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Confidential 

Alesis Service Manual 

8-31-0062-A 

Safety Suggestions 

 
Carefully read the applicable items of the operating instructions and these safety 
suggestions before using this product. Use extra care to follow the warnings 
written on the product itself and in the operating instructions. Keep the operating 
instructions and safety suggestions for reference in the future.   
 

1. Power 

Source. The product should only be connected to a power supply which is described 

either in the operating instructions or in markings on the product. 

 
2. Power 

Cord 

Protection. AC power supply cords should be placed such that no one is likely to 

step on the cords and such that nothing will be placed on or against them. 

 
3.  Periods of Non-use.  If the product is not used for any significant period of time, the product's 

AC power supply cord should be unplugged from the AC outlet. 

 
4.  Foreign Objects and Liquids.  Take care not to allow liquids to spill or objects to fall into any 

openings of the product. 

 
5.  Water or Moisture.  The product should not be used near any water or in moisture. 
 
6. Heat.  Do not place the product near heat sources such as 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 carefully.  Quick 
movements, excessive force or uneven surfaces may overturn the combination which may 
damage the product and rack combination. 

 
9. Cleaning.  The product should only be cleaned as the manufacturer recommends. 
 
10. Service.  The user should only attempt the limited service or upkeep specifically described in 

the operating instructions for the user.  For any other service required, the product should be 
taken to an authorized service center as described in the operating instructions. 

 
11.  Damage to the Product.  Qualified service personnel should service the unit in certain 

situations including without limitation when: 
a.  Liquid has spilled or objects have fallen into the product, 
b.  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.

Summary of Contents for MultiMix12R

Page 1: ...cipient 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 support Alesis com Copyright 2002 2003 2004 Alesis LLC ATTENTION THIS DOCUMENT CONTAINS SENSITIVE PROPRIETARY INFORMATION ALL RECIPIENTS MUST HAVE A CURRENT...

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: ... PERSON OR ENTITY OTHER THAN AN AUTHORIZED ALESIS SERVICE CENTER WILL VOID THE ALESIS WARRANTY PROVISION OF THIS MANUAL DOES NOT AUTHORIZE THE RECIPIENT TO 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 S...

Page 4: ... 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 carefull...

Page 5: ...Confidential Alesis Service Manual 8 31 0062 A ALESIS Studio12R X3 MultiMix12R XA3 SCHEMATIC AND PCB FILES ...

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Page 15: ...X3RPB05A SCH 2 Wed Mar 17 15 44 39 2004 ...

Page 16: ...X3RPB05A SCH 1 Wed Mar 17 15 39 55 2004 ...

Page 17: ...X3PSC12A SCH 2 Wed Mar 17 15 15 24 2004 ...

Page 18: ...X3PSC12A SCH 1 Wed Mar 17 15 14 38 2004 ...

Page 19: ...Confidential Alesis Service Manual 8 31 0062 A ALESIS Studio12R X3 MultiMix12R XA3 ECN HISTORY ...

Page 20: ...Confidential Alesis Service Manual 8 31 0062 A ALESIS Studio12R X3 MultiMix12R XA3 BOM ...

Page 21: ...KER SPST 250VAC 6A 9 5x21mm 1 Yes Yes 6 02 0036 SWITCH ROCKER SPST 250VAC 6A 15x21mm 1 Yes Yes 7 13 0014 TUBING HEATSHRINK 5mm DIA x 15mm 8 Yes Yes 7 30 0008 TORROID TRANSFORMER 115 230V IN 36V CT 48V OUT SI METAL SHLD X3 1 Yes Yes 7 50 0071 STICKER BARCODE S N X3 1 Yes Yes 1 GIFT BOX 1 REAR OF UNIT 1 STRIP ON MAIN PCB START X30000500 7 51 1195 MANUAL REFERENCE X3 1 Yes Yes 7 53 0090 LABEL SYMBOL ...

Page 22: ...15V TO 220 1 Yes Yes POWER U4 4 15 0016 HEADER SIL 8 PIN 3 96mm MALE EXT LOCKING 1 Yes Yes POWER J5 4 51 0400 WIRE JUMPER 22AWG 0 4 5 Yes Yes JW1 JW5 5 00 0006 SCREW 4 40 x 1 2 PPZ 2 Yes Yes 5 02 4400 NUT KEP 4 40 ZINC 2 Yes Yes 5 04 0001 INSULATOR MICA TO220 2 Yes Yes POWER 5 04 0002 WASHER SHOULDER 4 PLASTIC BLACK 4 Yes Yes 5 05 1001 CLIP FUSE HOLDER 5 x 12mm 2 Yes Yes 5 10 1004 TIE WRAP 4 LOCKI...

Page 23: ...4 1 03 0474 CAP 0 47uF TANT A SMD 10 35V 2 Yes Yes C1 C7 1 55 0121 CAP 120pF NPO 0805 2 Yes Yes CHANNEL C3 C6 1 55 0470 CAP 47pF NPO 0805 50V 2 Yes Yes CHANNEL C4 5 2 71 4560 IC NJM4560E DUAL OP AMP SOP 8 3 Yes Yes U2 7 2 72 1339 IC NJM339E QUAD COMP SMD SOP 14 1 Yes Yes CHANNEL U1 4 28 0001 PIN HYBRID 1 PIN FROM ROLL 24 Yes Yes J1 9 40 1267 A PCB CHANNEL HYBRID X3 REV A 1 Yes Yes CHANNEL PCB 9 79...

Page 24: ... 1 10W 5 0805 1 Yes Yes METER R8 0 15 0912 RES 9 1K OHM 1 10W 5 0805 1 Yes Yes METER R11 0 16 1002 RES 10 0K OHM 1 10W 1 0805 4 Yes Yes METER R17 R20 22 1 09 1100 CAP 10uF ELEC 20 25V 1 5x4x7mm 2 Yes Yes METER C5 6 1 57 0104 CAP 0 1uF Z5U 0805 4 Yes Yes METER C1 C3 4 C7 2 51 4403 TRANS PNP 2N4403 40V 800mA SOT 23 3 Yes Yes METER Q1 3 2 71 4560 IC NJM4560E DUAL OP AMP SOP 8 1 Yes Yes U7 2 72 2901 I...

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