTOR CHANGES & CHANGES TO SIGNALS AT CN1 03-07-01 Kernick Industrial Estate, 22-08-01 Penryn, Cornwall, PAGE: ??-11-01 England. TR10 9LU...
  • Page 82 LED T1 3MM GREEN +10VA +VMTRA +10VA +10VC 0VA_C MTX_LED RES NF +10VA +10VC +5VA 0VA_A NE5532 SOLDER ASSIG MT1/13 NE5532 +5VA MT13 JS17 MT2/14 V_DIV_REFA MT14 MT3/15 MT15 10/16 MT4/16 MT16 RES NF MT5/9 +VMTRA MT6/10 MT10 NE5532 MT7/11 FLEX SKT 12 WAY 90 DEG MT11 MT8/12...
  • Page 83 +10VB +VMTRB +10VB +10VD 0VA_D U10A RES NF +10VB +10VD +5VB 0VA_B U10C NE5532 SOLDER ASSIG MT1/13B NE5532 +5VB MT13 JS18 MT2/14B V_DIV_REFB U10B MT14 MT3/15B MT15 10/16 MT4/16B MT16 RES NF +VMTRB MT5/9B ML3MT1 MT6/10B ML3MT2 FLEX SKT 12 WAY 90 DEG MT7/11B NE5532 ML3MT3...

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