Alesis_Micron_Q02_Users_Manual电路图.pdf

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1、ALESIS MICRON (Q02) Service Manual P/N: 8-31-0147-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 privile

2、ged 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,

3、please contact Alesis and destroy all copies of this document. You may contact Alesis at or at . Copyright 2004 Alesis, LLC Confidential Alesis Service Manual 8-31-0147-A RadioFans.CN 收音机爱 好者资料库 Confidential Alesis Service Manual 8-31-0147-A Preface This document is intended to assist the service te

4、chnician in the operation, maintenance and repair of the Alesis device. Together with the User Reference Manual, this document provides a complete description of the functionality and serviceability of the Device. Any comments or suggestions you may have pertaining to the document are welcome and en

5、couraged. READ THIS! In addition to any purchase price that Alesis may charge as consideration for Alesis selling or otherwise transferring this service manual (“Manual”) to you, if you are not a service and repair facility (“Service Center”) authorized by Alesis in writing to be an authorized Servi

6、ce Center, Alesis sells or transfers the Manual to you on the following terms and conditions: Only Service Centers authorized by Alesis in writing are authorized to perform service and repairs covered by an Alesis warranty (if any), and transfer of the Manual to you does not authorize you to be an a

7、uthorized Service Center. Therefore, if you perform, or if the Manual is used to perform, any service or repairs on any Alesis product or part thereof, any and all warranties of Alesis as to that product and any service contract with Alesis for that product shall be voided and shall no longer apply

8、for such product, even if your services or repairs were done in accordance with the Manual. All service or repairs done by you or with reference 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

9、 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 assigns harmless in the event of any failure to so perfo

10、rm. 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

11、Alesis. Alesis has no obligation to provide to you any correction of, or supplement to, the Manual, or any new or superseding version thereof. Alesis shall have the right to refuse to sell or otherwise transfer repair parts or materials to you in its sole discretion. You shall not use, sell or other

12、wise transfer spare or replacement parts supplied by Alesis to you (i) to repair or be used in products manufactured for or by third parties or (ii) to any third parties for any purpose. You shall not make any warranties or guarantees with respect to the products of Alesis or the use thereof on beha

13、lf of Alesis or in your own name. The foregoing describes the entire understanding related to sale or transfer of the Manual to you, and no other terms shall apply unless in a writing signed by an authorized representative of Alesis. All Trademarks are property of their respective companies. RadioFa

14、ns.CN 收音机爱 好者资料库 Warnings TO REDUCE THE RISK OF ELECTRIC SHOCK OR FIRE, DO NOT EXPOSE THIS PRODUCT TO WATER OR MOISTURE. The arrowhead symbol on a lightning flash inside a triangle is intended to alert the user to the presence of un-insulated dangerous voltage within the enclosed product which may b

15、e of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point inside a triangle is intended to alert the user to the presence of important operating, maintenance and servicing instructions in the literature which accompanies the product. REPAIR BY ANY PERSON OR E

16、NTITY 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 SERVI

17、CE 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. Regarding the Power Supply Fuse CAUTION: The product und

18、er service may employ the use of a replaceable fuse. Danger of fire or electrocution if fuse is incorrectly replaced. Replace with only the same type or equivalent type recommended by the equipment manufacturer. Regarding the Internal Battery CAUTION: The product under service may employ the use of

19、a internal battery. Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturers instruction. Confidential Alesis Service Manual 8-31-0147-A RadioFans.CN 收音机爱 好者资料库 Conf

20、idential Alesis Service Manual 8-31-0147-A Safety Instructions 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 ope

21、rating 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

22、 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 products AC power supply cord should be unplugged from the AC outlet. 4. Foreign Objects and Liquids. Take ca

23、re 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

24、. 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

25、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 th

26、e 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

27、 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 d

28、oes not operate normally, or e. The enclosure of the product has been damaged. Specifications Sound Engine Sound Generation: Alesis proprietary DSP Analog Modeling Polyphonic Voices: 8, each with 3 oscillators, 2 multi-mode filters, 3 envelope generators, 2 LFOs, programmable effects send and modula

29、tion matrix. Program Memory: 512 Preset Programs, 32 Multi-timbral Setups, all user-rewritable Effects: 4 Drive Effects (1 each per Part) plus Master Effects (Shared) Audio Input Input Connectors: 2 Balanced 1/4” TRS jacks Maximum Input Level: +5.2dBu (1.41VRMS) = -0dBFS Input Impedance: 10k Audio O

30、utput Output Connectors: 4 Impedance-Balanced 1/4” TRS jacks, ” TRS Headphone Jack Maximum Output Level: +18dBu (6.17 VRMS) = -0dBFS Output Impedance: 1k Audio Performance Signal To Noise Ratio: 95 dB A-weighted, Ext In to Main or Aux Out THD+N: out”. Release the buttons. 2) Connect the AP generator

