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Alesis IO/2 Service Manual
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Alesis IO/2 Service Manual

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ALESIS
IO|2 (UB0)
Service Manual
P/N: 8-31-0137-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
8-31-0137-A

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Summary of Contents for Alesis IO/2

  • 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 8-31-0137-A...
  • Page 5 ALESIS IO|2 (UB0) SCHEMATIC FILES Confidential Alesis Service Manual 8-31-0137-A...
  • Page 6 MAIN PCB REV F Confidential Alesis Service Manual 8-31-0137-A...
  • Page 23 UB0MNF - Main PCB Rev F Last Revised: 3/17/2006 RevChange Document Suggested Performed SCH PCB CAM DATE DATE Description of change: Reason for change: TOP LEVEL CHANGES 3/13/2006 3/17/2006 Change all text from Rev E to F 3/13/2006 update all Part Types 3/13/2006 Review/Integrate all outstanding ECNs Note: ***A new solderpaste stencil IS NOT required***...
  • Page 24 MAIN PCB REV E Confidential Alesis Service Manual 8-31-0137-A...
  • Page 41 UB0MNE - Main PCB Rev E Last Revised: 3/13/2006 RevChange Document Suggested Performed SCH PCB CAM DATE DATE Description of change: Reason for change: TOP LEVEL CHANGES 12/2/2005 3/13/2006 Change all text from Rev D to E 12/2/2005 3/13/2006 update all Part Types 12/2/2005 Review/Integrate all outstanding ECNs Note: ***A new solderpaste stencil IS NOT required***...
  • Page 42 MAIN PCB REV D Confidential Alesis Service Manual 8-31-0137-A...
  • Page 59 UB0MND - Main PCB Rev D Last Revised: RevChange Document 12/1/2005 Suggested Performed SCH PCB CAM DATE DATE Description of change: Reason for change: TOP LEVEL CHANGES 10/26/2005 Change all text from Rev C to # 10/26/2005 update all Part Types 10/26/2005 Review/Integrate all outstanding ECNs 11/16/2005...
  • Page 60 MAIN PCB REV C Confidential Alesis Service Manual 8-31-0137-A...
  • Page 77 UB0MNC - Main PCB Rev C Last Revised: 10/26/2005 RevChange Document Suggested Performed SCH PCB CAM DATE DATE Description of change: Reason for change: TOP LEVEL CHANGES 10/12/2005 10/26/2005 Change all text from Rev B to C 10/12/2005 10/26/2005 update all Part Types 10/12/2005 Review/Integrate all outstanding ECNs Note: ***A new solderpaste stencil IS required***...
  • Page 78 UB0 Main PCB Rev.C Modifications Insert 100ohm resistor in series with each of the DC blocking caps for the CH1 and CH2 input (C25, C30, C31, and C35). Cut PCB traces (4 places) as indicated below:...
  • Page 79 Solder a 100ohm resistor onto PCB to bridge the cut (4 places):...

  • Page 80: Front Panel Pcb

    FRONT PANEL REV C Confidential Alesis Service Manual 8-31-0137-A...
  • Page 90 UB0FPA - Front Panel PCB Rev C Last Revised: RevChange Document 11/28/2005 Suggested Performed DATE DATE Description of change: Reason for change: SCH PCB CAM TOP LEVEL CHANGES 9/21/2005 Change revision to Rev C 9/21/2005 Update all Part Types 9/21/2005 Review/Integrate all outstanding ECNs 11/20/2005 11/28/2005...
  • Page 91 FRONT PANEL REV B Confidential Alesis Service Manual 8-31-0137-A...
  • Page 101 UB0FPB - Front Panel PCB Rev B Last Revised: RevChange Document 9/21/2005 Suggested Performed DATE DATE Description of change: Reason for change: SCH PCB CAM TOP LEVEL CHANGES 9/20/2005 9/21/2005 Change revision to Rev B 9/20/2005 Update all Part Types 9/20/2005 Review/Integrate all outstanding ECNs Note: ***A new solderpaste stencil IS NOT required***...
  • Page 102 ALESIS IO|2 (UB0) HISTORY Confidential Alesis Service Manual 8-31-0137-A...
  • Page 105 ALESIS IO|2 (UB0) Confidential Alesis Service Manual 8-31-0137-A...
  • Page 106 September 22, 2005 Note: Vendor is free to add/change/delete hardware (screws, nuts, etc.) in this BOM to optimize manufacturability. DESCRIPTION QTY REF UL CONFIGURATION 7-51-1219 SHEET WELCOME-TO-ALESIS-FAMILY 5 x 8" LITERATURE/PACKAGING 4-71-0015 CABLE USB 2 METERS A/B 7-22-0016 SOFTWARE CD UB0...
  • Page 107 0-16-2941 RES 2.94K OHM 1/10W 1% 0805 R125-126 0-16-3321 RES 3.32K OHM 1/10W 1% 0805 R30-31 R84 R108 R113 R117 R120 0-16-3402 RES 34.0K OHM 1/10W 1% 0805 R124 R127 0-16-3831 RES 3.83K OHM 1/10W 1% 0805 R133 R136 0-16-3921 RES 3.92K OHM 1/10W 1% 0805 R46 R62-63 R72-73 0-16-5361...
  • Page 108 0-09-0052 POT 5KC SINGLE VERT 15mm D-SHAFT P1-2 0-15-0100 RES 10 OHM 1/10W 5% 0805 R3 R5 0-16-1001 RES 1.00K OHM 1/10W 1% 0805 R7-8 0-16-1002 RES 10.0K OHM 1/10W 1% 0805 R2 R6 R17 R22-25 R27 R30 R34-35 0-16-1003 RES 100K OHM 1/10W 1% 0805 R18-21 R28-29 R32-33 0-16-1401...

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Ub0