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Alesis DM Pro Service Manual

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ALESIS
DM Pro (D6)
Service Manual
P/N: 8-31-0110-B
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
8-31-110-B

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Summary of Contents for Alesis DM Pro

  • 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 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 8-31-110-B...
  • Page 5 9.) Press “STORE” to enter SOUND ROM test. 10.) If LCD read “Passed” press “CURRSOR ” to process the next test. Otherwise fail unit if LCD show “Failed”. 11.) Press “STORE” to enter SWITCHES test. Confidential Alesis Service Manual 8-31-0110-B...
  • Page 6 25) UNPLUG the HP at FP & connect it to D6 “AUX OUT 4 “ at rear. _ You should hear AUDIO. 26) UNPLUG the HP at FP & connect it to D6 “AUX OUT 3 “ at rear. _ You should hear AUDIO. Confidential Alesis Service Manual 8-31-0110-B...
  • Page 7 28) UNPLUG the HP at FP & connect it to D6 “AUX OUT 1“ at rear. _ You should hear AUDIO. *NOW UNPLUG ALL CABLES & POWER. If all above self-test passed. Then Go to TRIGGER TEST to complete the Final test. Cont…. Confidential Alesis Service Manual 8-31-0110-B...

  • Page 8: Trigger Test

    DM PRO (D6) Trigger Test Procedure (2) Software: V2.00 Trigger V2.00 DD: 12/28/99 REV: D I) UPLOAD D6 USER & TRIGGER PROGRAM : A) Press the “CURSOR” button while powering up the D6 unit. B) Press the “STORE” button. - Press “CURSER” button until you see “ Load USER from Factory? (STR)”...
  • Page 9 B) SETUP: 2) PLUG the ¼” cable one side to Trigger Fixture and the other side to “TRIGGER 1” all the way in at the Rear of unit. 3) Plug in the HEADPHONE to D6 Front panel headphone Jack. -Turn “VOLUME” pot CW all the way up. 4) PLUG the foot switch ¼”...

  • Page 10: Lcd Display

    12) Hit the drum pad and then grab the end of it immediately after hitting it. -You will hear a DRUM effect stop as soon as you grab the pad. If not, Fail unit. -LCD will pop up a circle surround “8” for about half a second when trigger fixture was hit.
  • Page 11 IV. AUX IN TEST: Equipment: 1. 2 pcs of RCA audio CABLE. 2. CD Player (audio source) 18) Connect one side of the RCA cable to CD Player & the other side to AUX IN (RCA) JACK of D6. 19) Play CD audio. You should hear music at your headphone. If not, FAIL UNIT.
  • Page 12 Quick Tips For DM-Pro (D6) Repairs When repairing a DM-Pro main PCB these next tips will come in handy. Check these before requesting a main PCB. Most complaints can be addressed by performing these next steps. COMPLAINT SUGGESTED SOLUTION 1. No audio, whiny noise. Check your rails at C146 C147, if no rails, you must perform ECN 933502 and check Q23...
  • Page 13 ALESIS DM PRO (D6) SCHEMATIC FILES Confidential Alesis Service Manual 8-31-0110-B...
  • Page 32 d6fp200c.sch-1 - Thu Aug 17 18:53:47 2000...
  • Page 39 ALESIS DM PRO (D6) Confidential Alesis Service Manual 8-31-0110-B...
  • Page 40 D6-UL 7-51-0000-A CARD WARRANTY DOMESTIC-ONLY - REV A D6-UL 7-51-1217 SHEET SERVICE-CENTER-CONTACTS 8.5 x 11" D6-UL 7-51-1219 SHEET "WELCOME TO ALESIS FAMILY" 5 x 8" D6-UL 7-53-0001 STICKER BUMPER ALESIS D6-UL 7-53-0018 STICKER QC W/ MFR DATE (UL APPROVED) D6-UL...
  • Page 41 R7 R10 R26-27 R38 R42 R46 R56 R59 R81 R84-85 R87-89 R177 9-79-1371 0-15-0105 RES 1M OHM 1/10W 5% 0805 R158 R162 R188 9-79-1371 0-15-0133 RES 13K OHM 1/10W 5% 0805 R3 R12-13 R21-22 R33 Confidential Alesis Service Manual 8-31-0110-B...
  • Page 42 C9 C14 C31 C35 C43 C47 9-79-1371 1-11-0225 CAP 2.2uF ELEC 50V 2x5x11mm C5 C16 C114 C181 C182 C183 C184 C185 C186 C187 C188 C189 C190 9-79-1371 1-21-0104 CAP 0.1uF MONO 20% 50V RADIAL C191 C192 C193 C194 C195 C196 Confidential Alesis Service Manual 8-31-0110-B...
  • Page 43 IC NJM4580E DUAL AUDIO OP-AMP SOP-8 U1 U5 IC LM339A ANALOG COMPARATOR W/EXTRA LOW OFFSET 9-79-1371 2-72-2339 SOP-14 U23 U25 U28 U31 U34 U37 U40 U43 9-79-1371 2-72-4051 IC CD4051 SINGLE 8-CHAN MUX SOIC-16 U27 U41 Confidential Alesis Service Manual 8-31-0110-B...
  • Page 44 FERRITE CHIP BEAD 200mA 1206 9-79-1371 9-03-1132 HEATSINK 9-79-1371 9-40-1371-D PCB MAIN D6 - REV D 9-79-1371 9-61-0007 IC SOFTWARE EPROM MAIN V2.00 C/S:C16D 12/27/99 D6 9-79-1371 9-61-0008 IC SOFTWARE EPROM TRIGGER V2.00 C/S:06E9 12/27/99 D6 Confidential Alesis Service Manual 8-31-0110-B...

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D6