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Confidential 

Alesis Service Manual 

8-31-0156-A 

 

ALESIS 

 

MultiMix 12 USB 

(XU6) 

Service Manual 

P/N: 8-31-0156-A 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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 

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

 

Summary of Contents for MultiMix 12 USB

Page 1: ...ou 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 ATTENTION THIS DOCUMENT CONTAINS SENSITIVE PROPRIETARY INFORMATION ALL RECIPIENTS MUST HAVE A...

Page 2: ... to the Manual shall be solely your responsibility and Alesis shall have no liability for any such repairs or service work All such service or repairs are performed at the sole risk of the person performing the service or repairs You agree that all such work will be performed in a competent professional and safe manner at all times and to indemnify and fully hold Alesis and its successors and assi...

Page 3: ... COMPETE WITH ANY ALESIS DISTRIBUTOR OR AUTHORIZED REPAIR SERVICE CENTER IN THE PROVISION OF REPAIR SERVICES OR TO BE OR MAKE REPAIRS AS AN AUTHORIZED SERVICE CENTER 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 Reg...

Page 4: ...s stoves heat registers radiators or other heat producing equipment 7 Ventilation When installing the product make sure that the product has adequate ventilation Improperly ventilating the product may cause overheating which may damage the product 8 Mounting The product should only be used with a rack which the manufacturer recommends The combination of the product and rack should be moved careful...

Page 5: ...r the separate control room output 2 track send and return lets you mix your audio to tape or other media and to add a tape deck or CD player to the mix Stereo USB input and output routes the main output and the 2 track return through the USB port in crystal clean 16 bit 44 1 kHz stereo digital audio Use the Multimix USB as a high quality soundcard for recording and playback with Windows and Macin...

Page 6: ...imum 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 RCA Outputs Tape Out Level 10dBV nominal 5dBV maximum ...

Page 7: ...PACKING DIAGRAM US EU UK AUS NZ ...

Page 8: ...Confidential Alesis Service Manual 8 31 0156 A ALESIS MultiMix 12 USB XU6 SCHEMATIC AND PCB FILES ...

Page 9: ...EW 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 C REMOVE THE 24 PCS SCREW FROM WHICH THE TOP PANEL Fig 2 ...

Page 10: ...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 US EU UK AUS NZ ...

Page 12: ...EXPLODE DIAGRAM US EU UK AUS NZ SEQUENCIAL NO OF EXPLODE DIAGRAM WILL BE MARKED ON REF COLUMM OF BOM LIST ...

Page 13: ...C1 P3 1 TXD P3 2 P3 3 P3 4 P3 5 WR RD XTAL2 XTAL1 VSS P1 0 P1 1 P1 2 P1 3 P1 4 NC2 NC3 NC4 P0 0 P0 1 P0 2 P0 3 P0 4 P0 5 P0 6 P0 7 P2 0 P2 1 P2 2 P2 3 P2 4 P2 5 P2 6 P2 7 PSEN ALE EA VCC M_IC2 AL3201 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DAC_OUT INT EXT XTAL1 XTAL2 P0 DATA P1 CLK P2 P3 WORDCLK BITCLK SYSCLK RESET GND 3V_BYPASS VCC ADC_IN M_TE1 CON6P 1 3 4 5 6 2 M_R15 100n M_R5 100n M_R14 47 M_R4 ...

Page 14: ...459 SW20 SW19 R381 R378 VR45 VR44 VR35 VR36 R336 R331 LED35 LED34 SW30 SW29 D18 D17 SW10 SW9 POWER R574 R575 R579 R581 R583 R578 R580 R582 C327 R310 R576 R587 R588 R589 C61 R91 1 3 HI MID LOW 2 1 BAL 3 1 2 3 1 3 2 1 2 1 1 3 C A C A 1 3 1 3 1 3 3 2 1 XU6 XU6IN1 SCH PP XU6 INPUT1 CIRCUIT DIAGRAM YH HORNG ELECTRONIC CO LTD A2 1 3 Wednesday May 12 2004 Title Size Document Number Rev Date Sheet of 3 2 ...

Page 15: ...ET2 BF513 S FET3 BF513 S FET1 BF513 S FET4 BF513 C5 0 01uF R590 1k R591 1k TE4 HEADER_6P 1 3 4 5 6 2 S R T TS RS J8 AUX_SEND_B R30 120 R31 120 C264 47 25V C375 47 25V R289 5K1 C162 100n C263 47 25V C394 47 25V C161 100n VR39 50KW VR39 50KW R147 56K R290 5K1 C160 100P R312 10K IC28A NJM4580E 2 3 4 1 R100 56K R313 5K1 R314 10K C163 100P IC28B NJM4580E 6 5 8 7 R315 5K1 R271 2K4 R293 2K4 Q20 BC857B R3...

Page 16: ...2 13 14 15 16 23 26 25 28 27 20 19 17 18 22 24 21 COPY C VL2 EMPH SFMT0 SFMT1 VD GND GND RST APMS TCBLD ILRCK ISCLK SDIN TCBL CEN VL TXP TXN ORIG VL4 VL3 AUDIO V U GND H S OMCK PC34 100n PTE12 CON3P20 1 2 3 PL1 BEAD PR8 390 C56 220pF R780 100 PR21 10K PR24 100 PC23 100n PC43 100n PR22 100 PR23 1M PC19 33pF PC13 33pF PC17 100n PM2 12 288MHz PM1 11 2896MHz PJ1 CON3P20 1 2 3 PTE10 CON3P20 1 2 3 PD12 ...

