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Alesis MultiMix 12 USB Service Manual
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Alesis MultiMix 12 USB Service Manual

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ALESIS
MultiMix 12 USB
(XU6)
Service Manual
P/N: 8-31-0156-A
ATTENTION!
THIS DOCUMENT CONTAINS SENSITIVE
PROPRIETARY INFORMATION.
ALL RECIPIENTS MUST HAVE A CURRENT
NON-DISCLOSURE AGREEMENT ON FILE
WITH ALESIS, LLC.
DO NOT MAKE ILLEGAL
COPIES OF THIS DOCUMENT
The information in this document contains privileged and confidential information.
It is intended only for the use of those authorized by Alesis. If you are not the
authorized, intended recipient, you are hereby notified that any review,
dissemination, distribution or duplication of this document is strictly prohibited. If
you are not authorized, please contact Alesis and destroy all copies of this
document. You may contact Alesis at servicemanuals@alesis.com or at
support@alesis.com.
Copyright Alesis, LLC
Confidential
Alesis Service Manual
8-31-0156-A

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Summary of Contents for Alesis MultiMix 12 USB

  • Page 1 COPIES OF THIS DOCUMENT The information in this document contains privileged and confidential information. It is intended only for the use of those authorized by Alesis. If you are not the authorized, intended recipient, you are hereby notified that any review, dissemination, distribution or duplication of this document is strictly prohibited.
  • Page 2 Your purchase of the Manual shall be for your own ultimate use and shall not be for purposes of resale or other transfer. As the owner of the copyright to the Manual, Alesis does not give you the right to copy the Manual, and you agree not to copy the Manual without the written authorization of Alesis. Alesis has no obligation to provide to you any correction of, or supplement to, the Manual, or any new or superseding version thereof.
  • Page 3 ALL REPAIRS DONE BY ANY ENTITY OTHER THAN AN AUTHORIZED ALESIS SERVICE CENTER SHALL BE SOLELY THE RESPONSIBILITY OF THAT ENTITY, AND ALESIS SHALL HAVE NO LIABILITY TO THAT ENTITY OR TO ANY OTHER PARTY FOR ANY REPAIRS BY THAT ENTITY.

  • Page 4: Safety Instructions

    The product is exposed to water or excessive moisture, c. The AC power supply plug or cord is damaged, d. The product shows an inappropriate change in performance or does not operate normally, or e. The enclosure of the product has been damaged. Confidential Alesis Service Manual 8-31-0156-A...

  • Page 5: Specifications

    Windows and Macintosh computers. Three Models: Specifications Multimix 12 USB (4 mic/line preamps, 4 stereo inputs) For the more technical-minded, here are some detailed Clean and powerful preamps – up to 50dB of preamp specifications for the MultiMix’s operating levels.
  • Page 6 Range: - ∞ to +10dB 1/4” Inputs Stereo Aux Return Level: +4dBu nominal, +20dBu maximum RCA Inputs Tape In Level: -10dBV nominal, +5dBV maximum 1/4” Outputs Main Mix, Ctrl Room, Aux 3/4, Ext Aux Send Level: +4dBu nominal, +20dBu maximum Headphone Output: 75 ohm output impedance >105mW into 75 ohms, >40mW into 600ohms...

  • Page 7: Packing Diagram

    PACKING DIAGRAM (US/EU/UK/AUS NZ)
  • Page 8 ALESIS MultiMix 12 USB (XU6) SCHEMATIC FILES Confidential Alesis Service Manual 8-31-0156-A...

  • Page 9: Disassembly Procedures

    DISASSEMBLY PROCEDURES 1. REMOVAL OF TOP PANEL/BOTTOM PANEL (Fig.1) (A) TAKE OUT THE 12 PCS SCREW FROM WHICH THE TOP PANEL (B) TAKE OUT THE 9 PCS SCREW FROM WHICH THE BOTTOM PANEL (Fig.1) 2. REMOVAL OF MAIN P.C.B (Fig.2) (A) REMOVE THE 62 PCS KNOB FROM WHICH THE TOP PANEL (B) REMOVE THE 25 PCS NUT AND 25 PCS WASHER FROM WHICH THE TOP PANEL REMOVE THE 24 PCS SCREW FROM WHICH THE TOP PANEL...
  • Page 10 3.REMOVAL OF POWER P.C.B (Fig.3) (A) REMOVE THE 2 PCS SCREW FROM THE POWER P.C.B (B) REMOVE THE 2 PCS SCREW FROM THE BRACKET (C) REMOVE THE 3 PCS OF CABLE CONNECTOR FROM THE POWER P.C.B (D) REMOVE THE 2 PCS SCREW FROM THE USB P.C.B (Fig.3)

  • Page 11: Wiring Diagram

    WIRING DIAGRAM (US/EU/UK/AUS NZ)