31、 output to the Q02 audio input left. 3) Set the AP generator output to produce a 2Vp, 1KHz sinewave and turn on the output. 4) Verify that there is a sound from the left side of the headphones 5) Connect the AP generator output to the Q02 audio input right and verify that there is a sound from the r

32、ight side of the headphones. AP Test 1) Unplug the headphones from the Q02 headphones jack. 2) Turn the Master Volume knob completely clockwise. 3) Connect the AP generator outputs A and B to the Q02 audio in left and right, respectively. 4) Connect the Q02 main output left and right to the AP analy

33、zer inputs A and B, respectively. 5) Run the AP tests (SNR, THD+N, and frequency response). 6) Hold down the phrase and latch buttons together. Verify that the second line of the LCD says “Synth - audio out”. Release the buttons. Automated Tests The system will provide a series of tests must be pass

34、ed. Before beginning, verify that the sustain pedal is plugged into the “sustain” input jack. PUSH THE ENCODER TO BEGIN AUTOMATED TESTS. Each test is described below. The title of each section should appear on the first line of the LCD. Push all buttons. 1) Verify that the first line of the LCD says

35、 “Push all buttons”. 2) There are 7 rectangular buttons to the left of the LCD. Push each one. Verify that the button lights red when it is pushed, and stays red for the remainder of the test. 3) There are 5 round buttons to the right of the LCD. Push each one. Verify that the button lights green wh

36、en it is pushed, and lights red when it is released. When a different round button is pushed, the light should turn off. There should never be more than one round button lit. 4) When any button is pressed down, verify that the name of that button is displayed on the LCD, and that the LCD indicates t

37、he button is pressed down with the text “button down.” 5) When any button is released, verify that the LCD indicates the button has been released with the text “button up.” 6) As each button is pressed, make sure that the silk screen on that button is not scratched or misaligned. Also verify that al

38、l the buttons have a consistent feel, and that they generate one “click” when pressed. 7) When all 12 buttons have been pushed, you will automatically go to the next test. Press all keys. 1) Verify that the first line of the LCD says “Press all keys”. 2) When a key pressed, verify that the LCD says

39、“Key # down”, where # is the key number. The leftmost key is number 0, and the rightmost key is number 36. 3) When a key is released, verify that the LCD says “Key # up”, where # is the same key number. 4) As each key is pressed, make sure that the key movement and feel is consistent with all the ot

40、her keys. Inspect the keys as well for scratches and dents. 5) When all 37 keys have been pressed, you will automatically go to the next test. Turn p wheel - 1) Verify that the first line of the LCD says “Turn p wheel -”. 2) Turn the pitch wheel completely to the right. Turn p wheel - 1) Verify that

41、 the first line of the LCD says “Turn p wheel 1) Verify that the first line of the LCD says “Slide m1 -”. 2) Slide the m1 slider completely to the right. Slide m1 - 1) Verify that the first line of the LCD says “Slide m1 1) Verify that the first line of the LCD says “Slide m2 -”. 2) Slide the m2 sli

42、der completely to the right. Slide m2 - 1) Verify that the first line of the LCD says “Slide m2 1) Verify that the first line of the LCD says “Turn knob x -”. 2) Turn knob x to the right until the number passes 1500. 3) Verify that the turning is smooth. If the number jumps around, the unit does not

43、 pass. 4) Also verify that there are no bumps or rough spots felt on the pot knob as it is turned. Turn knob x - 1) Verify that the first line of the LCD says “Turn knob x 1) Verify that the first line of the LCD says “Turn knob y -”. 2) Turn knob y to the right until the number passes 1500. 3) Veri

44、fy smoothness as described above. Turn knob y - 1) Verify that the first line of the LCD says “Turn knob y 1) Verify that the first line of the LCD says “Turn knob z -”. 2) Turn knob z to the right until the number passes 1500. 3) Verify smoothness as described above. Turn knob z - 1) Verify that th

45、e first line of the LCD says “Turn knob z 1) Verify that the first line of the LCD says “Turn enc -”. 2) Turn the encoder to the right until the number passes 200. Turn enc - 1) Verify that the first line of the LCD says “Turn enc -”. 2) Turn the encoder to the left until the number passes -200. Pus

46、h sus pedal. 1) Verify that the first line of the LCD says “Push sus pedal”. 2) Verify that the sustain pedal is plugged into the sustain jack, and push and release the sustain pedal. Push: MIDI loop. 1) Verify that the first line of the LCD says “Push: MIDI loop”. 2) Verify that the MIDI in jack is

47、 connected to the MIDI out jack with a MIDI cable. 3) Push the encoder to test the connection. Tests passed. 1) Verify that the first line of the LCD says “* Tests passed”. END OF QC TEST PROCEDURES Firmware Update To update firmware, power on the system while holding down the programs and setups buttons. Connect a PC to the MIDI in jack, and send a sysex file. Confidential Alesis Service Manual 8-31-0147-A ALESIS MICRON (Q02) SCHEMATIC AND PCB FILES Confidential Alesis Service Manual 8-31-0147-A ALESIS MICRON (Q02) ECN HISTORY