Page 17: ...0 GND 4 D 3 D 2 VBUS 1 USB1 AGND AGND AGND AGND AGND AGND AGND BUS CODEC PLL OSC DIG Vcom 3 2 1 8 4 IC3UA TL082 5 6 7 IC3UB TL082 R11U 100 R10U 100 R21U 1K5 R20U 1K5 R25U 3K9 R26U 12K C25U 1000P C24U 1000P C26U 4700P C23U 4700P C14U 10uF 16V C13U 10uF 16V VCC VCC AGND AGND Vcom R23U 12K R24U 3K9 Vcom 3 2 1 8 4 IC1UA TL082 5 6 7 IC1B TL082 R8U 100 R5U 100 R4U 27K R3U 27K R7U 3K9 R2U 18K C18U 220P C...

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Page 26: ...Confidential Alesis Service Manual 8 31 0156 A ALESIS MultiMix 12 USB XU6 BOM ...

Page 27: ...1 PT1310633 CAP SUPPORT 4 36 1 NP613ALE24 BEZEL LED DISPLAY XA SERIES MIXERS 1 33 1 BATO 220 GASKET 1 16 1 PT1310634 INDICATOR 10 9 1 RU1304402 RUBBER 1 14 1 MT1304430 SUBPANEL 1 13 1 MT1303208 PLATE METAL THERMAL TRANSFER 1 17 1 LAC52ALE01 STICKER COMPLIANCE 1 27 1 9 23 1024 RUBBER 4 29 1 WS114009605IN WASHER 25 21 1 TF48033201UL TRANFORMAT 1 1 CA040218001 6P CONNECTOR 1 41 1 RU1304404 RUBBER 1 3...

Page 28: ...L3201B 1 M_IC2 3 7 01 0033 CRYSTAL 12MHz 1 M_M1 3 9 40 0302 MICON PCB 1 3 9 61 0106 IC 87C518K 1 M_IC1 2 9 79 0320 DIGITAL OUT PCB ASS Y 1 3 CS221J5005COG CERAMIC 220P SMD 1 C561 3 MT1304439 FRAME PANEL 1 J30 3 RJ1081 RCA JACK 1 J30 3 RS10118J05 RESISTOR 100O SMD 1 R780 3 TE612000202 CONNECTOR 2P 1 PTE7 3 WR1317012B CONNECTOR 2P 170mm 1 PTE7 3 1 56 0104 CERAMIC 0 1UF SMD 1 C562 3 9 40 0320 DIGITAL...

Page 29: ...2 303 304 307 308 309 310 311 312 313 314 315 317 319 321 3 MC33350TTF MALTER CAP 0 033UF 50VJ 24 C323 325 327 329 335 337 339 341 343 344 345 346 347 356 357 361 362 363 365 366 368 370 371 373 3 MR249116 RESISTOR 2 49K 1 16W 8 R550 551 552 553 554 555 556 557 3 MR392116 RESISTOR 3 92K 1 16W 8 R550 551 552 553 554 555 556 557 3 MR680116 RESISTOR 6 8K 1 16W 8 R532 533 534 535 540 543 546 549 3 MR8...

Page 30: ... 382 384 385 387 474 475 476 477 478 479 480 481 482 483 484 485 3 RS47318J05 RESISTOR 47K SMD 15 R356 359 362 364 367 369 371 374 393 451 453 455 457 489 497 3 RS51118F05 RESISTOR 510O SMD 1 8 R70 75 80 85 110 111 112 113 3 RS51218J05 RESISTOR 5K1 SMD 35 3 315 397 400 403 406 411 419 427 435 445 45 0 452 454 456 458 460 462 464 467 500 523 52 7 3 RS51318J05 RESISTOR 51K SMD 2 R490 494 3 RS56018J0...

Page 31: ...8 IC1 13 18 22 24 28 31 35 37 45 56 3 2 72 0339 IC LM339 5 IC16 23 29 30 36 3 2 75 1101 IC AL1101 1 IC14 3 2 75 1201 IC AL1201 1 IC15 3 6 00 0008 ENCODER 1 VR21 3 9 40 0356 MAIN PCB 1 2 9 79 0357 POWER PCB ASS Y 1 3 CN0320001201 3P CONNECTOR 120mm 1 PTE12 3 CS103Z5005Y5V CERAMIC 0 01UF SMD 4 PC16 20 22 32 3 CS330J5005COG CERAMIC 33P SMD 2 PC13 19 3 CS332K5005X7R CERAMIC 3300P SMD 2 PC15 31 3 DIENL...

Page 32: ...1 CONNECTOR 8P 1 PTE8 3 TE812000311 CONNECTOR 3P 1 PTE12 3 TE8731002 SHORT TERMINAL 1 PJ1 3 TRBD239C TRANSISTOR BD239C 1 PIC5 3 UH11 2012 102T BEAD SMD 2 PL1 3 3 WR1318012W1 WIRE 180mm 1 PTE13 3 1 56 0104 CERAMIC 0 1UF SMD 9 PC14 17 21 23 28 34 38 39 43 3 2 62 1004 IC 74AHCU04 1 PU2 3 2 71 0084 IC TL084 1 PU3 3 2 75 1101 IC AL1101 1 PU4 3 7 01 0023 CRYSTAL 11 2896MHz 1 PM1 3 7 01 0024 CRYSTAL 12 2...

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