  • Page 12: Explode Diagram

    EXPLODE DIAGRAM (US/EU/UK/AUS NZ) SEQUENCIAL NO OF EXPLODE DIAGRAM WILL BE MARKED ON REF. COLUMM OF BOM LIST...
  • Page 14 +48V VR49 C308 C307 VR50 C310 C309 VR51 R532 R540 R550 R159 C312 C311 V-15 VR52 R533 R543 R552 2K49I R551 R162 IC10B C313 CH FADER C133 C314 183J 10KAC 1000UF/6V R534 R546 R554 R553 R165 IC11B C135 R397 1N4148 R535 R549 R556...
  • Page 15 22uF/16V 22uF/16V R185 14K7 C225 C218 C275 C276 V+15 C277 100n R186 C122 330P R530 R528 C106 10uF/25V 7K32 1K%1 C348 NJM4580E NJM4580E NJM4580E NJM4580E IC17C IC15 R527 R136 R187 22uF/16V IC3A IC3B 47/25V 47/25V IC45A 47/25V IC43A R153 C116 AL1201 C125 TL084...
  • Page 16 VL2+ VL3+ VL4+...
  • Page 26 ALESIS MultiMix 12 USB (XU6) Confidential Alesis Service Manual 8-31-0156-A...
  • Page 27 MULTIMIX 12USB BOM DESCRIPTION LEVEL 1 BAKCA-04 PCB HOLDER 1 NP613ALE27 NAME PLATE 1 PT1310652 KNOB 1 PT1310635 KNOB SMALL BLACK 1 LAP67YAH255 STICKER BARCODE UPC 1 PT1310625 SWITCH CAP 1 RU1304406 RUBBER 1 5-04-0049 SPACER PCB 1 PT1310617 KNOB CAP LARGE BLUE 1 PT1310618 KNOB LARGE 1 PT1310619...
  • Page 28 MULTIMIX 12USB BOM DESCRIPTION LEVEL RS10018J05 RESISTOR 10O (SMD) R22U RS10118J05 RESISTOR 100O (SMD) R5U,8U RS10518J05 RESISTOR 1M (SMD) RS15218J05 RESISTOR 1K5 (SMD) R19U RS18318J05 RESISTOR 18K (SMD) R1U,2U RS22018J05 RESISTOR 220O (SMD) R12U,13U RS27318J05 RESISTOR 27K (SMD) R3U,4U RS39218J05 RESISTOR 3K9 (SMD) R6U,7U TE612000202...
  • Page 29 MULTIMIX 12USB BOM DESCRIPTION LEVEL EC10625T ELECT 10UF/25V C233,235,237,239,251,254,257,260,277 EC10635TS ELECT 10UF/35V (S) C306 EC10710TS ELECT 100UF/10V (S) C376,377,378,379,384,385,386,387 EC10806T ELECT 1000UF/6.3V C253,256,259,262 EC22450T ELECT 0.22UF/50V C241,242,243,244,252,255,258,261 EC22450TS ELECT 0.22UF/50V (S) C279,282,286,288 EC22550TS ELECT 2.2UF/50V (S) C395,396,397,398,417 EC22616TS ELECT 22UF/16V (S) C265,275,276,348,350 C388,389,390,391,399,400,401,402,403,404,405 EC22710TS...
  • Page 30 MULTIMIX 12USB BOM DESCRIPTION LEVEL RS18218J05 RESISTOR 1K8 (SMD) R418,426 8,149,157,160,163,166,492,501,502,505,517,51 RS20318J05 RESISTOR 20K (SMD) RS22118F05 RESISTOR 220O (SMD)1% R355 R17,34,158,161,164,167,169,171,172,173,174,1 RS22218J05 RESISTOR 2K2 (SMD) 75,176,178 R408,409,416,417,424,425,433,434,444,447,448 RS22318J05 RESISTOR 22K (SMD) ,449,496,498 RS22418J05 RESISTOR 220K (SMD) R513 RS24218J05 RESISTOR 2K4 (SMD) R271,293 RS27218J05 RESISTOR 2K7 (SMD)
  • Page 31 MULTIMIX 12USB BOM DESCRIPTION LEVEL TRA1316GR TRANSISTOR 2SA1316GR Q21~28 TRBC847B TRANSISTOR BC847B 16 Q1~8,10~17 TRB857B TRANSISTOR BC857B Q9,18~20 TRBF513 TRANSISTOR BF513 FET1~4 VRK10301202 VR 103AC VR49~56 VRK1030904 VR 103W 16 VR31~38,40~47 VRK5020902 VR 502R VR1~4 VRK50301203 VR 503B 12 VR9~12,17~20,26~29 VRK50301204 VR 503W VR30,39,48...
  • Page 32 MULTIMIX 12USB BOM DESCRIPTION LEVEL SC0308RIZI SCREW (PIC9) TE512540301 TERMINAL 3P 2.54mm TE612000202 CONNECTOR 2P (PTE5,6) TE612000301 CONNECTOR 3P (PTE9,10) TE612000402 CONNECTOR 4P (PTE11) TE612000801 CONNECTOR 8P (PTE8) TE812000311 CONNECTOR 3P (PTE12) TE8731002 SHORT TERMINAL (PJ1) TRBD239C TRANSISTOR BD239C PIC5 UH11-2012-102T BEAD (SMD) PL1,3...